United States v. Turns ( 2004 )


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    Pursuant to Sixth Circuit Rule 206                          2    United States v.              Nos. 00-3617/3618/3741
    ELECTRONIC CITATION: 
    2004 FED App. 0136P (6th Cir.)
                          Beverly, et al.
    File Name: 04a0136p.06
    _________________
    UNITED STATES COURT OF APPEALS                                                                      COUNSEL
    FOR THE SIXTH CIRCUIT                                    ARGUED: Richard A. Cline, MITCHELL, ALLEN,
    _________________                                      CATALANO & BODA, Columbus, Ohio, Kevin P. Durkin,
    TAYLOR & DURKIN, Columbus, Ohio, Gary W. Deeds,
    UNITED STATES OF AMERICA , X                                               Columbus, Ohio, for Appellants. J. Michael Marous,
    Plaintiff-Appellee, -                                          ASSISTANT UNITED STATES ATTORNEY, Columbus,
    -                                        Ohio, for Appellee. ON BRIEF: Richard A. Cline,
    -   Nos. 00-3617/                        MITCHELL, ALLEN, CATALANO & BODA, Columbus,
    v.                     -   00-3618/3741                         Ohio, Kevin P. Durkin, TAYLOR & DURKIN, Columbus,
    >                                       Ohio, Gary W. Deeds, Columbus, Ohio, for Appellants.
    ,
    NOAH BEVERLY (00-3617);           -                                        J. Michael Marous, David J. Bosley, ASSISTANT UNITED
    JOHNNY P. CROCKETT                -                                        STATES ATTORNEY, Columbus, Ohio, for Appellee.
    (00-3618); DOUGLA S A.            -                                                           _________________
    TURNS (00-3741),                  -
    Defendants-Appellants. -                                                                   OPINION
    -                                                           _________________
    N
    Appeal from the United States District Court                            BOGGS, Chief Judge. Noah Beverly, Douglas A. Turns,
    for the Southern District of Ohio at Columbus                         and Johnny P. Crockett were indicted for multiple crimes by
    No. 99-00104—James L. Graham, Chief District Judge.                       a federal grand jury, charging them with conspiracy to
    commit armed bank robbery, in violation of 
    18 U.S.C. § 371
    ,
    Argued: February 4, 2003                                committing various armed bank robberies, in violation of 
    18 U.S.C. § 2113
    (a) and (d), and possessing firearms during and
    Decided and Filed: May 12, 2004                              in relation to these crimes of violence, in violation of 
    18 U.S.C. § 924
    (c). After two evidentiary hearings, a jury trial
    Before: BOGGS, Chief Judge; NORRIS, Circuit Judge;                        commenced in which all three defendants were tried together.
    and BELL, Chief District Judge.*                                On February 8, 2000, the jury returned a verdict of guilty on
    all counts against Beverly and Turns. Crockett was found
    guilty of conspiracy to commit armed bank robbery, of
    robbing Security National Bank, and the Park National Bank
    in Hebron, Ohio, and of using a firearm in commission of
    those crimes, but was found not guilty of robbing two other
    *                                                                       banks with another defendant not involved in this appeal.
    The Honorable Robert H. Bell, Chief United States District Judge for
    the Western District of Michigan, sitting by designation.
    1
    Nos. 00-3617/3618/3741                   United States v.     3    4    United States v.               Nos. 00-3617/3618/3741
    Beverly, et al.               Beverly, et al.
    All three defendants have appealed this verdict. Beverly         trial: Anthony Lavelle Rogers and his half-brother Melvin
    appeals the introduction of mitochondrial DNA (mtDNA)              Warren, Jr.. In each of the seven robberies, either Rogers,
    evidence against him at trial, arguing that the evidence was       Warren, or both, participated in the event and so testified to
    not scientifically reliable and, even if reliable, its probative   what occurred. Neither Rogers nor Warren are defendants in
    value was outweighed by its prejudicial effect. In addition,       this case because they both entered into a plea agreement as
    Beverly joins the other defendants in bringing a Batson            part of a guilty plea to armed bank robbery.
    challenge, arguing that the district court committed clear error
    when it granted the government’s peremptory challenge
    against an African-American who could have been seated on
    the jury panel. Turns appeals the district court’s decision to                  Delaware County Bank and Trust
    join his trial with the other two defendants, and further argues
    that the district court abused its discretion in denying his          According to Rogers’s testimony at trial, on September 26,
    Rule 14 motion to sever his trial. Turns also contends that the    1994, Rogers and Turns stole a Chevrolet Blazer from a
    district court abused its discretion in limiting his examination   trucking company and robbed the Delaware County Bank and
    of a government witness, that the district court erred in its      Trust in Ashley, Ohio on the following day. Turns waited
    denial of his motion for acquittal, and that his sentence of       outside, feigning mechanical problems, while Rogers, having
    seventy-one and one half years, largely mandated by the            borrowed Turns’s gun, went inside and robbed the bank.
    requirement of consecutive sentencing under 18 U.S.C.              Rogers carried a silver pistol provided by Turns. After the
    § 924(c)(1)(D)(ii), is cruel and unusual punishment in             robbery, the two drove to Columbus, Ohio where Turns’s
    violation of the Eighth Amendment. Crockett appeals his            sister, Starla Turns, had a house. Rogers claimed he gave
    conviction on the basis of prosecutorial misconduct and            Turns $5,000 of the more than $70,000 he took from the
    argues that the district court erred in its denial of his motion   vault.
    for acquittal. In addition, Crockett contends that the district
    court abused its discretion in failing to excuse a potential          Rogers was dating Starla and he was planning on leaving
    juror for cause, in admitting testimony regarding his wife’s       for Disney World with her the next day, so that night Rogers
    pretrial identification of him in a bank surveillance photo, in    rented a hotel room near the Columbus airport. When Rogers
    admitting into evidence his failure to file income tax returns,    realized that it would unwise to attempt to take the gun on the
    and in limiting his examination of a government witness’s          airplane, he spoke with Turns about what he should do with
    probation officer. For the reasons set forth below, we affirm      it. Turns apparently suggested that Rogers leave it
    the defendants’ convictions.                                       underneath the bushes near the hotel, where Turns could later
    recover it. Turns has a different version. According to the
    testimony of FBI Agent Harry Trombitas, Turns told him that
    he, Turns, had found the gun in his car after having lent the
    I                                   vehicle to Rogers. Turns then informed Agent Trombitas
    about the weapon, and stashed it under some bushes by this
    This case is about a series of bank robberies that occurred     same hotel while waiting for the FBI to come and pick it up.
    in Ohio between September 1994 and November 1995. Much             In Florida, while visiting Disney World, Rogers and Starla
    of what happened was described by two men who testified at
    Nos. 00-3617/3618/3741                 United States v.     5    6    United States v.               Nos. 00-3617/3618/3741
    Beverly, et al.               Beverly, et al.
    used various forms of false identification, which were           directed by Turns, drove to Turns’s brother’s house, where
    allegedly provided to them by Turns.                             the three counted their take and divided it into thirds.
    Within ten days of the robbery, Lisa Dennis, Turns’s              Several weeks after the robbery, Warren and Rogers were
    girlfriend, made two round-number cash deposits to her bank      stopped by the police and Rogers used Turns’s driver’s
    account. The first deposit, made two days after the robbery,     license as identification. Though Rogers was released, a gun
    was for $500, and a week later, a second deposit of $600 was     was recovered from the car and Warren was arrested. The
    made. According to testimony presented at trial, neither         ownership of the gun was traced back to Turns, who had
    Turns nor his girlfriend had a source of income that would       purchased the weapon on September 9, 1993. This gun was
    explain these deposits. Turns’s entire income during this        allegedly provided to Rogers by Turns prior to the Park
    period was apparently derived from unemployment benefits         National Bank robbery.
    and his girlfriend, Dennis, was only receiving general
    assistance and funds from Aid to Dependant Children.               Eight months after the December 30, 1994 robbery, Turns
    stated to the FBI that he had been at the aforementioned
    Eleven months later, Turns provided details of this robbery   shopping center with the Meijer store that day with his
    to the FBI, but denied his own involvement. Turns placed the     brother and had happened to see Warren and Rogers there.
    amount stolen as between $70,000 and $80,000. The actual         Turns stated that Warren and Rogers told him details about
    amount stolen was $72,500. Turns implicated Rogers,              the robbery later in the day, including the fact that they had
    describing his disguise and noting that he had seen Rogers in    taken approximately $35,000. The actual amount stolen was
    a white Chevrolet Blazer with Kentucky license plates.           $31,377.
    Park National Bank in Kirkersville, Ohio                                    National City Bank
    In December 1994, Rogers, his half-brother Melvin               Another bank robbery occurred five months later, on
    Warren, and Turns drove Warren’s burgundy Cadillac to a          May 12, 1995, involving Warren, Beverly, and a third man
    Meijer shopping center in Columbus, Ohio, where Rogers           named Colby. Warren testified that while the three of them
    stole a car. The theft was recorded by surveillance cameras.     were drinking at Beverly’s house they decided to rob a bank.
    Turns, Rogers, and Warren drove to Kirkersville, Ohio.           Warren, Beverly, and Colby parked at a nearby auto-parts
    Rogers and Warren then took the stolen car and drove to the      store and walked into the National City Bank on Lockbourne
    bank, while Turns waited with Warren’s Cadillac at a nearby      Road in Columbus. Once in the bank, they began shouting
    freeway on-ramp. Again, Turns feigned mechanical problems        for everyone to put their hands up. Beverly carried a
    while Rogers and Warren robbed the Park National Bank,           revolver. The robbery netted $3,428. It was filmed by bank
    with Rogers using a gun he had gotten from Turns. Warren         surveillance cameras. Warren identified Beverly as one of the
    used a gun obtained from Beverly. After robbing the bank,        robbers in the surveillance photographs shown at trial.
    Rogers and Warren drove the stolen car to the freeway on-
    ramp where they shifted into the Cadillac with Turns. Warren,
    Nos. 00-3617/3618/3741                   United States v.      7    8    United States v.               Nos. 00-3617/3618/3741
    Beverly, et al.                Beverly, et al.
    Security National Bank                           robbery investigation, FBI Agent Trombitas interviewed
    Crockett’s wife, who identified her husband in the
    On May 18, 1995, Warren, Rogers, Beverly, and Crockett           surveillance photo.
    robbed the Security National Bank in Springfield, Ohio. The
    four met before the robbery at Beverly’s apartment, where
    they prepared disguises, including masks and bandannas.
    They then drove together to Springfield in Warren’s tan                                 First National Bank
    Lincoln Town Car. Once in Springfield, the four drove to a
    hospital, where Rogers stole a car to use as a getaway vehicle         On July 28, 1995, Rogers, Warren and Turns drove to
    in the robbery. They found an alley behind some buildings           Zanesville in Turns’s BMW. Once in Zanesville, the three
    across the street from the bank, where they parked the              drove to a grocery store where Rogers stole a Buick to use as
    Lincoln. Rogers, Warren, Beverly, and Crockett entered the          a get-away vehicle. Rogers and Warren took the stolen car to
    bank and Crockett, wearing a pair of pantyhose over his head,       the bank, while Turns drove to a nearby school, their pre-
    jumped over the teller’s counter and ordered people to the          arranged meeting place, and waited. Rogers and Warren
    floor. After robbing the bank, the four used the stolen car to      entered the bank, both armed. After getting the money, they
    get to the alley where the tan Lincoln was parked. They all         returned to Turns’s car and drove back to Columbus with
    left their disguises in the stolen car, which was later recovered   $41,989. The get-away car was recovered by the police near
    by the police. The four escaped with $10,538.47.                    a school. As it turns out, that same car had been reported
    stolen from the grocery store where the three had allegedly
    During the robbery, bank surveillance cameras were                stopped. In addition, a local resident spotted the BMW near
    working and took several photographs. Both Warren and               the school during the relevant time period. She identified the
    Rogers were able to identify each other, as well as Beverly         make and model, which matched a car that Turns had
    and Crockett, in the photos. The government contends that           purchased on May 26, 1995 in Franklin County, Ohio for
    Beverly’s pose, disguise, choice of weapon, and use of his left     $5,450.
    hand is almost identical in the May 18 and the May 12
    robbery photos, and that Beverly’s revolver, which appears in         On the day before the robbery, the balance of the bank
    the pictures, had the same characteristics as the gun recovered     accounts of Lisa Dennis, Turns’s girlfriend, totaled $24.34.
    after the November 22, 1995 robbery of the Park National            However, her account later showed a deposit made three days
    Bank in Hebron, Ohio. (See page 9, infra). The photographs          after the First National Bank robbery of exactly $1,000. Two
    also show a man, identified as Beverly, wearing a “Columbia”        days after the First National Bank robbery, Turns and Dennis
    hat with holes cut in it as a mask. This hat was later              met with a real-estate agent and put a $5,000 down payment
    recovered from the abandoned stolen car. It was a hair from         on a house. On August 2, 1995, Turns and Rogers purchased
    this hat that was sent to the lab for the mitochondrial DNA         a Porsche in Turns’s name with $5,847.23 in cash. Neither
    test that was ultimately admitted into evidence at trial.           Turns nor Dennis filed tax returns in 1994 or 1995.
    On July 24, 1995, two months after this robbery, Crockett           In the summer of 1995, Turns and his brother went to a gun
    purchased a 1984 Cadillac for $2,500. Yet, Crockett did not         show with Rogers. They purchased several weapons there.
    report any income for the year 1995. As part of the bank
    Nos. 00-3617/3618/3741                   United States v.      9    10   United States v.                Nos. 00-3617/3618/3741
    Beverly, et al.                Beverly, et al.
    Rogers testified to the fact it was their collective intention to   Bank. While Crockett was in the car waiting with the door
    use these weapons in future robberies.                              open for Warren to come out of the bank, a car pulled into the
    bank parking lot. Crockett panicked and pulled away, leaving
    Warren without a means of escape. When Warren emerged
    from the bank and realized that Crockett had left, he stole a
    Huntington National Bank                           Cadillac.
    Only six days after robbing the First National Bank, on             The chief of police saw the Cadillac pulling away from the
    August 3, 1995, Rogers, Turns, and Warren robbed the                bank and left in pursuit, but he ended up losing Warren in the
    Huntington National Bank in Marysville, Ohio. Turns drove           car chase. Eventually, the stolen Cadillac was recovered.
    them to Marysville in his BMW. Contrary to their usual              Inside the car, the police found some of the money stolen
    practice, they did not steal a car to use as a get-away vehicle,    from the bank and a .22-caliber revolver. The revolver turned
    but instead planned to steal a get-away car at the bank. Once       out to be the same type of gun used by Beverly in the May 12
    there, Turns dropped the other two off in an alley near the         and May 18 robberies. The police later recovered a .38-
    bank and went to a pre-arranged place where they were to            caliber bullet from the gun fired by Crockett at the tellers in
    meet after the robbery. Rogers and Warren robbed the bank,          the bank.
    stole a vehicle, and met Turns at the pre-arranged spot. They
    abandoned the stolen vehicle and drove back to Columbus               Rogers and Warren were taken into custody by the FBI in
    with their take of $79,500.                                         August and December of 1995, respectively, partially as a
    result of information given to FBI Agent Trombitas by Turns.
    After the Huntington National Bank robbery there were             Rogers and Warren eventually cooperated with the FBI, and
    more round-number deposits made to Lisa Dennis’s account.           ultimately Turns, Beverly, and Crockett were indicted on
    Again, Turns described the robbery to the FBI in detail,            July 20, 1999 and charged with conspiracy to commit armed
    without mentioning his involvement.                                 bank robbery, committing various armed bank robberies, and
    for the possession of firearms during and in relation to these
    crimes of violence.
    Park National Bank in Hebron, Ohio
    On November 22, 1995, in Hebron, Ohio, Crockett and                                             II
    Warren robbed the Park National Bank. Crockett and Warren
    both had guns when they entered the bank and both were                The three defendants raise many issues, which we will
    wearing disguises. Warren identified both himself and               consider in the following order. All three defendants join in
    Crockett in the bank surveillance video. After finding dye          the Batson challenge, so we will deal with it first in Part III.
    packs in some of the money they had taken, Crockett began           We then turn to the novel issue of Beverly’s challenge to the
    throwing the dye packs at the bank employees, who were              admissibility of mitochondrial DNA evidence in Part IV.
    lying on the floor. Crockett also fired a shot near the tellers.    Turns and Crockett each appeal the denial of their separate
    Crockett and Warren stole $30,577 from the Park National            motions for acquittal, and these issues are dealt with in
    Nos. 00-3617/3618/3741                   United States v.    11    12    United States v.                Nos. 00-3617/3618/3741
    Beverly, et al.                Beverly, et al.
    Part V. Turns raises three issues peculiar to his trial and          In reviewing the government’s race-neutral explanation, we
    sentence, which we deal with in Part VI. Finally, Crockett         need not find that the reason given is persuasive, or even
    raises a number of evidentiary issues and a claim of               plausible. Ibid. However, the reason cannot be inherently
    prosecutorial misconduct, which we address in Part VII.            discriminatory. Ibid. Furthermore, the district court has the
    responsibility to assess the prosecutor’s credibility under all
    of the pertinent circumstances, including the final make-up of
    the jury. We review that determination of fact for clear error.
    III                                  United States v. Bartholomew, 
    310 F.3d 912
    , 919 (6th Cir.
    2002). In this case, the prosecutor gave a plausible and race-
    Batson Challenge                             neutral explanation for exercising a peremptory challenge
    against Mrs. McKeever, which the district court accepted.
    Beverly, Crockett, and Turns claim that the prosecutor           There was no evidence of discriminatory intent inherent in the
    exercised a peremptory challenge against a potential juror in      government’s proffered explanation, and a peremptory
    a racially discriminatory manner, in violation of the Equal        challenge is not unconstitutional solely because it has a
    Protection Clause. See Batson v. Kentucky, 
    476 U.S. 79
                 racially disproportionate impact. Hernandez v. New York,
    (1986) (prohibiting the exercise of race-based peremptory          
    500 U.S. 352
    , 359-60 (1991). Under these circumstances, the
    challenges). In this case, the prosecutor exercised a              district court did not commit clear error in overruling the
    peremptory challenge to exclude a black woman from the jury        Batson challenge.
    venire: Mrs. McKeever. Crockett objected to this challenge,
    noting that without Mrs. McKeever, there would not be any
    African-Americans on the jury. The prosecutor stated that he
    was using a peremptory challenge to remove Mrs. McKeever                                          IV
    because she had a brother who had spent time in prison and
    also had a nephew in jail with whom she still had contact. The             Admissibility of Mitochondrial DNA Testing
    district court found that the Government had articulated a
    legitimate nondiscriminatory reason for the challenge and            Beverly, against whom mitochondrial deoxyribonucleic
    permitted Mrs. McKeever’s removal.                                 acid (mtDNA) testing was used in this trial, argues that the
    district court erred in admitting expert testimony concerning
    A Batson claim is analyzed in three steps. First, the            mtDNA evidence. Specifically, Beverly argues that mtDNA
    defendant must make a prima facie showing that the                 testing is not scientifically reliable because the laboratory that
    prosecutor removed a potential juror for a discriminatory          did the testing in this case was not certified by an external
    reason. If the defendant makes this showing, the second step       agency, the procedures used by the laboratory “sometimes
    requires the prosecutor to articulate a nondiscriminatory          yielded results that were contaminated,” and the particular
    reason for the removal. Assuming that the prosecutor does          tests done in this case were contaminated. In addition,
    so, the third step requires the trial court to determine whether   Beverly argues that even if the mtDNA evidence is
    the opponent of the peremptory strike has proven purposeful        determined to be sufficiently reliable, its probative value is
    discrimination. See, e.g., United States v. Lucas, 357 F.3d        substantially outweighed by its prejudicial effect. In this part
    599, 609 (6th Cir. 2004).                                          of his argument, Beverly focuses on the statistical analysis
    Nos. 00-3617/3618/3741                    United States v.     13    14   United States v.               Nos. 00-3617/3618/3741
    Beverly, et al.                Beverly, et al.
    presented, which he claims to have artificially enhanced the         and maintenance of standards and controls; and 5) whether
    probative value of the mtDNA evidence. According to                  the technique or theory has been generally accepted in the
    Beverly, Dr. Melton, the government’s expert, should only            scientific community. Daubert, 509 U.S. at 592-95;
    have been allowed to testify that Beverly could not be               Hardyman v. Norfolk & W. Ry., 
    243 F.3d 255
    , 260 (6th Cir.
    excluded as the source of the sample in question.                    2001). If the evidence is deemed to be reliable and relevant,
    the judge must then determine if the probative value of the
    We review the district court’s decision to admit expert            evidence is outweighed by its prejudicial effect. Daubert, 509
    testimony for an abuse of discretion. Kumho Tire Co. v.              U.S. at 595.
    Carmichael, 526 U.S.137,152 (1999); First Tenn. Bank Nat.
    Ass’n v. Barreto, 
    268 F.3d 319
    , 331 (6th Cir. 2001).                 1. Mitochondrial DNA Testing in General
    Federal Rule of Evidence 702 sets forth the requirements              Before discussing the particular circumstances of this case,
    for the admissibility of expert testimony as follows:                it may be helpful to provide some general background
    concerning mtDNA analysis. Generally speaking, every cell
    If scientific, technical, or other specialized knowledge           contains two types of DNA: nuclear DNA, which is found in
    will assist the trier of fact to understand the evidence or        the nucleus of the cell, and mitochondrial DNA, which is
    to determine a fact in issue, a witness qualified as an            found outside of the nucleus in the mitochondrion. The use
    expert by knowledge, skill, experience, training, or               of nuclear DNA analysis as a forensic tool has been found to
    education, may testify thereto in the form of an opinion           be scientifically reliable by the scientific community for more
    or otherwise, if (1) the testimony is based upon sufficient        than a decade. The use of mtDNA analysis is also on the rise,
    facts or data, (2) the testimony is the product of reliable        and it has been used extensively for some time in FBI labs, as
    principles and methods, and (3) the witness has applied            well as state and private crime labs. See, e.g., Micah A.
    the principles and methods reliably to the facts of the            Luftig & Stephen Richey, Symposium: Serenity Now or
    case.                                                              Insanity Later?: The Impact of Post-Conviction DNA Testing
    on the Criminal Justice System: Panel One: The Power of
    The wording of the rule reflects the now-standard inquiry set        DNA, 
    35 New Eng. L. Rev. 609
    , 611 (2001). This technique,
    out in Daubert v. Merrell Dow Pharmaceuticals, Inc., 509             which generally looks at the differences between people’s
    U.S. 579 (1993), which is the basis on which the district court      mitochondrial DNA, has some advantages over nuclear DNA
    analyzed the expert testimony given in this case. See Nelson         analysis in certain situations. For example, while any given
    v. Tenn. Gas Pipeline Co., 
    243 F.3d 244
    , 250 n.4 (6th Cir.),         cell contains only one nucleus, there are a vast number of
    cert. denied, 
    534 U.S. 822
     (2001). Therefore, we review this         mitochondria. As a result, there is a significantly greater
    case under Daubert, which set forth a non-exclusive checklist        amount of mtDNA in a cell from which a sample can be
    of factors for trial courts to use in assessing the reliability of   extracted by a lab technician, as compared to nuclear DNA.
    scientific expert testimony. These include 1) whether the            Thus, this technique is very useful for minute samples or
    expert’s scientific technique or theory can be, or has been,         ancient and degraded samples. 
    Ibid.
     In addition,
    tested; 2) whether the technique or theory has been subject to       mitochondrial DNA can be obtained from some sources that
    peer review and publication; 3) the known or potential rate of       nuclear DNA cannot. For example, mtDNA can be found in
    error of the technique or theory when applied; 4) the existence      shafts of hair, which do not have a nucleus, but do have
    Nos. 00-3617/3618/3741                   United States v.     15    16    United States v.               Nos. 00-3617/3618/3741
    Beverly, et al.                 Beverly, et al.
    plenty of mitochondria. Nuclear DNA can only be retrieved           more people who will have the same mtDNA pattern, and
    from the living root of the hair where the nucleus resides.         vice-versa. However the figures presented to the jury were
    United States v. Coleman, 
    202 F. Supp. 2d 962
    , 965 (E.D.            from a database of actual DNA patterns collected by forensic
    Mo. 2002) (accepting expert testimony by Dr. Melton, the            scientists. The mechanics of the analysis involves a process
    expert in this case, and admitting evidence based on mtDNA          similar to that used with nuclear DNA. Coleman, 202 F.
    testing).                                                           Supp.2d at 969.
    On the other hand, mtDNA is not as precise an identifier as         This court has not until now had the opportunity to rule on
    nuclear DNA. In the case of nuclear DNA, half is inherited          the admissibility of mtDNA testing. However, mtDNA
    from the mother and half from the father, and each individual,      testing has been admitted into evidence by several state courts
    with the exception of identical twins, almost certainly has a       and has been upheld on review. See, e.g., State v.
    unique profile. MtDNA, by contrast, is inherited only from          Underwood, 
    518 S.E.2d 231
     (N.C. Ct. App. 1999); State v.
    the mother and thus all maternal relatives will share the same      Scott, 
    33 S.W.3d 746
     (Tenn. 2000); State v. Council, 515
    mtDNA profile, unless a mutation has occurred. 
    Ibid.
                    S.E.2d 508 (S.C. 1999); People v. Klinger, 
    713 N.Y.S. 2d 823
    Because it is not possible to achieve the extremely high level      (N.Y. Crim. Ct. 2000); Williams v. Maryland, 
    679 A.2d 1106
    of certainty of identity provided by nuclear DNA, mtDNA             (Md. 1996).
    typing has been said to be a test of exclusion, rather than one
    of identification. 
    Id. at 966
    .                                      2. Mitochondrial DNA in this Case
    The entire mtDNA sequence, about sixteen thousand base              The district court in this case held a very extensive hearing
    pairs, is considerably shorter than nuclear DNA, which has          in order to determine the admissibility of mtDNA evidence at
    approximately three billion pairs. Within the mtDNA, two            trial. The court determined that the techniques had been
    noncoding regions are targeted – Hypervariable-1 (HV1) and          established and accepted by the scientific community,
    Hypervariable-2 (HV2). Each of these regions is about 300           accepted by the courts, and had been subject to peer review.
    letters in code length and is a region that has a mutation rate     Beverly now argues that the district court abused its
    five to ten times greater than that of nuclear DNA. Usually         discretion on the basis of three objections.
    there is a one to two percent variance of mtDNA sequence
    between unrelated individuals. Luftig & Richey, supra, at             Beverly argues that Dr. Melton’s laboratory, which had
    612. It has been estimated that mutation within the mtDNA           analyzed the sample in this case, has never been certified by
    control region is one nucleotide difference every 300               an external agency. This point was raised in the pretrial
    generations. National Commission on the Future of DNA               hearing, and, although there is no legal requirement that
    Evidence, The Future of Forensic DNA Testing: Predictions           Dr. Melton’s lab be so certified, the district court did question
    of the Research and Development Working Group 7, Nat’l              Dr. Melton on this point. Laboratories doing DNA forensic
    Inst. of Justice (2000). But see Ann Gibbons, Calibrating the       work are accredited through the American Society of Crime
    Mitochondrial Clock, 279 Science 28 (1998) (discussing              Laboratory Directors. However, Dr. Melton’s lab, having
    research estimating that mutations occur as frequently as           only been actively engaged in case work for about 11 months
    every 40 generations). This academic dispute does not affect        at the time of the trial, was not yet able to apply for the
    this case directly. In general, the slower the mutation rate, the   accreditation, but was expected to go through the process the
    Nos. 00-3617/3618/3741                  United States v.    17    18    United States v.                 Nos. 00-3617/3618/3741
    Beverly, et al.                Beverly, et al.
    following spring. Furthermore, Dr. Melton’s own credentials       separately considered the scientific reliability of the statistical
    are considerable. Not only has she been working with              analysis offered by the government, concluding that:
    mtDNA since 1991, she has a Ph.D from Pennsylvania State
    University in genetics; her thesis investigated mitochondrial       The predictive effect of the statistical analysis is based
    DNA as it would apply to forensic applications. In addition,        upon a formula which is apparently recognized in the
    Dr. Melton has published a significant amount of work in this       scientific community and used in a variety of scientific
    field.                                                              contexts, and it has been used specifically here in the
    analysis of mitochondrial DNA results. The Court
    Next, Beverly argues that Dr. Melton’s procedures would           concludes that it’s an accepted and reliable estimate of
    sometimes yield results that were contaminated, and that            probability, and in this case, it led to results, interpreted
    furthermore, the sample analyzed in this particular case was        results, which substantially increase the probability that
    contaminated. Testimony given by Dr. Melton and                     the hair sample is the hair of the defendant in this case.
    Dr. Kessis, who was Beverly’s expert at trial, supported
    Beverly’s general contention, but no evidence demonstrated          Based on the record compiled in the district court’s careful
    that any contamination in this case affected the results of the   and extensive hearing on this issue, there was no abuse of
    analysis. Dr. Melton testified that “[we] occasionally have       discretion in admitting the mtDNA testing results. The
    what we call sporadic contamination,” probably as a result of     scientific basis for the use of such DNA is well established.
    residue on a piece of equipment brought into the lab.             Any issues going to the conduct of the specific tests in
    However, Dr. Melton was confident that no contamination of        question were fully developed and subject to cross
    the sample itself had occurred. The reagent blank in the test     examination. There was no error in finding that the testing
    of the sample itself did not show any indication of               methods, and Dr. Melton’s testing in particular, were
    contamination, in contrast to a separate reagent blank, used in   sufficiently reliable to be admissible.         Finally, the
    a different test tube, which was a control in the experiment.     mathematical basis for the evidentiary power of the mtDNA
    Therefore, the actual data relied upon in this case, obtained     evidence was carefully explained, and was not more
    from the sequencing machine, did not indicate any presence        prejudicial than probative.
    of a contaminant.
    It was made clear to the jury that this type of evidence
    Finally, the district court carefully considered during the    could not identify individuals with the precision of
    pretrial hearing the question of whether the relevance of this    conventional DNA analysis. Nevertheless, any particular
    evidence outweighed its probative value. In particular,           mtDNA pattern is sufficiently rare, especially when there is
    Beverly argued that the jury would associate mitochondrial        no contention that the real culprit might have been a
    DNA analysis with nuclear DNA analysis and give it the            matrilineal relative of the defendant, that it certainly meets the
    same value, in terms of its ability to “fingerprint” a suspect.   standard for probative evidence: “any tendency to make the
    The district court, however, decided that this issue was more     existence of any fact that is of consequence to the
    appropriately dealt with through a vigorous cross-                determination of the action more probable or less probable
    examination, and in fact that was exactly what occurred at        than it would be without the evidence.” Fed. R. Evid. 401.
    trial. Moreover, the court noted the important probative value    The statistical evidence at trial showed that, at most, less than
    that this evidence added to the trial. Finally, the court         1% of the population would be expected to have this mtDNA
    Nos. 00-3617/3618/3741                  United States v.    19    20   United States v.               Nos. 00-3617/3618/3741
    Beverly, et al.               Beverly, et al.
    pattern. Even an article critical of mtDNA stated the most        may sustain a conviction under this deferential standard of
    frequent pattern applies in no more than 3% of the population.    review.” United States v. Adams, 
    265 F.3d 420
    , 423 (6th Cir.
    Erica Beecher-Monas, The Heuristics of Intellectual Due           2001) (citations omitted).
    Process: A Primer for Triers of Science, 75 N.Y.U.L. Rev.
    1563, 1655 n.535 (2000). It would be unlikely to find a           1. Crockett
    match between Beverly’s hair and the hair of a random
    individual. The testimony was that, with a high degree of            Crockett contends that there is insufficient evidence in the
    confidence, less than one percent of the population could be      record to establish that he was involved in a conspiracy to
    expected to have the same pattern as that of the hair recovered   commit bank robberies as set forth in Count One of the
    from the bank robbery site, and that Beverly did have the         indictment. To establish a conspiracy, in violation of 18
    same pattern, and thus could not be excluded as the source of     U.S.C. § 371, the government must prove beyond a
    the hair. Finding Beverly’s mtDNA at the crime scene is           reasonable doubt that there was “an agreement between two
    essentially equivalent to finding that the last two digits of a   or more persons to act together in committing an offense, and
    license plate of a car owned by defendant matched the last        an overt act in furtherance of the conspiracy.” United States
    two numbers of a license plate of a getaway car. It would be      v. Crossley, 
    224 F.3d 847
    , 856 (6th Cir. 2000) (quoting
    some evidence — not conclusive, but certainly admissible.         United States v. Milligan, 
    17 F.3d 177
    , 182 (6th Cir. 1994)).
    We find the same here.                                            This requirement has been broken down into a four-part test,
    which requires the government to prove that: “1) the
    conspiracy described in the indictment was wilfully [sic]
    formed, and was existing at or about the time alleged; 2) the
    V                                   accused willfully [sic] became a member of the conspiracy;
    3) one of the conspirators thereafter knowingly committed at
    Motion for Acquittal                          least one overt act charged in the indictment at or about the
    time and place alleged; and 4) that overt act was knowingly
    During the trial, at the close of the government’s case and     done in furtherance of some object or purpose of the
    again at the close of all evidence, both Turns and Crockett       conspiracy as charged.” United States v. Kraig, 99 F.3d
    made a Rule 29(a) motion for acquittal. On both occasions         1361, 1368 (6th Cir. 1996). The government need not show
    the district court denied their motions, and both defendants      a formal written agreement; a simple understanding between
    now appeal that decision.                                         the parties will suffice. United States v. Clayton, 
    357 F.3d 560
    , 573 (6th Cir. 2004). Nor does “every member of a
    The relevant question in assessing a challenge to               conspiracy [need to be] an active participant in every phase of
    evidentiary sufficiency is “whether, after viewing the            the conspiracy.” United States v. Christian, 
    786 F.2d 203
    ,
    evidence in the light most favorable to the prosecution, any      211 (6th Cir. 1986) (quoting United States v. Cuni, 689 F.2d
    rational trier of fact could have found the essential elements    1353, 1356 (11th Cir. 1982)). The defendant need only
    of the crime beyond a reasonable doubt.” Jackson v. Virginia,     “know of the conspiracy, associate himself with it and
    
    443 U.S. 307
    , 319 (1979) (emphasis in original). See also         knowingly contribute his efforts in its furtherance.” United
    United States v. Sykes, 
    292 F.3d 495
    , 498-99 (6th Cir. 2002).     States v. Barger, 
    931 F.2d 359
    , 369 (6th Cir. 1990) (quoting
    “Circumstantial evidence alone, if substantial and competent,     United States v. Luxenberg, 
    374 F.2d 241
    , 250 (6th Cir.
    Nos. 00-3617/3618/3741                   United States v.    21    22   United States v.                Nos. 00-3617/3618/3741
    Beverly, et al.               Beverly, et al.
    1967)). “A conspiracy may be inferred from circumstantial          drawn in the government’s favor. United States v. Kelly, 204
    evidence that can reasonably be interpreted as participation in    F.3d 652, 656 (6th Cir. 2000). The jury obviously accepted
    the common plan.” 
    Ibid.
     (quoting United States v. Strong,          the testimony of Warren and Rogers. Moreover, Turns
    
    702 F.2d 97
     (6th Cir. 1983)).                                      provided the FBI with a detailed account of the robberies, his
    gun was found with two of the robbers, he provided false
    The government presented a considerable amount of               identification to a co-conspirator, and he made several
    evidence establishing Crockett’s active participation in the       purchases and bank deposits directly after three of the
    conspiracy, particularly through the testimony of Rogers and       robberies to which he was linked. The evidence against Turns
    Warren. For example, both Rogers and Warren testified to           was sufficient for a rational trier of fact to have found Turns
    Crockett’s participation in the robbery at the Security            guilty.
    National Bank, specifically describing his participation in
    creating disguises used during the robbery and in conducting
    the robbery itself. In addition, there was photographic
    evidence of his presence at the Security National Bank.                                          VI
    Warren also testified to Crockett’s participation in the robbery
    of the Park National Bank in Hebron. There also was                               A. Severance of Turns’s Trial
    evidence that Crockett fired his gun during the course of that
    robbery, as a bullet matched to his gun was recovered from a          Turns contends that the district court should not have joined
    file cabinet in the bank. A rational trier of fact could have      his trial with Beverly’s and Crockett’s. Turns argues that the
    reasonably relied upon any of this evidence to find that           alleged conspiracy between Rogers, Warren, and Turns was
    Crockett was a willing participant in the conspiracy charged       entirely separate from the alleged conspiracy that existed
    in Count One of the indictment.                                    between Rogers, Warren, and Crockett that, according to
    Turns, dominated in this case. We do not find this argument
    2. Turns                                                           persuasive.
    Turns argues that the government's evidence was                     Rule 8(b) of the Federal Rules of Criminal Procedure
    insufficient because “the credibility of Rogers and Warren is      permits two or more defendants to be charged in the same
    suspect to the point that reasonable minds should reject their     indictment “if they are alleged to have participated in the
    testimony as a matter of law.” Turns’s Brief at 24. However,       same act or transaction or in the same series of acts or
    determining the credibility of witnesses is a task for the jury,   transactions constituting an offense or offenses.” All of the
    not this court. See United States v. Hilliard, 
    11 F.3d 618
    , 620    defendants committed bank robberies with Rogers and
    (6th Cir. 1993) (noting that this court does not weigh             Warren during the course of the conspiracy and their
    evidence, make credibility determinations, or substitute its       testimony was admissible against all of the defendants,
    judgment for that of the jury). In reviewing the denial of a       including Turns. The robberies were a series of offenses that
    motion for acquittal, we must “refrain from independently          were conducted over a relatively short period of time and
    judging the credibility of witnesses or [the] weight of the        performed using a similar pattern of behavior. The district
    evidence.” United States v. Walls, 
    293 F.3d 959
    , 967 (6th          court, therefore, did not err in joining the trial of Turns with
    Cir. 2002). Moreover, all reasonable inferences are to be          that of Crockett and Beverly.
    Nos. 00-3617/3618/3741                   United States v.     23    24   United States v.               Nos. 00-3617/3618/3741
    Beverly, et al.                Beverly, et al.
    Turns relies on United States v. Hatcher, 
    680 F.2d 438
    , 441      also United States v. Critton, 
    43 F.3d 1089
    , 1097-98 (6th Cir.
    (6th Cir. 1982), in which this court held that the joinder of       1995) (“Rule 14 allows for severance if it appears that a
    two defendants was improper under Rule 8(b). In Hatcher,            defendant or the government is prejudiced by a joinder of
    both defendants, Manetas and Hatcher, were jointly indicted         offenses or of defendants.”) (internal quotation marks
    for federal narcotics crimes. Although both defendants had          omitted). We review a denial of severance by the district
    been charged with three counts relating to the possession and       court for a clear abuse of discretion. United States v. Causey,
    distribution of heroin, one of the defendants had also been         
    834 F.2d 1277
    , 1287 (6th Cir. 1987). Furthermore, a strong
    charged with three counts relating to the possession and            policy presumption exists in favor of joint trials when charges
    distribution of cocaine in an entirely unrelated series of          will be proved by the same evidence and result from the same
    offenses. This court held that since there was “no connection       acts. See United States v. Hamilton, 
    689 F.2d 1262
    , 1275 (6th
    between Manetas and the cocaine-related charges against             Cir. 1982).
    Hatcher,” the joinder of the two defendants was improper.
    
    Ibid.
     The court further noted that “[t]he joinder of multiple          Turns argues that his trial was prejudiced by being joined
    defendants is proper under Rule 8(b) only if each of the            with the other defendants since the credibility of the
    counts of the indictment arises out of the same act or              testimony of Rogers and Warren, the government witnesses
    transaction or series of acts or transactions . . . .” 
    Ibid.
            who placed Turns at the scene of the crime, was bolstered by
    additional pieces of incriminating and corroborating evidence
    The case before us now is distinguishable from Hatcher,           in the case against Beverly and Crockett. For example, in
    because each bank robbery can easily be viewed as part of           Crockett’s case, the government presented a photograph taken
    one ongoing set of transactions, linked together by Rogers          during one of the bank robberies, which was purported to be
    and Warren. Furthermore, we have held that “a group of acts         of Crockett while he was in the process of robbing the bank.
    or transactions constitutes a ‘series’ if they are logically        In Beverly’s case, there was mtDNA evidence presented that
    interrelated,” and that a “group of acts or transactions is         linked Beverly to one of the robberies. These pieces of
    logically interrelated, for instance, if the acts or transactions   evidence corroborated the testimony given by Rogers and
    are part of a common scheme or plan.” See United States v.          Crockett, although the evidence would have been
    Johnson, 
    763 F.2d 773
    , 776 (1985) (noting that several other        inadmissible in a trial focused solely on Turns.
    circuits have held similarly and citing United States v.
    Corbin, 
    734 F.2d 643
    , 649 (11th Cir. 1984); United States v.           Turns’s contention that Rogers’s and Warren’s testimony
    Cavale, 
    688 F.2d 1098
    , 1106 (7th Cir. 1982); United States v.       was bolstered during the trial by corroborating evidence
    Ford, 
    632 F.2d 1354
    , 1371-72 (9th Cir. 1980)). Given the            presented in the case against Beverly and Crockett is
    common scheme involved in this case, the district court did         unpersuasive. We have stated in Causey, 834 F.2d at 1288,
    not abuse its discretion in joining Turns’s trial with that of      that “a defendant is not entitled to severance simply because
    Beverly and Crockett, pursuant to Rule 8(b).                        the evidence against a co-defendant is far more damaging
    than the evidence against him.” Moreover, a defendant does
    Turns also argues that the district court erred in denying his    not have a right to a separate trial, merely because his
    motion to sever the trial, brought under Rule 14 of the Federal     likelihood of acquittal would be greater if severance were
    Rules of Criminal Procedure. Severance of a joint trial is          granted. See United States v. Gallo, 
    763 F.2d 1504
    , 1526 (6th
    permitted, if joinder is prejudicial. Fed. R. Crim. P. 14; see      Cir. 1985) (citing United States v. Stirling, 
    571 F.2d 708
    , 733
    Nos. 00-3617/3618/3741                 United States v.    25    26   United States v.                 Nos. 00-3617/3618/3741
    Beverly, et al.               Beverly, et al.
    (2d Cir. 1978); United States v. Larson, 
    526 F.2d 256
    , 260         Turns’s Counsel: Isn’t it always important when the
    (5th Cir. 1976)). “Absent a showing of substantial prejudice,      government is trying to prove a case against somebody
    spillover of evidence from one case to another does not            what somebody’s motive is?
    require severance.” 
    Ibid.
     (citing United States v. Ricco, 
    549 F.2d 264
    , 270-71 (2d Cir. 1977)). Turns has not made a             The Court: What the motive is is the motive for the
    showing of substantial prejudice in this case, and thus the        bank robberies and the conspiracy.
    district court did not abuse its discretion by denying Turns’s
    motion for severance.                                            The district court subsequently sustained the objection. Later
    in the trial, during Turns’s cross-examination of Rogers,
    Turns’s counsel again tried to question Rogers about his
    alleged sexual assault of Turns’s daughter. This time,
    B. The Cross-Examination of Anthony Rogers                 however, Turns’s counsel noted that he wished to question
    Rogers on this point in order to prove bias: to show that the
    Turns contends that the district court abused its discretion   abuse of Turns’s daughter related to why Rogers was
    by not allowing him to question Rogers on cross-examination      appearing as a government witness against Turns. The
    about his alleged attempt to sexually molest Turns’s twelve-     district court again decided that the testimony was
    year-old daughter. We review a trial court’s rulings on the      inadmissible, stating in relevant part:
    scope of cross-examination for an abuse of discretion. United
    States v. Chance, 
    306 F.3d 356
    , 385 (6th Cir. 2002).               I am going to adhere to my original ruling. This would
    be injecting a matter that’s entirely collateral to the issues
    At trial, during his opening statement, Turns’s counsel         here, not relevant in any way, and extremely prejudicial
    stated that “Mr. Rogers is not a very nice person, that he         to the government. So I am going to adhere to my earlier
    attempted to molest my client’s twelve-year old daughter.          ruling, and you’re not permitted to ask such questions.
    She was twelve-years old at the time . . . .” The government
    objected at this point, arguing that this information was        Later, when the issue was raised again, defense counsel told
    irrelevant and therefore inadmissible. Turns’s counsel           the court that he would specifically like to ask Rogers: “Isn’t
    responded that the information was crucial to Turns’s defense    it true that you knew Doug Turns was aware of your sexual
    and that it was “not being offered for impeachment purposes.”    misconduct with his daughter, and that’s why you falsely
    Defense counsel went on to explain that this information was     accused him of these bank robberies?” Before ruling on
    relevant to Turns’s motivation for going to the FBI and          whether this question could be asked, the court asked counsel
    providing information on Rogers and Warren. The district         if he had any information indicating that Mr. Rogers was
    court questioned Turns’s counsel further as follows:             aware of Turns’s accusations, to which Turns’s counsel
    responded that he did not. Again, the court ruled that this line
    The Court: Again, what difference does it make what            of questioning was improper. The jury heard about the
    his motive was in going to the FBI?                            allegation when Turns testified himself that Rogers had
    molested his daughter, which prompted him to turn Rogers in
    to the FBI. Turns now argues that the district court committed
    constitutional error in denying Turns the ability to prove bias.
    Nos. 00-3617/3618/3741                   United States v.    27    28   United States v.               Nos. 00-3617/3618/3741
    Beverly, et al.               Beverly, et al.
    The trial court has broad discretion regarding the scope of      conviction that Rogers had molested his daughter during his
    cross-examination. United States v. Mohney, 
    949 F.2d 1397
    ,         own testimony.
    1409 (6th Cir. 1991). Yet, as pointed out by Turns in his
    brief, the Supreme Court has noted that the “cross-
    examination of a witness is a matter of right.” Alford v.
    United States, 
    282 U.S. 687
    , 691 (1931). Furthermore, the                              C. Turns’s Sentence
    Court has subsequently stated that “[c]ross-examination is the
    principal means by which the believability of a witness is           Turns argues that his sentence of 858 months, or 71 1/2
    subject to exploration at trial, and is ‘always relevant as        years, largely mandated by the requirement of consecutive
    discrediting the witness and affecting the weight of his           sentencing under 
    18 U.S.C. § 924
    (c), is cruel and unusual
    testimony.’” Davis v. Alaska, 
    415 U.S. 308
    , 316 (1974)             punishment, in violation of the Eighth Amendment. In
    (holding that precluding a defendant from cross-examining a        particular, Turns argues that his sentence is “grossly
    key prosecution witness to show bias violated the defendant’s      disproportionate” to his crime of having driven the getaway
    constitutional right to confront the witness testifying against    car in four bank robberies and provided false identification
    him). However, the right to cross-examine is not absolute.         documents, especially given that he had no prior criminal
    United States v. Atisha, 
    804 F.2d 920
    , 929-30 (6th Cir. 1986).     record and supplied critical information to the FBI about the
    Trial judges have latitude to “impose reasonable limits on         crimes during its investigation.
    such cross-examination based on concerns about, among
    other things, harassment, prejudice, confusion of the issues,         Since a constitutional challenge to a sentence raises a
    the witness’ safety, or interrogation that is repetitive or only   question of law, we review Turns’s claim de novo. United
    marginally relevant.” United States v. Blakeney, 942 F.2d          States v. Flowal, 
    163 F.3d 956
    , 963 (6th Cir. 1998). Turns
    1001, 1022 (6th Cir. 1991) (emphasis omitted). See also            relies principally on the Supreme Court case of Enmond v.
    United States v. Broadus, 
    7 F.3d 460
    , 465 (6th Cir. 1993).         Florida, 
    458 U.S. 782
     (1982), in which the Court vacated a
    death sentence that had been imposed on the driver of a
    In this case the trial court did not abuse its discretion in     getaway car in a double murder. In Enmond, the Court
    ruling that this information was inadmissible, as it was only      reasoned that the sentence did not serve the “two principal
    marginally relevant and highly prejudicial. It was not             purposes” that the death penalty is intended to serve:
    obviously relevant for purposes of demonstrating bias,             retribution and deterrence. 
    Id. at 798
    . The Court reasoned
    because even if Rogers had sexually molested Turns’s child,        that since the defendant “did not kill or attempt to kill” the
    there was no evidence that Rogers had ever been accused of         victims, his “culpability [was] plainly different from that of
    doing so, or knew that anyone suspected him of committing          the robbers who killed,” and thus the sentence did not serve
    such an offense. Unless Rogers had been confronted, there          the goal of retribution. 
    Ibid.
     Furthermore, the defendant “did
    would be no reason for him to be particularly biased against       not [have] any intention of participating in or facilitating a
    Turns. The information more accurately explains why Turns          murder,” and “it seems likely that ‘capital punishment can
    would be biased against Rogers, and that is irrelevant to this     serve as a deterrent only when murder is the result of
    inquiry. Any evidence of such a heinous act is likely to be        premeditation and deliberation.’” 
    Id. at 799
     (quoting Fisher
    prejudicial. Furthermore, any error in the district court’s        v. United States, 
    328 U.S. 463
    , 484 (1946) (Frankfurter, J.
    ruling would be harmless, since Turns shared his personal          dissenting)). Finally, “[u]nless the death penalty when
    Nos. 00-3617/3618/3741                  United States v.    29    30   United States v.                Nos. 00-3617/3618/3741
    Beverly, et al.               Beverly, et al.
    applied to those in Enmund’s position measurably contributes        This court has addressed a similar claim in an unpublished
    to one or both of these goals, it ‘is nothing more than the       decision. United States v. Clark, 
    41 Fed. Appx. 745
     (6th Cir.
    purposeless and needless imposition of pain and suffering,’       2002). A defendant argued that his thirty-two-year sentence
    and hence an unconstitutional punishment.” 
    Id.
     at 798             for two convictions under 
    18 U.S.C. § 924
    (c) violated the
    (quoting Coker v. Georgia, 
    433 U.S. 584
    , 592 (1977)).             Eighth Amendment’s prohibition on cruel and unusual
    punishment. The panel addressed the merits of the
    The “narrow proportionality principle,” means that only         defendant’s claim, even though it did not appear that his
    “extreme sentences that are grossly disproportionate to the       counsel had raised this issue at the sentencing hearing, which
    crime are prohibited.” Flowal, 
    163 F.3d at 963-64
    . A              would ordinarily preclude review, stating that it was “satisfied
    plurality of the Court rejected the defendant’s assertion that    that the Eighth Amendment did not bar [the defendant’s]
    his life term without parole was disproportionate because it      sentence.” Id. at 751. The court also took note of the fact that
    was his first felony conviction. Harmelin v. Michigan, 501        in a similar challenge, the Ninth Circuit had held that a
    U.S. 957, 994 (1991). Instead, the Court observed that the        defendant’s sentence based on his conviction under 18 U.S.C.
    defendant had been convicted of possession of more than 650       § 924(c), which accounted for twenty-five years of his total
    grams of cocaine and held that Michigan could determine that      sentence, was not cruel and unusual. Ibid. (citing United
    the seriousness of the offense warranted the severe sentence.     States v. Parker, 
    241 F.3d 1114
    , 1117-18 (9th Cir. 2001)).
    Id. at 990.
    In this case, although the length of time to be served by
    Here, too, Turns has never been convicted of a felony           Turns, as required by 
    18 U.S.C. § 924
    (c), is severe, it would
    before. However, he was convicted of participating in four        appear to serve the twin goals of retribution and deterrence,
    separate armed bank robberies. Even though his role was to        without being grossly disproportionate to the several offenses
    drive the getaway car, he was fully aware of the crime he was     committed. The Supreme Court has never held that a
    participating in and thus his culpability is not diminished.      sentence to a specific term of years, even if it might turn out
    Furthermore, at least one of the guns used in the course of the   to be more than the reasonable life expectancy of the
    robberies was traced back to Turns, who had purchased it in       defendant, constitutes cruel and unusual punishment. See
    1993 and had given it to Rogers. Turns was sentenced to five      Harmelin, 501 U.S. at 996. In the absence of such guidance,
    years for the first of four counts of armed bank robbery          we see no principle on which such a result could be based,
    brought pursuant to 
    18 U.S.C. § 2113
     (a) and (d) and to           and we decline to establish such a principle here. But see
    twenty years for the remaining three counts, to run               Ramirez v. Castro, No. 02-56066, 
    2004 WL 868517
     (9th Cir.
    consecutively. No one of these sentences is intrinsically         Apr. 19, 2004) (holding 25 years-to-life sentence for three
    “grossly disproportionate” to the crime of armed bank             shoplifting convictions, two of which occurred in 1991,
    robbery. Mandating consecutive sentences is not an                violated the Eighth Amendment).
    unreasonable method of attempting to deter a criminal, who
    has already committed several offenses using a firearm, from
    doing so again. See Harmelin, 501 U.S. at 994 (stating that
    mandatory penalties are not “unusual in the constitutional
    sense”).
    Nos. 00-3617/3618/3741                  United States v.    31    32   United States v.                Nos. 00-3617/3618/3741
    Beverly, et al.               Beverly, et al.
    VII                                  Parks began to cry. Upon Trombitas’s request, Mrs. Parks
    turned over the photograph and placed her name, the date, and
    A. Pretrial Identification                      Crockett’s name on the back of the photograph. Judge
    Graham ruled that, based upon the totality of the
    Crockett appeals the district court’s decision to admit into    circumstances, the photographic identification procedure was
    evidence the pretrial identification of Crockett by Mrs. Parks,   sufficiently reliable to permit the witness to testify.
    who was his wife when he was arrested, but not when he
    committed the offense for which he was identified. In               Later on, at trial, the government represented to the court
    addition, Crockett appeals the district court’s admission of      that the FBI and the postal investigative service had “gone to
    FBI Agent Trombitas’s testimony, as it pertained to the           great lengths” to try to serve Mrs. Parks with no success. As
    identification made by Mrs. Parks.                                a result, the prosecution sought to introduce this pretrial
    identification through Agent Trombitas’s testimony. Crockett
    Following Crockett’s arrest in July 1999, FBI Agent             objected on the ground that this was hearsay. However, the
    Trombitas went to Crockett’s home in order to interview           court agreed with the government that Mrs. Parks’s
    Crockett’s wife, Mrs. Parks. Trombitas first informed Mrs.        identification, based on Trombitas’s testimony, was
    Parks that her husband had been arrested earlier in the day for   admissible as an excited utterance, an exception to the
    his involvement in several bank robberies. Agent Trombitas        hearsay rule.
    then showed her a photograph that was taken during the bank
    robbery at the Security National Bank, which occurred on            Ultimately, after Trombitas had given his testimony, Mrs.
    May 18, 1995, approximately two years before Crockett and         Parks testified at the trial. She recanted her identification of
    Mrs. Parks were married, but nevertheless during their            Crockett, although she admitted that she had told Agent
    acquaintance. Mrs. Parks identified the man that Trombitas        Trombitas when he interviewed her after Crockett’s arrest,
    pointed to in the photograph as her husband.                      that the picture “kind of looked like Johnny.”
    The government sought to admit this pretrial identification    1. Admission of the Pretrial Identification.
    at trial and Crockett filed a motion to suppress. As a result,
    Judge Graham held a pretrial hearing on the admissibility of        We review the denial of a motion to suppress identification
    Mrs. Parks’s identification. At the pretrial hearing, Trombitas   evidence for clear error. United States v. Hamilton, 684 F.2d
    testified as to the circumstances under which the                 380, 383 (6th Cir. 1982). The burden rests on Crockett to
    identification was made. Trombitas explained that he took         demonstrate that the pretrial identification procedure was
    out the photograph, placed it in front of her and asked, “do      impermissibly suggestive. United States v. Hill, 967 F.2d
    you recognize that person there?” According to Trombitas,         226, 230 (6th Cir. 1992). If Crockett can demonstrate that the
    Mrs. Parks picked up the photograph, and with one hand on         police performed an unduly suggestive photographic lineup,
    her mouth, said “oh, my God, that looks like Johnny.” At that     then the trial court must determine, in light of all the
    point, Trombitas noticed her eyes tearing up and asked her to     circumstances, whether the unfair suggestiveness was
    reaffirm the identification, saying: “so that looks like          conducive to a “very substantial likelihood of irreparable
    Johnny?” Ibid. Mrs. Parks responded “yes, it does, it’s him,      misidentification.” Simmons v. United States, 
    390 U.S. 377
    ,
    and I’m not going to lie for him.” 
    Ibid.
     At this point, Mrs.      384 (1968); Hill, 967 F.2d at 230. The Supreme Court has
    Nos. 00-3617/3618/3741                     United States v.     33    34   United States v.               Nos. 00-3617/3618/3741
    Beverly, et al.                Beverly, et al.
    listed factors that a court should weigh in determining               photo. See also United States v. Borelli, 
    621 F.2d 1092
     (10th
    whether an identification is reliable, even though an unduly          Cir. 1980) (holding that a trial court did not abuse its
    suggestive identification procedure may have been used.               discretion by admitting into evidence identification testimony
    These factors are: 1) the witness’s opportunity to view the           of defendant’s stepfather who recognized the defendant in a
    criminal at the time of the crime; 2) the witness’s degree of         bank surveillance photo).
    attention, 3) the accuracy of the witness’s prior description of
    the criminal; 4) the level of certainty demonstrated at the             In this case, although Mrs. Parks was provided with only a
    confrontation; and 5) the time between the crime and the              single photograph, it was not presented in a suggestive
    confrontation. Neil v. Biggers, 
    409 U.S. 188
    , 198-200 (1972)          manner. She was not asked “is this your husband?” The
    (stating that the “likelihood of misidentification . . . violates     identification was not likely to have produced a
    a defendant's right to due process,” not a suggestive line-up         misidentification, given Mrs. Parks’s familiarity with the
    per se).                                                              defendant at the time when the picture was taken.
    Furthermore, given her relationship to the defendant, she
    Before ruling on the admissibility of this evidence, the            would be unlikely to be biased against him, and would have
    district court in this case carefully considered the reliability of   every reason not to identify Crockett to the authorities, if
    the identification. The judge noted that there was only one           there was any doubt. The district court, therefore, did not
    photograph, that the witness did not observe the offense, but         commit clear error in denying Crockett’s motion to suppress
    was certainly familiar with the suspect, and that the                 this pretrial identification.
    photograph was of “very good quality . . . clearly portray[ing
    Crockett’s] facial features, as well as all of the other              2. Excited Utterance.
    characteristics of his physical anatomy.” Although these
    observations are not necessarily helpful in evaluating all of           The district court separately analyzed the question of
    the Biggers factors outlined above, they do properly address          whether Agent Trombitas would be allowed to testify about
    the question of reliability, the fundamental inquiry.                 the statements made by Mrs. Parks during his interview, in
    which she identified Crockett as one of the men in the bank
    This was not a typical police photo spread in which a               surveillance photo. It is undisputed that Trombitas’s
    witness is asked identify an otherwise-unknown perpetrator            testimony with regard to Mrs. Parks’s identification of
    based solely on observation at the time of the crime. In this         Crockett was hearsay; what is disputed is whether the
    instance, Mrs. Parks was being asked whether the bank                 comments were “excited utterances” and therefore within an
    surveillance picture in fact depicted someone she knew very           exception to the hearsay rule. Federal Rule of Evidence
    well and would readily recognize. The Biggers factors are not         803(2) provides that “a statement relating to a startling event
    particularly helpful in a case such as this, where the                or condition made while the declarant was under the stress of
    identification has been made by someone close to the suspect.         excitement caused by the event or condition” is not barred by
    Rather, we should be guided by cases in which identifications         the hearsay rule. The excited utterance rule requires that
    have been made by relatives or close friends. United States           1) there be an event startling enough to cause nervous
    v. Saniti, 
    604 F.2d 603
     (9th Cir. 1979), held that two                excitement; 2) the statement be made before there is an
    roommates of the accused could properly be permitted to               opportunity to contrive or misrepresent; and 3) the statement
    identify the defendant as the person in a bank surveillance           be made while the person in under the stress of the excitement
    Nos. 00-3617/3618/3741                   United States v.     35    36   United States v.                Nos. 00-3617/3618/3741
    Beverly, et al.                Beverly, et al.
    caused by the event. Haggins v. Warden, Fort Pillow State             to file tax returns or not reporting income or anything of
    Farm, 
    715 F.2d 1050
    , 1057 (6th Cir. 1983). See also United            that nature, and that’s not why this is being offered for
    States v. Winters, 
    33 F.3d 720
    , 722-23 (6th Cir. 1994).               you. There’s no suggestion whatsoever that any of them
    has done anything improper in regard to their tax returns.
    The district court found that Mrs. Parks’s statements met          This evidence is being offered only for the limited
    the three requirements of our excited utterance doctrine.             purpose of assisting you in determining what income
    First, viewing the “photograph of the individual that she             they may have had during the years in question, and
    recognized as her husband committing a bank robbery” was              that’s the only purpose for which the evidence is being
    a startling event. Second, according to Trombitas’s                   used.
    testimony, Mrs. Parks uttered the words “oh, my God, that
    looks like Johnny,” as soon as she saw the photograph, and             We review the district court’s decision regarding the
    therefore before she could have had an opportunity to               admission of evidence for an abuse of discretion. United
    “contrive or misrepresent.” Third, Mrs. Parks identified            States v. Denton, 
    246 F.3d 784
    , 788 (6th Cir. 2001). “Even
    Crockett in her very first statement upon seeing the                if the trial court abuses its discretion, a new trial is not
    photograph, and then with tears in her eyes, reaffirmed that        required unless [the] ‘substantial rights’ of a party are
    identification, evidence of the fact that she was still under the   affected.” United States v. Bonds, 12 F.3d at 540, 554 (6th
    stress of the moment. The district court did not abuse its          Cir. 1993) (citing Fed. R. Crim. P. 52(a); Rye v. Black &
    discretion in its admission of Trombitas’s testimony as it          Decker Mfg., 
    889 F.2d 100
    , 103 (6th Cir. 1989)). That is, “an
    related to Mrs. Parks’s pretrial identification.                    abuse of discretion that does not affect substantial rights is
    harmless error and is to be disregarded.” 
    Ibid.
     (citing Fed. R.
    Crim P. 52(a)).
    B. Admissibility of Crockett’s Income Tax Returns                  Crockett contends that the evidence demonstrating that he
    did not file tax returns in 1994 and 1995 was irrelevant for
    Crockett contends that evidence presented at trial by the         two reasons. First, Crockett points out that he was not on trial
    government reflecting the fact that he did not file a tax return    for any illegal activity in 1994. Second, no evidence was
    in 1994 or 1995 was irrelevant and prejudicial. Crockett            offered by the government to demonstrate that he had spent
    made a timely objection to the admission of this evidence on        more money than he could have earned without being
    these grounds. The court decided to allow the evidence to be        required to file an income tax return during the relevant time
    presented, albeit with a limiting instruction to the jury,          period. Crockett also argues that whatever potential relevance
    intended to cure any concerns over the potentially prejudicial      this evidence had was outweighed by its prejudicial effect,
    nature of this information. The instruction given by the court      although he does not elaborate further as to how the evidence
    was as follows:                                                     was prejudicial.
    Ladies and gentlemen, let me explain the limited nature             Prior to submitting this information with regard to
    of the evidence that you are hearing about this                   Crockett’s tax returns, the government had introduced
    certification of an absence of tax return. None of these          evidence that Crockett purchased a 1984 Cadillac automobile
    defendants is charged with any offense relating to failing        for $2,500 on July 24, 1995, approximately six weeks after
    Nos. 00-3617/3618/3741                   United States v.     37    38   United States v.               Nos. 00-3617/3618/3741
    Beverly, et al.                Beverly, et al.
    the Security National Bank robbery. Crockett’s failure to file        disclosure is expressly authorized by federal law or 2) the
    an income tax return in 1995 can be considered to be relevant:        Court finds there has been a particularized showing of a
    if Crockett’s legal income was insufficient to require a return       compelling need for such disclosure and that the
    to be filed, it would seem unlikely that someone making such          information is necessary to meet the ends of justice.
    a small income would be able to buy a car for $12,500 in
    cash. Crockett’s failure to file a tax return in 1994, however,       (e)(1) If the Court finds that a Probation or Pretrial
    is less relevant, although it might be seen as demonstrating          Services Officer shall be authorized to testify or to
    that Crockett did not have a large income in 1994 that could          produce records, the authorization shall be limited to
    have explained purchases made in 1995. In any case, given             only those matters directly relevant to the demonstrated
    the district court’s clear instructions to the jury and warning       need. The Court’s Order shall identify the records which
    that this evidence was not intended to show that the defendant        shall be produced and the subject matter of the testimony
    had committed tax fraud, the evidence would not have had a            which is authorized.
    prejudicial impact on Crockett’s trial, affecting his substantial
    rights. The district court, therefore, did not abuse its            S.D. Ohio Crim R. 32.2(d) - (e)(1). In order to make the
    discretion in admitting evidence demonstrating that Crockett        necessary determinations pursuant to the rule, the court held
    had not filed tax returns in 1994 and 1995.                         a hearing regarding the possible testimony of Ms. Jensen. At
    the hearing, Turns represented to the court that he wished to
    question Ms. Jensen for the purpose of attacking Rogers’s
    credibility by showing that Rogers had made statements to
    C. Crockett’s Examination of Rogers’s Probation Officer            Ms. Jensen that contradicted his testimony at trial. The line
    of questioning related primarily to information found in
    Crockett contends that the district court erred in imposing      Rogers’s presentencing report, for which Ms. Jensen had
    limitations on Crockett’s examination of Rogers’s probation         interviewed Rogers. However, the district court found that
    officer. We review a trial court’s rulings on the scope of          Turns had not laid a proper foundation in Rogers’s testimony,
    cross-examination for an abuse of discretion. United States         except with respect to Rogers’s substance abuse, since Turn’s
    v. Chance, 
    306 F.3d 356
    , 385 (6th Cir. 2002).                       attorney had not drawn Rogers’s attention to his prior
    allegedly inconsistent statements in the report. For this
    During the course of the trial, Crockett asked the district      ruling, the court relied on Federal Rule of Evidence 613(b),
    court to approve the issuance of a subpoena for the court’s         which states in relevant part:
    probation officer, Ms. Laura Jensen. The district court
    approved the issuance of that subpoena, but according to the          Extrinsic evidence of a prior inconsistent statement by a
    court’s local rules, a judge is required to determine whether,        witness is not admissible unless the witness is afforded
    and to what extent, a probation officer should be permitted to        an opportunity to explain or deny the same and the
    testify. S.D. Ohio Crim. R. 32.2(b). The rule further states,         opposite party is afforded an opportunity to interrogate
    in relevant part:                                                     the witness thereon, or the interests of justice otherwise
    require.
    (d) The Court shall authorize a Probation or Pretrial
    Services Officer to produce records or testify only if 1)
    Nos. 00-3617/3618/3741                    United States v.     39    40   United States v.                Nos. 00-3617/3618/3741
    Beverly, et al.                Beverly, et al.
    The district court determined that Crockett’s counsel had            Crockett indicated that he recognized the man. The district
    demonstrated a compelling need for such testimony and                court questioned the potential juror about whether he
    reviewed Crockett’s cross-examination of Rogers in order to          recognized anyone in the courtroom, but the man denied
    determine whether a proper foundation had been laid. On the          recognizing anyone. Based on this response, the court denied
    basis of that review, the court limited Crockett’s examination       the challenge for cause. Later, Crockett excused the same
    of the probation officer to matters relating to substance abuse      juror with his last peremptory strike.
    and prohibited Crockett from questioning the probation
    officer about information relating to Rogers’s mental and               Whether or not Crockett’s challenge for cause was
    emotional health.                                                    meritorious, the Supreme Court’s decision in United States v.
    Martinez-Salazar, 
    528 U.S. 304
     (2000), forecloses Crockett’s
    Crockett now contends that the district court’s decision to       claim. “[A] defendant’s exercise of peremptory challenges . . .
    limit the examination of probation officer Jensen denied him         is not denied or impaired when the defendant chooses to use
    a fair trial. He maintains that the district court could not first   a peremptory challenge to remove a juror who should have
    rule that there has been a particularized showing of a               been excused for cause.” 
    Id. at 317
    . See also United States
    compelling need for such disclosure, and that the information        v. Quinn, 
    230 F.3d 862
    , 865 (6th Cir. 2000). Furthermore,
    is necessary to meet the ends of justice, and then limit the         Crockett does not complain about the jurors who actually
    presentation of that evidence. Such contradictory rulings            decided the case and thus has failed to establish that he had an
    would violate the local rule that governed the hearing on Ms.        insufficient number of peremptory challenges to remove all
    Jensen’s trial testimony. However, Federal Rule of Evidence          of the jurors that he wished. Crockett suggests that it was
    613(b) states that extrinsic evidence of a prior inconsistent        necessary for the district court to have explicitly determined
    statement by a witness is not admissible if the witness has not      that Crockett would not have used his final peremptory
    had an opportunity to explain the prior inconsistency.               challenge for a noncurative purpose, yet he does not cite any
    Crockett’s lawyer failed to mention the pre-sentence report to       law in support of this proposition.
    Rogers in any context other than the latter’s denial of any
    substance abuse. The Federal Rules of Evidence preempt
    local court rules. Therefore, the judge correctly limited the
    probation officer’s testimony to the one topic that had been                         E. Prosecutorial Misconduct
    linked to Rogers’s pre-sentence report.
    Crockett contends that he is entitled to a new trial because
    of prosecutorial misconduct. In particular, Crockett points to
    a great many comments (seventy in total) made by the
    D. Challenge for Cause                            prosecutor during his closing argument, which Crockett
    considers to constitute improper vouching for government
    Crockett urges this court to hold that the district court          witnesses, improper testimony, improper commenting on
    abused its discretion in failing to excuse a potential juror for     Crockett’s failure to take the stand, misrepresentations of
    cause. Crockett stated a challenge for cause against a juror         evidence, bolstering of witnesses, and improper attacking of
    who had once worked at the London, Ohio Correctional                 Crockett’s legal counsel. Although some of the prosecutor’s
    Institution, where Crockett had previously been incarcerated.
    Nos. 00-3617/3618/3741                   United States v.    41    42   United States v.               Nos. 00-3617/3618/3741
    Beverly, et al.               Beverly, et al.
    statements are cause for concern, ultimately it does not appear    overall strength of the evidence against the accused. United
    that the prosecutor’s behavior amounts to reversible error.        States v. Green, 
    305 F.3d 422
    , 429-30 (6th Cir. 2002);
    Francis, 170 F.3d at 549-50 (citing United States v. Monus,
    Although Crockett lists a myriad of allegedly improper           
    128 F.3d 376
    , 394 (6th Cir. 1997)). In examining
    statements in his brief, his only objections at trial to the       prosecutorial misconduct, it is necessary to view the conduct
    prosecutor’s closing argument attacked the following               at issue within the context of the trial as a whole. See United
    statements:                                                        States v. Young, 
    470 U.S. 1
    , 12 (1985) (holding that it is
    critical to examine the statements at issue within the context
    And if you listen to the defense counsel, Agent                  of the entire record); Francis, 170 F.3d at 552 (noting that
    Trombitas has now become a co-conspirator along with             the determination of whether a prosecutor’s behavior
    Mr. Rogers and Mr. Warren because he gave them                   constitutes prejudicial error must be made in the context of
    information and set them up, things that they could tell.        the whole trial). The district court overruled Crockett’s
    Not only is Agent Trombitas an agent, but he’s become            objections with respect to the statements that appear above.
    a co-conspirator here by giving them information that            Crockett objects to the statement “why Mr. Crockett did what
    they can do. . . . Ladies and gentlemen, why Mr.                 he did, only he can answer,” as an impermissible comment on
    Crockett did what he did, only he can answer.                    his failure to testify. However, when viewed in context, that
    does not appear to have been the intent of the prosecutor’s
    And if either one of them [prosecution witnesses] get            statement. The sentences around the statement help to put it
    caught in a lie, they face the possibility of losing their       into perspective:
    plea agreement and doing the rest of their life in prison.
    We found another interesting concept of the law is if you
    Therefore, with the exception of these statements, which we          don’t run, you are not guilty. Ladies and gentlemen, why
    review de novo, we review Crockett’s objections for plain            Mr. Crockett did what he did, only he can answer. But
    error. See United States v. Jackson-Randolph, 
    282 F.3d 369
    ,          he figured probably he didn’t get arrested in ‘95 or ‘96,
    384 (6th Cir. 2002); United States v. Modena, 
    302 F.3d 626
    ,          so he was okay, that these guys haven’t snitched on him.
    634 (6th Cir. 2002).
    It appears that the prosecutor was responding to defense
    We review allegations of prosecutorial misconduct under a       counsel’s characterization that “the government says this man
    two-step process. First we decide if the statement was             robbed four banks, he stuck around Columbus for five years,
    improper; if the answer to that question is yes, we must           he waited as his buddies . . . made deals, ignored Trombitas’s
    consider whether the statement was “flagrant.” United States       offer and then counted on twelve white folks to set him free.”
    v. Francis, 
    170 F.3d 546
    , 549 (6th Cir. 1999). To determine        It was completely proper for the prosecutor to counter defense
    if the statements here reaches that level, effectively rendering   counsel’s seemingly plausible theory that Crockett would not
    Crockett’s trial fundamentally unfair, this court considers the    have stayed in the area, had he actually been guilty of the
    following factors: 1) whether the remarks tended to mislead        robberies.
    the jury or to prejudice the accused; 2) whether the remarks
    were isolated or extensive; 3) whether the remarks were               From the trial transcript, we can infer that Crockett’s
    deliberately or accidentally placed before the jury; and 4) the    attorney objected to the comment about Agent Trombitas
    Nos. 00-3617/3618/3741                  United States v.    43    44   United States v.               Nos. 00-3617/3618/3741
    Beverly, et al.               Beverly, et al.
    because he felt it was an unfair characterization of his          amounting to error, the error was not reversible under plain-
    argument to the jury. This comment is simply a rhetorical,        error review since “[v]iewed in context, the prosecutor’s
    albeit somewhat florid, argument that the testimony of Agent      statements . . . were not such as to undermine the fundamental
    Trombitas could only be discounted if the jury believed that      fairness of the trial and contribute to a miscarriage of
    he was in fact conspiring with the prosecution witnesses by       justice”). None of the remaining comments could be
    providing them with information that they otherwise only          characterized as misconduct that “so infected the trial with
    could have known if Crockett had indeed been conspiring           unfairness as to make the resulting conviction a denial of due
    with them. This is certainly a possible inference from the        process.” Hill v. Brigano, 
    199 F.3d 833
    , 847 (6th Cir. 1999).
    defense argument, and there was no impropriety in the             This claim is without merit.
    prosecutor’s rhetorical means of countering it. See Green,
    
    305 F.3d at 430
     (stating that rhetorical questions are                                        VIII
    permissible).
    For the reasons given above, we AFFIRM the convictions
    The final complaint is somewhat more valid. No evidence        of Crockett, Beverly, and Turns.
    had been introduced demonstrating that if Rogers and Warren
    were shown to be lying that they could spend “the rest of their
    life in prison.” Both had testified that they had a plea
    agreement, which required them to testify truthfully. The jury
    could certainly infer that there would be the potential for
    serious consequences if the witnesses lied, but the prosecutor
    technically went beyond what had been presented as evidence
    by stating they would go to prison for life. However, the
    remark does not meet the standards for reversal set out in
    Green. The remark did not mislead the jury, nor prejudice the
    accused. It was an isolated, extravagant remark that asserted
    slightly more than could be supported in the record. Finally,
    in the case of Crockett, who is the only defendant who
    objected to this particular remark, the evidence of his guilt
    was indeed overwhelming, including in particular the
    damning photograph, as well as the consistent testimony of
    Rogers and Warren, which the jury accepted with respect to
    each of the defendants. Considering all of these factors, we
    cannot say that this prosecutorial conduct constituted
    reversible error.
    We review the remaining sixty-eight comments for plain
    error. See Young, 
    470 U.S. at 14, 16
     (1985) (holding that
    although the prosecutor had made improper statements