Azariah Israel & Ronald Marquet Cheadle v. United States , 2014 D.C. App. LEXIS 516 ( 2014 )


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    DISTRICT OF COLUMBIA COURT OF APPEALS
    Nos. 09-CF-687, 09-CF-772, 09-CF-773,
    13-CO-1391, 13-CO-1392 & 13-CO-1393
    AZARIAH ISRAEL & RONALD MARQUET CHEADLE, APPELLANTS,
    V.
    UNITED STATES, APPELLEE.
    Appeals from the Superior Court
    of the District of Columbia
    (CF1-15431-07, FEL-1573-03 & CF1-20622-08)
    (Hon. Frederick H. Weisberg, Trial Judge)
    (Argued November 9, 2012                          Decided November 26, 2014)
    Jonathan S. Zucker, with whom Patricia Daus was on the briefs, for
    appellant Israel.
    Quin M. Sorenson, with whom David M. Schilling, Kristen Mann, David W.
    DeBruin, and Ishan K. Bhabha were on the briefs, for appellant Cheadle.
    Sarah T. Chasson, Assistant United States Attorney, with whom Ronald C.
    Machen Jr., United States Attorney, Roy W. McLeese III, then Assistant United
    States Attorney, and Elizabeth Trosman, Chrisellen R. Kolb, John P. Mannarino,
    Shana Fulton, Deborah L. Sines, Amanda Haines, Kathryn Rakoczy, and Peter S.
    Smith, Assistant United States Attorneys, were on the briefs, for appellee.
    Before WASHINGTON, Chief Judge, THOMPSON, Associate Judge, and PRYOR,
    Senior Judge.
    2
    THOMPSON, Associate Judge: Following a seven-week jury trial, appellants
    Ronald Marquet Cheadle and Azariah Israel were convicted of murder, robbery,
    conspiracy, obstruction of justice, and weapons charges.1 After the trial court
    denied their motions for new trials, they filed these consolidated appeals, in which
    we consider claims that the trial court (1) erred in rejecting appellants’ claim that
    African Americans were underrepresented in and systematically excluded from
    jury venires at the time appellants’ petit jury was selected (the “fair cross-section
    claim”); (2) allowed improper rebuttal argument by the prosecutor; (3) improperly
    removed a juror during deliberations (the “juror removal claim”); (4) erroneously
    denied Israel’s motion for a new trial after joinder was shown to have been
    prejudicial; and (5) erred in denying Cheadle’s new-trial motion premised on a
    claim that the weight of the evidence did not support the jury’s verdicts.
    1
    The jury found Cheadle guilty of first-degree murder while armed (felony
    murder) (Asheile George), premeditated first-degree murder while armed with
    aggravating circumstances (Elias Atkins), premeditated first-degree murder while
    armed (Pierre Johnson), armed robbery of Tamara Wilson, attempted robbery (of
    Asheile George) while armed, conspiracy to obstruct justice, obstruction of justice,
    five counts of possession of a firearm during a crime of violence or dangerous
    offense (“PFCV”), and carrying a pistol without a license (“CPWL”). The jury
    found Israel guilty of first-degree murder while armed (Pierre Johnson), conspiracy
    to obstruct justice, obstruction of justice, PFCV, and CPWL.
    3
    Following oral arguments before this court in November 2012, we remanded
    the cases for additional proceedings related to appellants’ fair cross-section and
    juror removal claims.     The Superior Court issued its Findings of Fact and
    Conclusions of Law on Remand in November 2013. Thereafter, the parties filed
    supplemental briefs as to both claims, completing the briefing on April 1, 2014.
    Having reviewed the trial court’s supplemental findings and considered the
    arguments raised in appellants’ initial and supplemental briefs, we now affirm the
    judgments of conviction and the denial of appellants’ new-trial motions.
    I.   Background
    The charges on which appellants were tried relate to the murders of Asheile
    George, Elias Atkins, and Pierre Johnson. The government alleged that the Atkins
    and Johnson murders were committed pursuant to a conspiracy to obstruct justice
    by silencing witnesses who might provide inculpatory testimony about Cheadle’s
    role in the murder of George and then of Atkins.
    A.     The Asheile George Murder
    4
    The government presented evidence that, on September 14, 2002, Cheadle,
    Atkins, and Michael Craig committed an armed robbery and an attempted armed
    robbery in the 500 block of Kenyon Street, N.W. Government witnesses testified
    that the three men approached Kenyon Street driving in a van, confronted a group
    of men (including George) who were playing a game of craps on the street, and
    “stuck everybody up[,]” and that Atkins and another robber then crossed the street
    to rob another group of people who were sitting in a car. A gun battle ensued after
    one of the victims began to defend himself, and six people, including Cheadle and
    George, were shot. George eventually died of his wounds. Renee Beach, the
    mother of Cheadle’s child, acknowledged at trial that she testified before the grand
    jury that Cheadle told her that he had been shot while walking to his car on
    Kenyon Street. The jury also heard the grand jury testimony of Cheadle’s friend
    Michael Matthews, who testified that Cheadle told him that the injury occurred
    when Cheadle “went on a mission to rob somebody[.]”
    B.    The Elias Atkins Murder
    According to Michael Matthews’s grand jury testimony, in the months
    following the Kenyon Street robbery, Cheadle became concerned about the
    possibility that Atkins “might tell.” On March 11, 2003, six months after the
    5
    Kenyon Street incident, Cheadle and Matthews visited Atkins at the apartment of
    Arlene Morris, where Atkins was staying. During the visit, Cheadle, Matthews,
    and Atkins conferred in Morris’s son’s bedroom, while Morris was in another
    room. Morris testified that, shortly thereafter, she heard shots being fired in her
    son’s room. She looked out into the hallway and saw Matthews fleeing from her
    son’s room with nothing in his hands. After hearing more gunshots coming from
    her son’s room, she hid in a closet, emerging later to find Atkins’s body on the
    floor. Matthews told the grand jury that he saw Cheadle pull out a gun and ran out
    of the apartment after he heard a shot. Cheadle later told Matthews that he
    (Cheadle) shot Atkins again after Atkins ran out of the room and that Matthews
    should “say nothing” about the incident.
    C.    The Pierre Johnson Murder
    On March 14, 2003, Cheadle was arrested for the Atkins murder and
    thereafter was housed in the same area of the D.C. Jail as his childhood friend
    Pierre Johnson. Appearing before a grand jury in May 2003, Johnson testified that,
    while he and Cheadle were incarcerated together, Cheadle confessed to killing
    Atkins. At approximately 1:30 a.m. on October 10, 2004, Johnson was shot and
    killed near the corner of 14th and V streets, N.W.       George Haynes, another
    6
    childhood friend of Cheadle, testified that he was standing with some friends
    outside a gas station nearby when he saw Israel emerge from behind some cars
    wearing a mask that covered the lower portion of his face. Haynes testified that
    Johnson started to flee as soon as he spotted Israel, but that Israel fired five or six
    shots at the fleeing Johnson before running through an alley away from the scene.
    Haynes testified that he “understood that [Johnson] was going to get killed because
    he was telling” about Cheadle’s involvement in the Atkins murder and that Israel
    had told him he was going to kill Johnson. Haynes further testified that, after
    Johnson had been killed, Israel approached Haynes and another man and asked
    them if they had seen “his work” and clarified that he was referring to the Johnson
    murder. About a week after Johnson was murdered, Israel told Haynes that men
    known as “Little MoMo” and “Little Clay” were also to be killed because they
    were “telling on” Cheadle for the Atkins murder.
    D.    Obstruction of Justice with Respect to Matthews
    During the time period between the Atkins murder and the Johnson murder,
    while Cheadle and Johnson were still in jail together, Michael Matthews began
    cooperating with the government. On March 15, 2003, he gave a videotaped
    statement describing the Atkins shooting, and on March 17, 2003, he testified
    7
    before the grand jury. In May and June of 2004, Matthews visited Cheadle several
    times at the D.C. Jail and had conversations with Cheadle that were recorded by
    the jail. After those jail visits, Matthews went missing, failing to appear to testify
    in Cheadle’s trial, which was scheduled to start in July of 2004 but had to be
    delayed after Matthews could not be found. At appellants’ trial in 2009, Matthews
    claimed to have no memory of Atkins’s murder even though he had given details
    about it to the grand jury.
    II.   Analysis
    A.   The Fair Cross-Section Claim
    Cheadle filed a pre-trial motion in which he sought an opportunity for
    discovery on jury selection procedures, arguing that the District’s jury selection
    process “systematically excludes and underrepresents African Americans in
    violation of both the United States Constitution and the District of Columbia Jury
    System Act.” The trial court denied the motion, a ruling that both appellants
    challenged in their opening briefs on appeal. The government conceded in its brief
    that the trial court’s summary denial of the motion was improper in light of this
    court’s opinion in Gause v. United States, 
    6 A.3d 1247
    (D.C. 2010) (en banc), and
    8
    agreed that the case should be remanded for the court to consider the scope of
    discovery to which appellants were entitled. Accordingly, in November 2012, we
    remanded the cases to the Superior Court with instructions to “consider and decide
    the scope of any discovery on jury-selection methods to which appellants are
    entitled, and . . . [to] entertain any motion appellant(s) may bring challenging the
    jury selection procedure used in connection with the trial[.]”
    While the cases were on remand, and pursuant to the discovery motion,
    appellants received from the Superior Court Juror Office a spreadsheet containing
    self-reported race data for 344,241 potential jurors to whom summonses were sent
    between October 2008 and May 2010. Appellants also had the opportunity to
    interview Superior Court Juror Officer Suzanne Bailey-Jones. Thereafter, relying
    on an analysis by Howard University Professor of Economics Dr. Richard Seltzer,
    Cheadle moved for a new trial,2 alleging that the jury-selection procedure used for
    his trial violated the Sixth Amendment and the Jury System Act because African
    Americans were underrepresented in jury venires at the time his petit jury was
    2
    Although only Cheadle moved for a new trial, we granted Israel’s request
    to join Cheadle’s briefs on appeal. We therefore treat the fair cross-section claim
    as having been raised by both appellants.
    9
    selected in 2009. In opposing the motion, the government relied on an analysis by
    statistician Dr. Bernard Siskin.
    The experts proposed two benchmarks as points of comparison with the
    Juror Office data: (1) Figures from the 2010 Census (adjusted to exclude
    individuals under age eighteen), from which Dr. Seltzer estimated that African
    Americans comprised slightly more than 47.6 percent of the District’s adult
    population in 2010 and Dr. Siskin estimated that the same group made up 48.89
    percent of the District’s adult population in that year; and (2) data from the 2005-
    2009 American Community Survey (an ongoing statistical survey prepared by the
    Census Bureau that gathers and publishes population information for non-census
    years), from which the experts estimated that 50.9 percent of the District’s adult
    population was African American in 2009.3
    3
    The experts’ reports do not discuss whether, as suggested in a law review
    article on which appellants’ rely, a more appropriate “baseline for assessing
    demographic representation in the jury pool . . . is the jury-eligible population
    [which typically excludes, e.g., individuals who have felony convictions] rather
    than the total population.” Paula Hannaford-Agor, Systematic Negligence in Jury
    Operations: Why the Definition of Systematic Exclusion in Fair Cross Section
    Claims Must be Expanded, 59 DRAKE L. REV. 761, 786 (2011).
    10
    Dr. Seltzer’s analysis of the Juror Office data focused on the percentage of
    African Americans among the qualified potential jurors who actually reported for
    service (“the venires”).4 Dr. Seltzer found that, during the weeks between October
    1, 2008 and February 2, 20095 — i.e., the weeks leading up to appellants’ trial —
    an average of 37.3 percent of the qualified jurors who reported for duty were
    African American. Dr. Seltzer further found that, on the two days on which
    appellants’ trial jury was selected — February 2 and 3, 2009 — 37.4 percent of the
    qualified jurors who reported for any venire were African American, and that, of
    the 128 jurors who made up the venires from which appellant’s petit jury was
    selected, 38.6 percent were African American. When these statistics are compared
    to the 47.6 and 50.9 percent benchmarks Dr. Seltzer described, they suggest that
    African Americans were underrepresented among qualified jurors who reported for
    duty. Stated differently, Dr. Seltzer’s data suggest that during the four months
    4
    Except where noted, our references in the description that follows are to
    findings that reflect (1) the experts’ use of a technique called “geocoding,” which
    entails using zip codes to impute the races of venire persons who declined to self-
    report their race, and (2) a process whereby venire persons who were identified as
    “Hispanic” in Juror Office records were apportioned among other racial groups
    according to the percentages at which individuals who identified themselves as of
    Hispanic origin in the Census data identified themselves as belonging to those
    racial groups.
    5
    These were the only weeks for the time period before appellants’ trial for
    which data were provided.
    11
    immediately preceding February 2009, African Americans were underrepresented
    on the venires by over 10 percentage points (and by as much as 15.6 percentage
    points based on use of Dr. Seltzer’s non-geocoding-adjusted estimate that only
    35.3 percent of qualified reporting jurors during this period were African
    American).6
    Dr. Siskin focused his analysis on the percentage of African Americans
    among individuals who were on the Master Jury Wheel (i.e., the list from which
    the Juror Office draws prospective jurors) and were sent summonses during the
    period covered by the Juror Office data.       He found that African Americans
    constituted 53.4 percent of the 344,241 prospective jurors who were sent a
    summons between October 1, 2008, and May 27, 2010, and 50.2 percent of the
    63,044 potential jurors who were sent a summons during the four-month period
    before appellants’ trial, i.e., the period from October 1, 2008, to January 31, 2009.
    When these statistics are compared to the 48.89 percent and 50.9 percent
    benchmarks Dr. Siskin described, they suggest that African Americans may have
    been overrepresented, by between 2.5 and 4.5 percentage points, among those sent
    6
    Dr. Seltzer’s findings indicate that during the full twenty-month period
    covered by the Juror Office data, African Americans were underrepresented among
    qualified jurors who reported for duty by at least 8.4 percentage points and by as
    much as 12.9 percentage points.
    12
    summonses between October 1, 2008, and May 27, 2010, but may have been
    underrepresented, by as much as 1 percentage point, among those sent summonses
    during the four months preceding February 2009.
    Dr. Siskin also calculated the representation of African Americans among
    the qualified jurors who reported for service, finding that, over the four-month
    period preceding February 2009, 37.5 percent of the qualified venirepersons who
    reported and were not selected as jurors — and 40 percent of those who were
    selected as jurors — were African American. He further found that over the full
    twenty-month period covered by the Juror Office data, 39.3 percent of the qualified
    venirepersons who reported and were not selected as jurors — and 41.7 percent of
    those who were selected as jurors — were African American. Compared to the
    48.89 percent benchmark, the twenty-month data indicate underrepresentation by
    less than ten percentage points.7
    In his November 2013 Findings of Fact and Conclusions of Law on
    Remand, Judge Weisberg rejected appellants’ fair cross-section challenge,
    concluding that appellants had failed to show “that African Americans are
    7
    Dr. Siskin also found that African Americans made up between 50 and 60
    percent of appellants’ actual trial jury (depending on whether geocoding is applied
    to impute the races of the four jurors who did not report their race).
    13
    underrepresented on the Master Jury Wheel relative to their number in the
    population at-large” and also did not show “that their claimed underrepresentation
    either on the Master Jury Wheel or in the pool of those who report[ed] for service
    is caused by systematic exclusion.”      Agreeing with the government that the
    relevant focus of analysis was not the representation of African Americans in the
    venires of prospective jurors who reported for service, but rather their
    representation on the Master Jury Wheel, Judge Weisberg first found that Cheadle
    had shown a non-existent or no more than de minimis — thus constitutionally
    insignificant — underrepresentation of African Americans on the Master Jury
    Wheel. Further, citing Dr. Siskin’s finding that the alleged underrepresentation of
    African Americans in the pool of jurors who reported for service “dropped below
    10% when [Dr. Siskin] looked at the entire twenty-month period for which data
    were available[,]” Judge Weisberg found it likely that the underrepresentation “was
    less than 10%, which most courts would consider undesirable, but not of
    constitutional significance.”8 He also found that, even accepting Cheadle’s focus
    on the venires during the four-month period leading up to appellants’ trial, Cheadle
    8
    See, e.g., United States v. Rodriguez, 
    776 F.2d 1509
    , 1511 (11th Cir. 1985)
    (“this circuit has consistently found that a prima facie case of underrepresentation
    has not been made where the absolute disparity . . . does not exceed ten percent.”);
    see generally Hannaford-Agor, supra note 3, at 767-68 (“Most courts that have
    adopted absolute disparity as the primary measure of underrepresentation have
    ruled that absolute disparities less than 10% are insufficient as a matter of law to
    demonstrate a violation of the fair cross section requirement.”).
    14
    failed to show that any underrepresentation that did exist was the result of
    systematic exclusion of African Americans by the court rather than the result of
    “race-neutral economic and socioeconomic factors[.]”
    Appellants argue that Judge Weisberg erred in accepting the government’s
    argument that the relevant focus for measuring proportionate representation was
    the Master Jury Wheel rather than the venires from which petit juries were
    selected, and also erred by reasoning that the Superior Court’s failure to take
    affirmative steps to remedy the underrepresentation of African Americans on the
    venires did not constitute “systematic exclusion” within the meaning of Duren v.
    Missouri, 
    439 U.S. 357
    (1979).9 Our review is de novo.10
    9
    Appellants also argue that Judge Weisberg erred by relying on data drawn
    in part from the sixteen months that followed the selection of appellants’ trial jury.
    We need not address this contention at any length because, as discussed infra, our
    disposition of the fair cross-section claim is based on appellants’ failure to show
    systematic exclusion of African Americans in the jury-selection process rather than
    on differences between what the data show for the four-month pre-trial period and
    for the longer period covered by the Juror Office data. We do note, however, that
    at least in some circumstances, looking to data for a longer rather than a shorter
    time period may assist a defendant in demonstrating systematic exclusion. See,
    e.g., 
    Duren, 439 U.S. at 366
    (petitioner’s “undisputed demonstration that a large
    discrepancy occurred not just occasionally, but in every weekly venire for a period
    of nearly a year manifestly indicates that the cause of the underrepresentation was
    systematic—that is, inherent in the particular jury-selection process utilized”).
    Appellants also make a passing assertion on appeal, as they did in their trial
    motion, that the District’s jury-selection practices violate the Jury System Act,
    (continued…)
    15
    The Sixth Amendment to the U.S. Constitution establishes the fair cross-
    section requirement: It guarantees criminal defendants the “right to be tried by an
    impartial jury drawn from sources reflecting a fair cross section of the
    community.”     Berghuis v. Smith, 
    559 U.S. 314
    , 319 (2010) (citing Taylor v.
    Louisiana, 
    419 U.S. 522
    (1975)). A defendant who alleges a violation of the Sixth
    Amendment’s fair cross-section requirement bears the burden of showing:
    (1) that the group alleged to be excluded is a “distinctive”
    group in the community; (2) that the representation of
    (…continued)
    D.C. Code § 11-1901 to 1918 (2012 Repl.) (“the Act”), which provides that “[a]ll
    litigants entitled to trial by jury shall have the right to grand and petit juries
    selected at random from a fair cross section of the residents of the District of
    Columbia.” D.C. Code § 11-1901. Our case law establishes that “[t]he focal point
    for deciding whether [a jury-selection] system substantially complies with the
    requirements of the Act . . . is . . . the original source list from which names are
    selected for potential service.” Obregon v. United States, 
    423 A.2d 200
    , 208-09
    (D.C. 1980). Because appellants have failed to present any evidence regarding
    exclusion of African Americans from the lists used to compile the Master Jury
    Wheel, and because they have otherwise not explained their argument regarding
    the Act, we treat the argument as abandoned. See Bardoff v. United States, 
    628 A.2d 86
    , 90 n.8 (D.C. 1993) (“questions raised but not argued in briefing are
    treated as abandoned” (citing Cratty v. United States, 
    163 F.2d 844
    , 851 (D.C. Cir.
    1947)).
    10
    See United States v. Orange, 
    447 F.3d 792
    , 797 (10th Cir. 2006)
    (explaining that a trial court’s factual determinations relevant to a fair cross-section
    claim are reviewed for clear error while its legal determination of whether a prima
    facie violation of the fair cross section requirement has been shown is reviewed de
    novo).
    16
    this group in venires from which juries are selected is not
    fair and reasonable in relation to the number of such
    persons in the community; and (3) that this
    underrepresentation is due to systematic exclusion of the
    group in the jury-selection process.
    
    Duren, 439 U.S. at 364
    . “The fair-cross-section principle must have much leeway
    in application[,]” 
    Berghuis, 559 U.S. at 321
    (quoting 
    Taylor, 419 U.S. at 537-38
    ),
    and “neither Duren nor any other decision of th[e] Court specifies the method or
    test courts must use to measure the representation of distinctive groups in jury
    pools[.]” 
    Id. at 331;
    see also United States v. Rioux, 
    97 F.3d 648
    , 657 (2d Cir.
    1996) (“The relevant jury pool may be defined by: (1) the master list; (2) the
    qualified wheel; (3) the venires; or (4) a combination of the three. The time period
    may be defined as: (1) the day the district selected Rioux’s jury pool; or (2) some
    broader timeframe, perhaps over the life of the wheel.”).       We think it plain,
    however, that a showing of constitutionally significant underrepresentation of a
    distinct group in either the Master Jury Wheel or the venires that were composed
    during a certain period can satisfy the second Duren prong. Further, a jury-
    selection mechanism that systematically operates to exclude a distinctive group
    from venires that are drawn from a representative master jury wheel would violate
    the Sixth Amendment guarantee no less than a system under which a distinctive
    group is systematically excluded from the master jury wheel. See 
    Taylor, 419 U.S. at 538
    (“[T]he jury wheels, pools of names, panels, or venires from which juries
    17
    are drawn must not systematically exclude distinctive groups in the community”).
    Therefore, it would have been error for Judge Weisberg to end his analysis upon
    concluding that African Americans were adequately represented on the Master
    Jury Wheel during the time period involved here.
    Judge Weisberg did not end his analysis there, however; instead, he went on
    to consider the data showing an underrepresentation of African Americans among
    the jury venires during the four-month period before appellants’ trial and
    information about the jury-selection system.       For the reasons that follow, we
    discern no error in his conclusion that Cheadle failed to show that the
    underrepresentation was due to systematic exclusion of African Americans in the
    jury-selection process.
    In addition to submitting to the court Dr. Seltzer’s analysis of Juror Office
    data, Cheadle submitted a copy of the District’s Jury Plan and information from the
    interview of Juror Officer Bailey-Jones.     On the basis of those sources, he
    informed the court that when a prospective juror responds to a summons but fails
    to appear for duty, the Juror Office undertakes a series of measures designed to
    result in the prospective juror’s service: First, the Juror Office sends a letter
    notifying the potential juror that he or she has missed the scheduled service and
    18
    prompting him or her to schedule another date to serve. If there is no response, the
    Juror Office sends a notice requiring the juror to appear and to “show cause” for
    the failure to report; and, if there is still no response, a bench warrant is issued and
    a criminal case is initiated against the absentee juror, who is typically assessed a
    fine of $25.    In the case of a potential juror whose summons is returned as
    undeliverable, or a potential juror who both fails to return the summons and fails to
    appear for service, the Juror Office’s practice is to take no further action,
    reasoning, in the words of Juror Officer Bailey-Jones, “[w]hy send good mail after
    bad?”
    The expert reports that were before the court indicated that African
    Americans were overrepresented among those whose summonses were returned to
    the Juror Office as undeliverable, as well as among those who failed to respond to
    a summons for an unknown reason.11 Appellants argued that evidence regarding
    the Juror Office’s failure to take corrective action in response to the
    11
    Dr. Seltzer found that African Americans constituted 58.9 percent of the
    potential jurors who did not respond to a summons for an unknown reason, and
    49.1 percent of the potential jurors whose summonses were returned to the Juror
    Office as undeliverable. Using a geocoding methodology different from the one
    Dr. Seltzer employed, Dr. Siskin found that 64 percent of those who failed to
    respond to a summons for an unknown reason during this period were African
    American and that 52.2 percent of summonses that were returned as undeliverable
    over this period had been sent to African Americans.
    19
    disproportionately high rate at which African Americans failed to respond to jury
    summonses supported a conclusion that the underrepresentation of African
    Americans was “due to systemic exclusion of the group in the jury-selection
    process.” In rejecting that argument, Judge Weisberg reasoned that “[t]he court
    can control to whom it sends jury summonses, but it cannot control who responds.”
    As we have explained, “a statistical showing alone, without some analysis of
    the particular system involved, is [in]sufficient to prove systematic exclusion.”
    Diggs v. United States, 
    906 A.2d 290
    , 297-98 (D.C. 2006) (quoting 
    Obregon, 423 A.2d at 206
    ) (rejecting argument that the third Duren prong was satisfied “by
    merely showing that a high comparative disparity existed over a long period of
    time and that the underrepresentation probably did not happen by chance”).
    Although both parties presented statistical documentation of the less-than-
    satisfactory representation of African Americans on jury venires over the period
    studied, no evidence was presented to show that this was the result of any policy or
    practice that could be deemed to constitute systematic exclusion of African
    Americans from jury service within the meaning of Duren (or, analogous to the
    facts of Duren,12 a system-sanctioned opportunity for African Americans to
    12
    In Duren, the Supreme Court considered Missouri procedures that
    allowed women to remove their names from the master jury wheel and to opt out
    (continued…)
    20
    exclude themselves from jury service).13       The underrepresentation of African
    Americans appears to be attributable to external factors — undeliverable mail or
    the choices of individual prospective jurors not to respond to their summonses or
    not to appear for service — not to systematic exclusion existing in the jury-
    selection process. Cf. 
    Orange, 447 F.3d at 800
    (“Discrepancies resulting from the
    private choices of potential jurors do not represent the kind of constitutional
    infirmity contemplated by Duren.”); 
    Rioux, 97 F.3d at 658
    (“There is systematic
    exclusion when the underrepresentation is due to the system of jury selection itself,
    rather than external forces. The inability to serve juror questionnaires because they
    were returned as undeliverable is not due to the system itself, but to outside forces,
    such as demographic changes.”). Further, appellants presented no evidence that
    (…continued)
    of jury service upon receipt of a summons. 
    See 439 U.S. at 361-62
    , 362 n.14. The
    result of those procedures, which the Court held were unconstitutional, was that the
    percentage of women in the jury pool was reduced from 26.7% (of the master jury
    wheel) to approximately 15% of the venire from which Duren’s jury was selected.
    
    Id. at 365-67.
          13
    Nor have appellants claimed that the Superior Court’s policies “made
    social or economic factors relevant to whether a[] . . . juror would be excused from
    service[.]” Hannaford-Agor, supra note 3, at 776-77 (referring to People v. Smith,
    
    615 N.W.2d 1
    , 12-13 (Mich. 2000), involving a juror-excusal policy that “routinely
    granted excusal requests for hardship due to loss of income, lack of transportation,
    and lack of childcare, which disproportionately released African-Americans from
    jury service”).
    21
    the Juror Office’s policies and practices in any other way encouraged African
    Americans to avoid or to be absent from jury service.
    Appellants suggest a number of steps that the Juror Office might have taken
    to address the underrepresentation of African Americans in juror venires. For
    example, they note that some jurisdictions have adopted a practice of responding to
    each summons returned as undeliverable by mailing a summons to an additional
    resident from the same neighborhood or zip code.14 That and other measures used
    by other jurisdictions may well deserve the attention of our Juror Office, but we
    cannot say that they are constitutionally required. Indeed, as the Second Circuit
    noted in 
    Rioux, 97 F.3d at 659
    , such a targeting might well be objectionable “since
    it would undermine the randomness of selection—an attribute of jury selection that
    is keenly desired.” In addition, without knowing how the source lists that those
    jurisdictions draw on for the pool of prospective jurors compare to the wide range
    of sources used in our jurisdiction,15 we have no basis for concluding that
    14
    See Courts Try to Maximize Jury Diversity, The Third Branch (July
    2007), available at http://www.uscourts.gov/news/TheThirdBranch/07-07-
    01/Courts_Try_to_Maximize_Jury_Diversity.aspx (last visited November 20,
    2014).
    15
    Section 2 of the Jury Plan for the Superior Court of the District of
    Columbia specifies the lists from which the Master Jury Wheel is created: the list
    of voters registered in the District of Columbia; the list of drivers, eighteen years or
    (continued…)
    22
    corrective measures of the type they employ are equally needed or appropriate
    here.
    B.    The Prosecutor’s Rebuttal Argument
    Israel’s claim relating to the prosecutor’s rebuttal argument is based in part
    on comments the prosecutor made when discussing the testimony by Henrietta
    Taylor, Pierre Johnson’s mother. The prosecutor said:
    She wouldn’t even look at [appellants]. Can you identify
    them? She wouldn’t look over at them. . . . Why is it,
    ladies and gentlemen, that every single witness that came
    here in front of you came kicking and screaming?
    Continuing, the prosecutor said:
    What is it about Columbia Heights, whether it’s up on
    Clifton, W, or . . . V Street, what is it about what happens
    (…continued)
    older, licensed in the District; the list of residents of the District, eighteen years or
    older, who have received a non-driver’s identification card from the District; the
    most recent list of individuals to whom District personal income tax forms have
    been sent by the D.C. Department of Finance and Revenue, as well as the most
    recent list of individuals who have filed personal income tax forms in the District;
    the most recent list of individuals who have qualified to receive any type of public
    assistance benefits in the District; the most recent list of persons who have become
    naturalized citizens in the District since the previous master jury list was created;
    and “such other source lists as may become available.”
    23
    to snitches on this witness stand? . . . Why is it so hard to
    say, yeah, yeah, I saw him do it; yeah, he did it; yeah,
    that was him over there? Why is it that not one person —
    risking arrest, risking careers, why do they all have to be
    in here, bound, dragged in, under arrest, all of them,
    why? . . . On this evidence, ladies and gentlemen, on this
    evidence, nobody wants to be a witness. Nobody gains
    anything from falsely accusing Marquette Cheadle or
    Azariah Israel. Now, think about that. It’s bad enough,
    using your common sense, if you snitch, if you tell, if
    you look either one of them in the eyes and say, yeah, I
    saw what you did, I heard what you said. That’s bad
    enough.
    Now, imagine putting yourself in a position where —
    say, oh I killed [Atkins], and I get up and tell everybody
    [Cheadle] did it. Or I killed [Pierre Johnson]. And I tell
    everybody, [Israel] did it. What possible — what —
    what are these folks going to gain? That’s a death
    sentence. . . . We submit there’s no reason for anybody to
    falsely accuse either Mr. Cheadle or Mr. Israel of these
    crimes.
    Israel asserts that it plainly was not true that every witness came in “kicking and
    screaming,”16 and that the “clear implication” of the prosecutor’s remarks was that
    16
    As Israel notes, despite the prosecutor’s rhetorical flourish, many
    witnesses, including the various police officers, Assistant United States Attorneys,
    and medical and forensic experts, had no apparent reluctance to testify.
    Israel’s opening brief acknowledges, however, that several of the
    government’s witnesses “refused to answer questions at trial by claiming a lack of
    memory of the events they witnessed and [had] testified about before the grand
    jury. All tried to avoid testifying[,] and all had material witness warrants issued to
    secure their appearance.” As the government’s brief summarizes, two witnesses to
    the Kenyon Street robbery had to be arrested to procure their testimony; another
    (continued…)
    24
    Taylor and certain other witnesses were reluctant to testify because they feared
    appellants, even though there was no evidentiary basis for such argument. Citing
    Murray v. United States, 
    855 A.2d 1126
    (D.C. 2004), Israel argues that the
    prosecutor’s remarks were improper and were designed to arouse the passion of
    jurors, and that the trial court erred by allowing the remarks. See 
    id. at 1132
    (“evidence concerning a witness’ fear tends to be extremely prejudicial” because it
    “suggests the witness fears reprisal at the hands of the defendant or his associates if
    she testifies.”) (internal quotation marks and alterations omitted).
    It is true that, because of the risk of unfair prejudice to defendants,
    “argument by prosecutors about witness fear—especially fear of the defendants on
    trial—must be the limited exception rather than the rule.” 
    Murray, 855 A.2d at 1133
    .     However, while an argument that a witness fears reprisal from the
    defendant(s) is highly prejudicial, we have also held that questioning or argument
    about a witness’s generalized fear of reprisal from his community for violating
    norms against testifying in criminal cases is permissible. Carter v. United States,
    (…continued)
    witness to the Kenyon Street robbery testified evasively; Atkins’s girlfriend falsely
    claimed to be in Miami and came to court only after a detective threatened to
    obtain a warrant for her arrest; Matthews claimed on the witness stand that he had
    no memory of Atkins’s murder even though he gave details about it to the grand
    jury; and Morris had an “equally spectacular failure of memory[.]”
    25
    
    614 A.2d 913
    , 917-18 (D.C. 1992) (distinguishing between prosecutorial questions
    that insinuate that the defendant was intimidating the witness, which have a strong
    prejudicial effect, and questions that suggest that “other people” “on the street”
    might intimidate the witness, which generally do not give rise to unfair prejudice
    sufficient to undermine the basic fairness of the proceeding); see also Clayborne v.
    United States, 
    751 A.2d 956
    , 964 (D.C. 2000) (allowing cross-examination about
    witness’s fear of “be[ing] known as a snitch”).
    In this case, we are not persuaded that the prosecutor’s comments were
    inappropriate.17 “[A] court should not lightly infer that a prosecutor intends an
    ambiguous remark to have its most damaging meaning or that a jury, sitting
    through lengthy exhortation, will draw that meaning from the plethora of less
    damaging interpretations.” Donnelly v. DeChristoforo, 
    416 U.S. 637
    , 647 (1974).
    It is far from apparent that jurors would have understood the prosecutor’s “kicking
    and screaming” remarks to suggest that the various witnesses’ reluctance to testify
    17
    See Carpenter v. United States, 
    635 A.2d 1289
    , 1295 (D.C. 1993)
    (explaining that, in evaluating a claim of trial court error, we must first determine
    the prosecutor’s comments constituted misconduct) (citing Hammill v. United
    States, 
    498 A.2d 551
    , 554 (D.C. 1985)).
    26
    was the result of their fear of reprisal by Israel.18 To the contrary, in the context of
    the prosecutor’s references to Columbia Heights and Clifton, W, and V Streets, the
    prosecutor’s “kicking and screaming” remarks appear to have been a reference to
    the community ethos against “snitching” or cooperating with the government. So
    understood, the prosecutor’s remarks told the jury why it should credit the secret
    grand jury testimony of a reluctant witness such as Morris rather than her public
    trial testimony in which she claimed not to remember anything about the night
    when Atkins was shot. The prosecutor’s reference to a “death sentence” appears to
    have been an argument that while truthful snitching was frowned upon, false
    snitching — i.e., falsely accusing the defendants — would be to invite the most
    severe community scorn.       The comment was a permissible way of rehabilitating
    witnesses whose credibility the defense lawyers had attacked through suggestions
    that the witnesses’ earlier inculpatory statements were fabricated,19 because it
    suggested that the jury had a reasonable basis for regarding such witnesses’
    inculpatory testimony as more rather than less credible.
    18
    The prosecutor’s remarks in this case are unlike those in Murray, in
    which the prosecutor “went astray” in mentioning that “these people were scared”
    because they “know that [the defendants] went out in the street . . . to retrieve their
    gun” and were “willing . . . to abduct a person at gunpoint.” 
    See 855 A.2d at 1133
    .
    19
    For example, Cheadle’s trial counsel argued that Matthews’s grand jury
    testimony was an attempt to frame Cheadle for the murder of Atkins.
    27
    C.    The Juror Removal Claim
    1. Background
    The case was submitted to the jury at about 4:15 p.m. on Monday, March 23,
    2009. On the morning of Tuesday, March 24, Judge Weisberg received a note,
    signed by the jury foreperson, stating that one juror, who was later identified as
    Juror 13, had a “family emergency and will be unable to be here Monday or
    Tuesday, the 30th and the 31st” and that “[o]ur sense is that it would be advisable
    to contact the alternate.” Upon coming into the courtroom to discuss her situation
    with the judge, Juror 13 said that she would not have a problem if (as the court had
    suggested might occur) the jury would not be deliberating on Friday.
    About two and a half hours later, Judge Weisberg received another note
    signed by the foreperson that read:
    Judge, we have a problem. One of the jurors has said
    [crossing out the word “announced”] that her mind is
    closed as to the case. Our deliberations are unproductive
    already. All eleven jurors are in agreement on this point.
    28
    Judge Weisberg consulted with the prosecutor and defense counsel. The court
    expressed concern that the juror described in the note might again be Juror 13,
    about whom the prosecutor had raised concerns during the presentation of
    evidence. The prosecutor had earlier reported observing the juror shaking her head
    disapprovingly at court rulings and during the questioning of some witnesses;
    failing to follow the written transcripts during playbacks of recorded phone calls;
    speaking out loud and talking to herself while the calls were being played;
    appearing to sleep during portions of the trial; and casting her eyes up to the ceiling
    and “clearly not listening” during closing arguments and the court’s instructions.
    The juror had also loudly commented that the number of security personnel in the
    courtroom was “ridiculous” and unnecessary.
    Both defense counsel argued that, regardless of the identity of the juror, an
    instruction to the jury to continue deliberations and a renewed instruction to
    deliberate in good faith would be adequate curative measures. Judge Weisberg
    commented that if the juror who was the subject of the foreperson’s note was the
    same juror about whom the prosecutor had raised concerns, he would be inclined
    to dismiss that juror without additional instruction because, “after the concerns
    were expressed about this juror’s attitude toward her juror service,” he had already
    29
    instructed the jury three times on the importance of deliberating with an open
    mind,20 and was skeptical that a fourth instruction would have “a salutary effect[.]”
    Judge Weisberg also told counsel that he was “concerned because it
    happened so quickly in the deliberations after such a lengthy trial,” and because
    20
    First, Judge Weisberg had instructed the jury that
    [I]f you go into the jury room . . . with your mind already
    firmly made up, it kind of defeats the whole purpose of
    deliberations, which is to talk about it for the first time
    freely and openly, among yourselves, [and] if there are
    disagreements, to talk about the disagreements
    respectfully with each other, to see why somebody may
    see it differently than the way you see it. And so, it’s
    very important that you go into that process with a
    completely open mind. So don’t try to make up your
    mind about anything in the case any stage, including this
    late stage.
    On the following day, Judge Weisberg instructed the jury further that
    [I]t’s very important that when you go into deliberations,
    you haven’t made up your own minds firmly about any
    aspect of the case, until you have a chance to talk to each
    other about it. That’s the whole point of deliberations.
    The next day, Judge Weisberg instructed jurors that they should
    [t]ry to retain everything you’ve heard, but please, as I’ve
    told you last night, don’t try to make up your mind. It’s
    unfair to the parties. It’s unfair to yourselves to go into
    your deliberations . . . with a mind already firmly made
    up. You should keep a completely open mind until you
    begin your deliberations.
    30
    “an unwillingness to deliberate further at such an early stage . . . suggests . . . that
    it’s a closed mind, . . . not a dissenting mind[.]” He reasoned that the jury had not
    had “a chance to get far enough to know whether there’s a dissent or disagreement
    about the merits of the case” and that there appeared to be “just a closed mind and
    a refusal to even listen to the point of view of others.” He explained that if the note
    was about Juror 13, he would have to view the note “in the context of the entire
    trial[,] beginning with her response on voir dire where I was commiserating with
    the venire about the length of the trial and her response was, the longer the trial,
    the better, I hate my job anyway.” Responding to defense counsel’s suggestions
    that without an additional instruction, the court would not be in the position of
    having “tried to address it and concluded that that has failed[,]” Judge Weisberg
    said, “I would say that’s true of any other juror, [but] I’m not as sanguine about
    this one.”
    Judge Weisberg decided to question the foreperson about the note using
    language taken from Brown v. United States,21 explicitly recognizing that the
    situation was “extremely dicey” and that he needed to be “quite careful” in his
    inquiry. The foreperson confirmed that the juror referred to in the foreperson’s
    note was indeed Juror 13.       The foreperson told the court that Juror 13 had
    21
    
    818 A.2d 179
    (D.C. 2003).
    31
    announced on the evening of March 23, “before deliberations had begun[,]” “that
    there was going to be disagreement. Apropos of nothing said there would be
    disagreement.” The foreperson further explained that at the very beginning of
    deliberations on the morning of March 24, when the foreman began expressing his
    views on the case and before anyone else had spoken, Juror 13 “stood up, walked
    out of the room or started to walk out of the room, because she was afraid of a
    scheduling conflict and said, we’re going to be here through the weekend and into
    Monday and Tuesday.”           In addition, the foreperson told Judge Weisberg the
    following:
    [A]s we talked over the course of the day and more
    extensively about the case, [Juror 13] said repeatedly that
    nothing anybody said could persuade her one way or the
    other. Um, that her mind was made up. Um, she also at
    times said, oh, I’ll listen, I’ll listen, I’ll listen. She would
    say at times, I’ll listen, okay, but it was the unanimous
    view of the eleven jurors in the room that [Juror 13’s
    professions of willingness to deliberate] were not sincere.
    Asked by Judge Weisberg how he knew that, the foreperson replied that, after the
    lunch break,
    We had come in and we were speaking about the case,
    things became more — rather heated, not terribly so,
    [Juror 13], in the middle of — really somebody else
    talking, stood up and said, can I go to the bathroom
    outside of the jury room? And nobody was going to stop
    her. It wasn’t a break, so she walked out[.]
    32
    The foreperson continued:
    And I should emphasize that there’s a lot of
    disagreements in the jury room . . . [T]here are
    disagreements between people that are not this juror and
    that are being handled in an . . . upright and thoughtful
    fashion. . . . [T]his [i.e., the situation with Juror 13] is
    something very different.
    The foreperson acknowledged that Juror 13 was (in Judge Weisberg’s words)
    “going over [the] evidence and what it shows,” but added that Juror 13
    “emphasizes her conclusions — significantly more than the evidence in the case.”
    Asked by Judge Weisberg whether he took Juror 13’s comments to mean “I have
    made up my mind and I will not be open to further deliberations, and won’t discuss
    it further” or instead to mean, “I’m willing to listen but it’s going to take a lot to
    change my mind on my view of the case[,]” the foreperson responded,
    Significantly closer to the former.      She expresses
    formally those words. She does not listen. She puts her
    head down and closes her eyes. Um, is combative,
    accuses people of having agendas.
    From the foreperson’s answers, Judge Weisberg concluded that “from his
    expression of it, her mind is completely closed, was closed before they started, will
    not be reopened no matter what[.]” He also told counsel that he didn’t “think it’s
    33
    so far in the deliberations that we [could] single [Juror 13] out as a dissenting juror
    on the merits because, as [the foreperson] expressed himself, there’s lots of
    disagreements going on the merits, among the others.” He also observed that he
    had “enough basis to conclude that an instruction would be very unlikely to be
    productive.”
    Judge Weisberg next questioned each of the jurors, telling them that he was
    not “asking any juror what their . . . view of the case is, or what views have been
    expressed in the jury room.” He asked each juror (except Juror 13), “Do you
    believe that one or more jurors went into deliberations with a closed mind and he
    or she is unwilling to consider the views of others and possibly changing his mind”
    and whether the juror’s answer was “based on expressions by that juror[.]” Each
    juror confirmed that that was his or her belief and basis for belief. When Juror 13
    herself came in for questioning and Judge Weisberg informed her that other jurors
    believed that she had “entered into the deliberations with [her] mind already made
    up[,]” she responded by saying:
    No, that’s not true. I was not in agreement with them, so
    they tried to force me to be in agreement with them. . . . I
    was standing on the evidence that was there and they
    tried to force me to agree with them by hollering and
    becoming belligerent, and I told them that I made up my
    mind with the decision that I made and they cannot force
    me to agree with them, no matter how many ways they
    34
    tried to tell it to me. I’m a very smart educated woman.
    I have degrees and everything. You cannot force me to
    agree with you for something that I don’t believe in
    standing on the evidence that is presented there. So they
    were very upset about that.
    ....
    That’s the overall problem. They can’t force me to agree
    with them.
    ....
    I’m here to do the job of the juror. And that is to base the
    facts on the actual evidence.
    At the conclusion of the voir dire, Judge Weisberg decided to remove Juror
    13 and replace her with an alternate pursuant to Super. Ct. Crim. R. 24 (c). He
    explained his decision as follows:
    [E]leven others say somebody has a closed mind, entered
    the deliberations with a closed mind and is refusing to
    deliberate with an open mind . . . . [I]t’s as clear as it
    could possibly be, that leaving this juror on the jury
    whatever any of their views are about the merits of the
    case, including her, is not conducive to a jury that can
    fulfill its oath and perform its duty to deliberate based
    solely on the evidence and the law of and the facts of the
    case.
    Judge Weisberg added:
    [I]f we were in the fifth day of deliberations, and they
    had thoroughly discussed the case with [Juror 13]
    35
    participating, and she had a view that was different from
    all the others and said they just don’t agree with me and
    they can’t force me to change my mind, we wouldn’t be
    in this discussion.
    She’d be on the jury. . . . [But] [s]he went into the jury
    room with a closed mind, expressed it last night before
    they even began talking about the case, reinforced it this
    morning, saying, I’ll listen, but my mind is made up, and
    all eleven other jurors have confirmed what the
    foreperson told us. And I think that’s just not conducive
    to . . . the type of deliberations [to] which all parties in
    this case are entitled.
    After the removal of Juror 13 and substitution of an alternate juror, the jury
    deliberated for approximately three days before reaching its verdicts.22
    Following announcement of the verdicts, appellants sought new trials on the
    ground that there was no “‘just cause’” to remove Juror 13. In its opposition, the
    government disagreed and also asserted that its subsequent investigation had
    revealed that Juror 13, a Maryland resident, had not been qualified to serve as a
    juror to begin with. Judge Weisberg denied appellants’ motion, specifying that his
    ruling was based “solely on the record as it existed at the time” of removal, but
    noting that the subsequently discovered information about Juror 13’s
    22
    Judge Weisberg later told counsel that he was “pleased that we were able
    to get through that very difficult inquiry without any juror telling us where she or
    any other jurors stood based on the one day of what I would call non-deliberations
    or partial deliberations with eleven people participating and one not.”
    36
    misrepresentation of her eligibility “corroborate[d] the court’s assessment of her
    lack of credibility.”23
    In their initial briefs on appeal, appellants argued that Judge Weisberg erred
    in denying their motion for a new trial because the removal of Juror 13 violated
    both Super. Ct. Crim. R. 24 (c) and their constitutional rights to an impartial and
    unanimous jury. Following oral arguments before this court in November 2012,
    we remanded the case and instructed the trial court to make additional findings of
    fact regarding whether “during jury selection, the removed juror failed to disclose
    disqualifying information out of ‘a desire to serve on [the] jury for some improper
    purpose,’ Young v. United States, 
    694 A.2d 891
    , 894 (D.C. 1997), and whether she
    otherwise was biased against the government.” After remand proceedings that
    included a July 2013 evidentiary hearing (at which Juror 13, Michelle Suggs,
    testified), Judge Weisberg found that during voir dire Juror 13 “intentionally lied
    about her [non-District of Columbia] residence,” “failed to disclose her 2007
    misdemeanor conviction,” and “failed to disclose her close personal or family
    23
    Judge Weisberg later commented that the “dishonesty and potential fraud
    unearthed by the government after the trial and brought out at the hearing on
    remand” “reinforce[d] [his] view that [Juror 13] is a person with little regard for
    the truth if it stands in the way of getting what she wants.”
    37
    relationship with a convicted felon, which may have been intentional.”24 However,
    while finding that “[t]he inference is compelling that [Juror 13] did all of these
    things because she wanted to serve on a jury in the District of Columbia” and that
    “[t]here is enough in the record to surmise” that this desire arose from an anti-
    prosecution bias, Judge Weisberg concluded that the government had not proven
    “by a preponderance of the evidence that [Juror 13’s] motive for wanting to serve
    on defendants’ jury was to acquit the defendants or hang the jury because of her
    bias against the government.”
    2. Analysis
    Super. Ct. Crim. R. 24 (c) provides in pertinent part that “[a]n alternate
    juror, in the order called, shall replace a juror who, becomes or is found to be
    unable or disqualified to perform juror duties.” The Rule limits the discretion of
    the trial judge in removing and replacing a juror in order to safeguard the
    defendant’s “valued right to have his trial completed by a particular tribunal,” a
    24
    The government submitted evidence that Juror 13 had not lived in the
    District of Columbia since at least 2006 and had failed to disclose a 2007
    conviction for driving under the influence. The government also presented
    evidence that Juror 13 had failed to disclose a close relationship with a man named
    Wendell Clay, who was convicted of first-degree burglary in 1998, served a
    twelve-year sentence, lived with Juror 13 in Maryland between his release in 2009
    and his arrest on another charge in 2010, and listed Juror 13 on prison visitation
    forms as, variously, his spouse or his aunt.
    38
    right that is rooted in the constitutional rights to an impartial jury and a unanimous
    verdict and in the guarantee against double jeopardy. Hinton v. United States, 
    979 A.2d 663
    , 674-75, 681-82, 682 n.76, 688-89 (D.C. 2009) (en banc) (internal
    quotation marks omitted).25 “It is well-settled that each of those rights ‘would be
    abrogated if it were permissible for the judge to intervene in deliberations and
    remove a juror for dissenting from the majority view.’” 
    Id. at 682;
    see also 
    id. at 685
    (“[R]emoving a juror because of his views of the evidence [is] one of the
    principal evils against which Rule 24 (c)’s restrictions are directed.”); Shotikare v.
    United States, 
    779 A.2d 335
    , 344 (D.C. 2001) (“[A] juror may not be excused for
    the purpose of breaking a deadlock or because of her views on the merits.”).
    We review a trial court’s decision to replace a juror with an alternate for
    abuse of discretion. Darab v. United States, 
    623 A.2d 127
    , 138 (D.C. 1993). A
    court abuses its discretion in replacing a juror under Rule 24 (c) “if it replaced the
    juror for an improper or legally insufficient reason, if its ruling lacked ‘a firm
    factual foundation,’ or if the trial court otherwise failed to ‘exercise its judgment in
    a rational and informed manner.’” 
    Hinton, 979 A.2d at 683-84
    (internal citations
    25
    See also Hobbs v. United States, 
    18 A.3d 796
    , 800 (D.C. 2011) (noting
    that Hinton “described a far more limited scope for the trial court’s exercise of
    discretion in ruling on motions for excusal of empaneled jurors,” such that “[o]nce
    jeopardy attaches and jurors begin their duties, they can no longer be removed for
    reasons that would meet only the good cause standard”).
    39
    omitted).   We will reverse an appellant’s conviction “if the record evidence
    discloses any reasonable possibility that the impetus for a juror’s dismissal stems
    from the juror’s views on the merits of the case[.]” 
    Shotikare, 779 A.2d at 345
    ;
    see also United States v. Brown, 
    823 F.2d 591
    , 597 (D.C. Cir. 1987) (“Because the
    record evidence in this case discloses just such a possibility, we must reverse the
    convictions.”).
    Appellants argue that Judge Weisberg lacked a sufficient factual basis for a
    finding that Juror 13 was, as Rule 24 (c) requires for removal, “‘unable’ to perform
    her [juror] duties[.]” They assert that there was at least a reasonable possibility
    that the other jurors’ difficulties with Juror 13 and their assessment of her
    willingness to deliberate related to their disagreement with her views on the merits
    of the case. Accordingly, appellants argue, Judge Weisberg’s decision to remove
    Juror 13 violated their rights to a unanimous and impartial jury and to a fair and
    neutral tribunal. We disagree.
    Appellants do not dispute that “[e]vidence of a juror’s . . . seriously
    disruptive behavior” can be adequate to support a finding of incapacity to serve
    under Rule 24 (c) and can thus be a “legally sufficient basis” for removing a
    40
    juror.26 That is precisely what the foreperson’s answers described and what Judge
    Weisberg found to exist.27 According to the foreperson, Juror 13 twice stood up
    and walked out of the jury room while other jurors were expressing their views
    (the first time, when the foreperson began to describe his initial take on the case
    and Juror 13 stood up and left or attempted to leave to address her scheduling
    issue; and the second time when the jury had just reconvened after the lunch break
    and another juror began speaking, and Juror 13 stood up and walked out to go to a
    bathroom outside the jury room). Each time, she interrupted the jury’s efforts to
    deliberate. Even when she remained within the jury room, she put her head down
    and closed her eyes rather than engage with her fellow jurors. She expressed to
    them that her mind was made up and that while she would listen, nothing they
    could say could change her mind. According to the foreperson, what Juror 13
    expressed was something close to “I have made up my mind and I will not be open
    to further deliberations, and won’t discuss it further[.]” We are satisfied that Judge
    Weisberg had a sufficient basis for finding that, in all these ways, Juror 13 was not
    deliberating and was disrupting her fellow jurors’ efforts to deliberate and
    26
    
    Hinton, 979 A.2d at 684
    n.90 (“Evidence of a juror’s . . . seriously
    disruptive behavior is certainly adequate reason to conclude [that the juror lacked
    capacity to continue to serve as a juror].”).
    27
    See 
    Shotikare, 779 A.2d at 340
    (holding that the judge properly excused
    a juror for “intimidating the jury and disrupting its deliberations.”).
    41
    rendering those efforts (as the foreperson described) “unproductive.” Cf. 
    Hinton, 979 A.2d at 680
    (“[W]e think a trial court appropriately may find an empaneled
    juror ‘unable or disqualified to perform juror duties’ . . . where the court perceives
    a serious risk that the juror’s ability to deliberate fully and fairly will be
    compromised . . . .”).
    Judge Weisberg also had an adequate basis for finding that Juror 13 entered
    deliberations with a closed mind and an intent to cause the jury’s work to be
    protracted and unproductive.       Before discussions had begun, she predicted
    “disagreements” that would cause the jury still to be deliberating a week later,28
    possibly because of her “the longer, the better” sentiment. Necessarily, to avoid
    intruding into the jury’s deliberations, “the record that [was] generated in the
    course of the [court’s] inquiry [was] less than exhaustive[,]” 
    Shotikare, 779 A.2d at 345
    , but Judge Weisberg was entitled to credit the foreperson’s stated impression,
    and the other jurors’ agreement, that Juror 13 expressed that her mind was closed
    as to the case and said repeatedly that “nothing anybody said could persuade her
    28
    Notably, the foreperson’s report of Juror 13’s concern about her
    conflicting travel plans on March 30 and 31 prompted Cheadle’s counsel to
    comment that it was “a little premature [for Juror 13] to conclude that [the jury]
    won’t have a decision by then.”
    42
    one way or the other” (emphasis added). Judge Weisberg’s assessment was that
    Juror 13 lacked credibility, and he was entitled to discredit her claim that she was
    merely “standing on the evidence.”29 We have no basis for second-guessing Judge
    Weisberg’s assessment that comments such as those Juror 13 made right off the bat
    after a lengthy trial on multiple charges evinced a closed mind and a refusal to
    listen to others’ points of view — an impediment to deliberations going forward30
    — rather than a conscientiously dissenting mind.31
    29
    See 
    Brown, 818 A.2d at 186
    (“[T]he judge was not obliged to accept [the
    removed juror’s answer] at face value.”); 
    Shotikare, 779 A.2d at 347
    (“[A] juror’s
    assurance that he or she can render a fair and impartial verdict is not dispositive.”)
    (internal quotation marks omitted).
    30
    As Judge Weisberg put it, “if you can’t listen to each other’s point of
    view, deliberations just can’t occur.”
    31
    Cf. 
    Brown, 818 A.2d at 187
    (noting that where the trial court “credited the
    broad consensus among the jurors that Juror Three had refused to participate in the
    deliberation process from the beginning[,]” this finding would be reviewed for
    clear error, since the court was uniquely situated to make the credibility
    determinations that must be made where a juror’s motivations and intentions are at
    issue); United States v. Baker, 
    262 F.3d 124
    , 130 (2d Cir. 2001) (“A [trial] court’s
    finding on the question whether a juror has impermissibly refused to participate in
    the deliberation process is a finding of fact to which appropriate deference is
    due.”); see also 
    Hinton, 979 A.2d at 683-84
    (recognizing “the trial judge’s superior
    ability to observe the demeanor of the juror” and stating that it is not this court’s
    “function . . . to second-guess a reasonable judgment of the trial court”) (internal
    quotation marks omitted); Braxton v. United States, 
    852 A.2d 941
    , 949 (D.C.
    2004) (“[E]ven though the evidence of juror misconduct was less than
    overwhelming, it was sufficient to preclude us from second-guessing the trial
    judge’s finding. . . .”); 
    Shotikare, 779 A.2d at 345
    (noting that “the questioning of
    the jurors supported the judge’s factual findings concerning [the removed juror’s]
    (continued…)
    43
    Nor can we agree on this record that there is a reasonable possibility that
    Juror 13 was removed because she was a dissenting voice or because of her views
    on the evidence, such that her removal violated appellants’ Fifth and Sixth
    Amendment rights.32 We deem it important, as Judge Weisberg did, that the issue
    of Juror 13 came to light early after the case had gone to the jury, when there were
    still what the foreperson described as “lots” of disagreements among the jurors,
    meaning that no juror could be identified as a dissenter.33 Notably, too, following
    (…continued)
    behavior” and “defer[ring] to the judge’s findings, particularly inasmuch as they
    turned, in part, on his evaluation of the jurors’ demeanors”).
    32
    Cf. United States v. Symington, 
    195 F.3d 1080
    , 1087 n.5 (9th Cir. 1999)
    (“We emphasize that the standard is any reasonable possibility, not any possibility
    whatever.”).
    33
    Citing Symington, appellants argue that, since it is unlikely that the other
    jurors would have suggested the removal of Juror 13 if she had agreed with their
    views on the merits, the very fact that they sought intervention from Judge
    Weisberg gave rise to a reasonable possibility that the removal of Juror 13 was
    motivated by her views on the merits. However, this case is readily distinguishable
    from Symington. In Symington, there was “considerable evidence to suggest that
    the other jurors’ frustrations with [the removed juror] derived primarily from the
    fact that she held a position opposite to theirs on the merits of the case[,]” and the
    Ninth Circuit noted that individual jurors asked the district court “to dismiss [the
    removed juror] because otherwise the result would be ‘an undecided vote, a hung
    jury[]’” and because “‘we are blocked and blocked and blocked [and] don’t want to
    be blocked any 
    more.’” 195 F.3d at 1088
    . Moreover, the jury note was sent when
    the jury had been deliberating for a week. 
    Id. at 1083.
    There was no similar
    communication in this case, and the jury had had the case for only a few hours.
    (continued…)
    44
    the replacement of Juror 13, deliberations continued for a further three days before
    the jury reached its verdicts, suggesting that there remained much room for
    discussion at the time Juror 13 was removed.34
    Appellants also argue that “the decision to remove [Juror 13] . . . entail[ed]
    influencing the outcome of deliberations in a known direction.” 
    Braxton, 852 A.2d at 947
    (internal quotation marks omitted). It is true that, even though Judge
    Weisberg scrupulously avoided any indication of the jurors’ views on the merits of
    the case and explicitly and repeatedly admonished each juror that they should
    reveal nothing to him about the content of their deliberations, Juror 13’s demeanor
    during the presentation of evidence seemed to reveal that she had some hostility to
    (…continued)
    34
    We also note that, as in Shotikare, the court “took pains” to let the
    remaining members of the jury know that the juror’s removal “had nothing to do
    with her views on the 
    merits.” 779 A.2d at 346
    . Judge Weisberg reminded the
    jurors that he did not know and “never w[ould]” know “anything about what
    you’ve talked about the case[,]” and explained that Juror 13 had been excused
    because “the process couldn’t even get started because somebody went into the
    process with their mind made up, [such] that it became impossible for the others to
    persuade or to talk about[,] in a meaningful way, any differences that may exist in
    your deliberations.” Judge Weisberg also told the remaining jurors that if, by
    contrast, deliberations had been going on for days and “a juror came in and said I
    just disagree with them,” he would not have been able to do anything about that,
    because it “sometimes happens” that “we can’t get a verdict[.]”
    45
    the government.35 However, here, as in Baker (where the removed juror had told
    the trial judge that she felt the defendants had been “unfairly prosecuted”), the
    juror “was not removed for her nonconforming view of the evidence[,]” but “was
    removed for her . . . refusal to perform her duty as a juror by deliberating together
    with the other jurors”; and “[t]he complaints of the other jurors, although including
    reference to [the removed juror’s] statement that ‘the evidence was not going to
    change her mind,’ focused on her ‘refusal to deliberate on any of the 
    counts.’” 262 F.3d at 131-32
    (holding that the trial court was within its discretion in removing
    the juror). See also 
    Shotikare, 779 A.2d at 345
    -46 (“It was known, of course, that
    Juror # 5 was in disagreement with at least some of her fellow jurors. The jury had
    reported itself deadlocked, and it reasonably could be surmised that Juror # 5
    contributed to the logjam. . . . However that may be, the deadlock was not the
    impetus for Juror # 5’s removal. More precisely, we may say that there is no
    reasonable possibility apparent on the record before us that Juror # 5 was
    dismissed, or that her dismissal was sought, for the purpose of undoing the
    deadlock, or because of her views on the merits.”).
    35
    We note that, in support of his new-trial motion, Cheadle attached a
    declaration from Juror 13 in which she made her views as to the merits known for
    the first time, stating that she “did not find that the evidence in this case proved
    that the defendants were guilty” and that she specifically disbelieved the testimony
    of George Haynes because he was cooperating with the prosecution.
    46
    Finally, we turn to appellants’ argument that the Rule 24 (c) “incapacity”
    standard incorporates a requirement that a juror be shown not merely to have failed
    to deliberate at one point in time, but to have repeatedly failed to heed remedial
    measures (such that the trial court can conclude that the juror not only has been
    unwilling to deliberate, but is not able to do so prospectively). Cf. 
    Braxton, 852 A.2d at 948-49
    (“reluctan[tly]” concluding that there was no error in removal of
    juror where the foreperson’s reports of misconduct occurred after “a forceful
    reinstruction of the jury[,]” “suggest[ing] that the judge’s directive fell on one pair
    of deaf ears[,]” and where there thus was “substantial record support for the
    judge’s finding that a juror was not carrying out her responsibilities
    appropriately”).   We agree that seeing how a non-deliberating juror conducts
    herself after a re-instruction can move a trial court closer to a firm factual
    foundation about the juror’s capacity going forward.          However, Rule 24 (c)
    imposes no explicit “exhaustion of alternative remedies” requirement, and we are
    satisfied that other circumstances can provide the necessary factual foundation for
    a finding that a juror is unable to carry out her oath. We find no clear error in
    Judge Weisberg’s determination that that was the case here. What he had observed
    and heard from counsel about Juror 13’s demeanor during trial gave him a
    47
    sufficient basis for concluding that an additional instruction “would be very
    unlikely to be productive.” 36
    D.     Severance
    After Israel’s and Cheadle’s cases were joined, Israel filed an initial motion
    and thereafter a renewed mid-trial motion for severance. The trial judge denied the
    requests, reasoning that it would “be clear to the jury . . . that Mr. Israel is not
    charged with any charges in connection with the killing of Asheil[]e George or the
    armed robberies that are related to it.” After the jury verdicts, Israel filed a motion
    for a new trial in which he argued that he was prejudiced by the denial of
    severance, and in particular by the prejudicial effect of the reluctance of the
    Kenyon Street witnesses to testify against Cheadle.37 He now challenges the denial
    36
    Because we conclude that Judge Weisberg properly exercised his
    discretion under Rule 24 (c), we need not consider the impact of the post-verdict
    information about Juror 13’s lack of eligibility, the parties’ arguments about
    whether the government may raise a post-verdict challenge against an allegedly
    biased juror, or their arguments about whether the government waived such a
    challenge in this case by failing to bring its allegations to the court’s attention
    during trial.
    37
    Israel acknowledges that the reluctance of Morris and Matthews to testify
    “was admissible to prove the charged obstruction conspiracy[,]” but argues that the
    reluctance of the Kenyon Street witnesses was inadmissible as to him.
    48
    of his new-trial motion. As we understand his argument, it is that, in the absence
    of a limiting instruction from the court, the “spillover prejudice” of the reluctance
    of the Kenyon Street witnesses likely led the jury to “impute[] the cause of the
    Kenyon Street witnesses’ reluctance” to testify to Israel.”38
    We are not persuaded by Israel’s argument. We think it would have been
    clear to the jury that the government’s case against Israel for obstruction of justice
    rested not on broad inferences of intimidation from the demeanor of government
    witnesses, but on a claimed earwitness account of Israel’s statements about the
    need to kill individuals who might testify against Cheadle (for example, Haynes’s
    testimony that Israel told him that “Little MoMo” and “Little Clay” had to be
    killed because they were “telling on” Cheadle) and on Haynes’s claimed
    eyewitness account of Israel’s shooting of Johnson, whom he told Haynes he was
    planning to kill because he was “telling” about Cheadle’s involvement in the
    Atkins murder. Given that evidence, and the lack of evidence that Israel was
    feared by the Kenyon Street witnesses, we see no reasonable possibility that the
    38
    We review for abuse of discretion Israel’s claim that the denial of
    severance required a new trial. Castillo-Campos v. United States, 
    987 A.2d 476
    ,
    492 (D.C. 2010). “A finding of abuse of discretion requires a determination that a
    joint trial did in fact result in an appellant being denied a fair trial and due process
    of law.” McCoy v. United States, 
    760 A.2d 164
    , 184 (D.C. 2000) (quoting Jackson
    v. United States, 
    329 A.2d 782
    , 787 (D.C. 1974)).
    49
    jury’s verdict convicting Israel of the charged conspiracy to obstruct justice was
    swayed by the obvious reluctance of the Kenyon Street witnesses (some or all of
    whom presumably would have been called to testify to establish the background of
    the conspiracy to obstruct justice charge,39 and presumably would have
    demonstrated the same reluctance, even if Israel had been tried separately).
    E.   Denial of a New Trial Notwithstanding
    Cheadle’s Weight-of-the-Evidence Arguments
    Cheadle argues that the trial court abused its discretion in denying his
    motion for a new trial, which was premised on an argument (1) that the
    government’s case against him “included no meaningful physical or forensic
    evidence” and “consisted almost entirely of hearsay and contradicted testimony
    from interested witnesses” and (2) that therefore the jury’s verdicts were against
    the manifest weight of the evidence. More specifically, Cheadle argues that, in
    light of Atkins’s motive to kill George, Matthews’s and Johnson’s motives to
    falsely implicate Cheadle in the murder of Atkins (Matthews, to deflect suspicion
    39
    As Judge Weisberg observed after hearing all the evidence, “most of the
    evidence of the first two murders [including the murder of George on Kenyon
    Street] was necessary to place in context the murder of Pierre Johnson, an overt act
    in furtherance of that conspiracy, with which defendant Israel was charged and
    convicted.”
    50
    from himself, and Johnson, to curry favor with prosecutors), and Matthews’s
    recanting of his earlier statements during his trial testimony, the evidence weighed
    against a finding that Cheadle killed George and Atkins.
    We discern no abuse of discretion in the court’s ruling. To convict Cheadle
    of the felony murder of George, the government was required to prove that
    Cheadle aided and abetted in the robbery during which George received a fatal
    gunshot wound and that George’s killing was “done in furtherance of the common
    design or plan to commit the [underlying] felony, or [was] the natural and probable
    consequence of acts done in the perpetration of the felony.” In re D.N., 
    65 A.3d 88
    , 93 (D.C. 2013) (internal quotation marks omitted). It is undisputed at trial that
    an armed robbery took place on Kenyon Street, during which George was fatally
    shot. The testimony about Cheadle’s subsequent statements to Beach, Matthews,
    and Johnson was evidence of Cheadle’s involvement in the robbery; Cheadle’s
    statement to Beach placed him on Kenyon Street; Cheadle explained to Matthews
    that a gunshot wound to his mouth, which he suffered on the night of the attempted
    robbery and murder, was sustained while he was “on a mission to rob somebody”;
    and Cheadle made a similar statement to Johnson.40 Those statements by Cheadle
    40
    Further, while no eyewitnesses placed Cheadle at the scene, one
    eyewitness, Tamara Wilson, identified Atkins as one of the robbers, and
    (continued…)
    51
    were neither hearsay nor contradicted, and the timing of Cheadle’s gunshot wound
    was strong circumstantial evidence of his participation in the Kenyon Street
    robbery and thus of his guilt of the felony murder of George. For that reason, the
    trial court did not abuse its discretion in concluding that the evidence weighed in
    favor of findings that Cheadle participated in the robbery and that George’s murder
    was a result of and in furtherance of that robbery.
    There also was strong evidence of Cheadle’s guilt of the Atkins murder.
    Matthews’s statements to the grand jury provided evidence indicating that,
    immediately before Atkins was shot, he was in a room with Cheadle, whom
    Matthews saw pull out a gun. Morris testified that, before hearing additional shots
    fired, she saw Matthews flee, with nothing in his hands, from the room where he
    had been with Atkins and the man she later identified from a photo array as
    Cheadle. Additionally, Johnson told the grand jury that Cheadle had described his
    involvement in the Atkins killing. Cheadle stresses Matthews’s recanting of his
    testimony during trial, but the jury, having heard evidence that Johnson was
    murdered to prevent any further testimony against Cheadle and that appellants
    discussed killing Matthews as well, could reasonably credit Matthews’s statements
    (…continued)
    government evidence showed that Cheadle later shot and killed Atkins because he
    was worried that Atkins might implicate him in the murder of George.
    52
    to the grand jury over his trial testimony denying that he had any memory of the
    Atkins murder, and could also infer that Johnson was killed to prevent his truthful
    testimony. Cheadle also stresses Morris’s admission that she lied to police and the
    grand jury regarding her drug use and the drug activity in her apartment at the time
    of the Atkins murder, but his attack on Morris’s general credibility did nothing to
    suggest that Morris had any motive to falsely identify Cheadle as the shooter.
    Against this backdrop, we cannot conclude that the trial court erred in finding that
    the weight of the evidence supported Cheadle’s conviction for the Atkins murder.
    Cheadle’s next argument (one that reads more like an insufficiency-of-the-
    evidence argument than a weight-of-the-evidence argument) is that the evidence
    was insufficient to implicate Israel in the murder of Johnson — and, by extension,
    insufficient to link him to Johnson’s murder. Cheadle emphasizes that no murder
    weapon was ever found, and that there was no physical evidence linking Israel to
    the crime. Further, Cheadle highlights, the sole eyewitness who identified Israel as
    Johnson’s killer — Haynes — was heavily impeached41 and gave testimony that
    41
    Cheadle’s trial counsel elicited that Haynes had agreed to testify against
    Israel in exchange for the government’s agreement not to prosecute Haynes on four
    armed robbery charges.
    53
    was contradicted by other evidence about the shooting.42 Additionally, at the time
    the crime occurred, Haynes was staying at a halfway house, and although being
    absent at the time of the shooting would have violated his curfew, no record of
    such a violation was introduced into evidence.43 Nonetheless, having viewed the
    demeanor of the witnesses,44 and benefitting from his superior vantage point with
    respect to the entire trial, Judge Weisberg was well-positioned to weigh the
    42
    For example, Haynes testified that Israel approached the scene wearing a
    “little mask covering his mouth” and that, when he produced his gun, “everybody
    started scattering away, trying to get away” before Israel started shooting.
    However, defense witnesses Primavere Charles and Jeanne Kim did not remember
    anyone wearing a mask and did not see people disperse until after the shooting had
    stopped. Haynes also testified that after the shooting, Johnson ran through a
    parking lot and into an alley, but Charles testified that Haynes ran down W Street
    towards 15th Street. Haynes testified that Johnson was shot in the back of his neck
    or head as he attempted to flee, but forensic and medical experts testified that
    Johnson had most likely not initially been shot from behind.
    43
    Haynes explained that residents, with the cooperation of the midnight
    shift workers at the halfway house, would routinely break curfew by leaving at
    night against the house rules, but recording on sign-out forms that they were
    leaving the following morning. Haynes claimed that, using this arrangement, he
    left shortly before midnight on the night of Johnson’s murder, but signed out as
    though he were leaving the following morning. Employees of the halfway house
    testified at trial that they had never let an inmate leave without authorization and
    were aware of no such scheme.
    44
    See Forbes v. United States, 
    390 A.2d 453
    , 459 (D.C. 1978) (“In
    reviewing a trial court’s denial of a motion for new trial, we must give great weight
    to the trial judge’s ability to judge the credibility of the witnesses and to observe
    their demeanor.”).
    54
    conflicting evidence as the “thirteenth juror.”45 We cannot say that the evidence
    was so weak as to render his denial of Cheadle’s new-trial motion an abuse of
    discretion.
    Cheadle further contends that the government failed to establish a single
    overarching conspiracy to obstruct justice. Relying on United States v. Tarantino,
    
    846 F.2d 1384
    , 1392 (D.C. Cir. 1988), he argues that, at most, the evidence proved
    only various “spokes,” allegedly connected to the “hub” of Cheadle, that never
    acted in coordination with each other and thus were not contained by any “rim”
    within a single conspiracy. He emphasizes that the evidence did not “show that the
    co-conspirators depended on or coordinated with one another in any substantial
    way to complete their respective tasks[.]”      However, as the Tarantino court
    recognized, “[a] single conspiracy is proven if the evidence establishes that each
    conspirator had the specific intent to further the common unlawful objective” and
    may be established even if some conspirators are ignorant of the identities of other
    participants and even when the various contributions to the enterprise are distinct
    in time. 
    Tarantino, 846 F.2d at 1392
    . More to the point, the evidence was
    sufficient to permit the jury to conclude that Cheadle killed Atkins, Israel killed
    45
    Tibbs v. Florida, 
    457 U.S. 31
    , 42 (1982); United States v. Bamiduro, 
    718 A.2d 547
    , 553 n.14 (D.C. 1998) (internal quotation marks omitted).
    55
    Johnson, and both appellants intimidated Matthews pursuant to a conspiratorial
    agreement between the two of them, the objective of which was to obtain
    Cheadle’s acquittal of the murders with which Cheadle was charged.
    Cheadle contends that the government’s evidence suggested only that he
    “had inquired about who might appear at trial, not that he was trying to prevent
    them from doing so[.]” However, there was evidence from which the jury could
    infer appellants’ participation in an unlawful agreement to obstruct justice. “A
    conspiratorial agreement may be inferred from circumstances that include the
    conduct of defendants in mutually carrying out a common illegal purpose, the
    nature of the act done, the relationship of the parties and the interests of the alleged
    conspirators.” Campos-Alvarez v. United States, 
    16 A.3d 954
    , 965 (D.C. 2011)
    (internal quotation marks and alterations omitted). The jury heard, inter alia, a
    recorded phone call in which Cheadle and others discussed the possibility that
    Matthews might testify and how to handle the situation; Haynes’s testimony that
    Cheadle and Israel had grown concerned about Matthews cooperating with the
    government; Haynes’s testimony that, although Cheadle wanted to kill Matthews,
    Israel argued that he should be allowed to live but kept out of the prosecution’s
    reach, and then arranged for Matthews to hide out with Israel’s aunt; testimony that
    Latoya Villines, a friend of Cheadle, visited Matthews in jail at Cheadle’s direction
    56
    to discuss Matthews’s anticipated trial testimony; and Haynes’s testimony that,
    when Cheadle told Israel of his suspicions about Johnson, Israel replied that “he
    was going to take care of [Cheadle] because he kn[e]w if he was in a situation like
    that, [Cheadle] would take care of it for him[.]” Taken together, the foregoing
    evidence supported an inference that both Cheadle and Israel were participants in
    an agreement to prevent witnesses from testifying against Cheadle.
    III.      Conclusion
    For the foregoing reasons, the judgments of conviction and the rulings of the
    trial court denying appellants’ new-trial motions are
    Affirmed.