United States v. Vertis Clay ( 2009 )


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  •                       United States Court of Appeals
    FOR THE EIGHTH CIRCUIT
    ___________
    No. 08-1372
    ___________
    United States of America,               *
    *
    Appellee,                *
    *
    v.                                *
    *
    Vertis Clay,                            *
    *
    Appellant.                   *
    ___________
    Appeals from the United States
    No. 08-2371                           District Court for the
    ___________                           Eastern District of Arkansas.
    United States of America,               *
    *
    Appellee,                *
    *
    v.                                *
    *
    Calvin Stovall,                         *
    *
    Appellant.               *
    ___________
    Submitted: February 12, 2009
    Filed: September 4, 2009
    ___________
    Before RILEY, SMITH, and SHEPHERD, Circuit Judges.
    ___________
    SMITH, Circuit Judge.
    Calvin Stovall and Vertis Clay appeal their sentences imposed for various drug
    and firearm offenses. The district court1 sentenced Stovall to life imprisonment after
    he pleaded guilty to conspiracy to possess and distribute at least 100 kilograms of
    marijuana, in violation of 21 U.S.C. §§ 841(a)(1) and 846 ("Count 1").2 Clay was tried
    and convicted by a jury on Count 1, as well as, conspiracy to use and discharge a
    firearm during and in relation to a drug trafficking crime, in violation of 18 U.S.C.
    § 924(c) ("Count 2") and use of a firearm to commit first-degree murder during and
    in relation to a drug trafficking crime, in violation of 18 U.S.C. §§ 924(j) and 1111
    ("Count 4"). After the jury sentenced Clay to life imprisonment without possibility of
    release on Count 4, the district court imposed consecutive sentences of 40 years'
    imprisonment on Count 1 and ten years' imprisonment on Count 2. The district court
    allowed this 50-year sentence to run concurrently with Clay's life sentence.
    On appeal, Stovall and Clay raise issues across most of the criminal procedural
    spectrum, including issues related to: (1) the plea agreement, (2) severance, (3) denial
    of counsel, (4) sufficiency of the evidence, (5) motion to suppress, and (6) various
    attacks on sentencing. After careful review of all issues raised by both parties, we
    affirm the district court in all respects.
    1
    The Honorable William R. Wilson, United States District Judge for the Eastern
    District of Arkansas.
    2
    Stovall was charged with solicitation of a crime of violence, in violation of 18
    U.S.C. § 373 ("Count 3"). After Stovall pleaded guilty to Count 1, Counts 2 and 3
    were dismissed.
    -2-
    I. Background
    A. Procedural History
    A federal grand jury returned a four-count indictment against Clay, Stovall, and
    Darryl Walker: Count 1 charged Clay, Stovall, and Walker with conspiracy to possess
    and distribute at least 100 kilograms of marijuana; Count 2 charged Clay, Stovall, and
    Walker with conspiracy to use and discharge a firearm during and in relation to a drug
    trafficking crime; Count 3 charged Stovall with solicitation of a crime of violence, in
    violation of 18 U.S.C. § 373; and Count 4 charged Clay and Walker with use of a
    firearm to commit first-degree murder during and in relation to a drug trafficking
    crime.
    Darryl Walker pleaded guilty to Count 4. Walker's sentence was held in
    abeyance pending resolution of Clay's and Stovall's cases. Prior to trial, Stovall's
    attorney requested a continuance for health reasons. Because the continuance was
    unavoidable, the government moved to sever the trial and proceed to trial against Clay
    only. Over Clay's objections, the district court granted the government's motion to
    sever, and Clay's trial commenced.
    Following a month-long trial, the jury returned guilty verdicts on all counts
    against Clay and sentenced him to life imprisonment without possibility of parole on
    Count 4. The court sentenced Clay to the statutory maximum of 40 years on Count 1
    and the statutory maximum of ten years on Count 2 to run concurrently with Clay's
    life sentence.
    Following Clay's trial, rather than proceeding to trial alone, Stovall pleaded
    guilty to Count 1. Because the plea agreement did not include an agreed recommended
    sentence, a sentencing hearing was scheduled. After a three-day hearing, the court
    sentenced Stovall to life imprisonment.
    -3-
    B. Factual History
    Stovall began distributing marijuana in Pine Bluff, Arkansas, and enlisted the
    help of Darryl Johnson, a lifelong friend. Stovall's supplier was a convicted marijuana
    trafficker, Benito Naito-Gastelum. Stovall and Naito-Gastelum agreed to smuggle
    marijuana from Mexico through California to Arkansas. Stovall established a front
    company named "Jesse Woods Mobile Homes" with commercial trucks to transport
    the drugs. Johnson and Stovall would obtain the title, tags, and insurance for
    commercial trucks that were then used to transport the marijuana from California to
    Arkansas. Stovall would receive the drugs on credit and make installment payments
    to Naito-Gastelum.
    After the enterprise's drug sales improved, Stovall decided to steal a truckload
    of marijuana from his supplier. Stovall's scheme involved stealing the marijuana from
    the delivery truck and representing to Naito-Gastelum that police had seized the
    shipment on the highway. Johnson, Stovall's cohort, opposed the plan. Stovall
    proceeded with the caper nonetheless and, after stealing the truckload of drugs,
    abandoned the truck at a motel.
    After his apparent initial success, Stovall then concocted a second plan to steal
    marijuana and money from Naito-Gastelum by burglarizing his stash house in
    Sherwood, Arkansas. Stovall and two of his accomplices broke into Naito-Gastelum's
    house and stole approximately 40 pounds of marijuana and over $20,000 in currency.
    Stovall tried to make the burglary appear as if the police had executed a search
    warrant at the property by placing yellow "POLICE" tape over the entrances.
    But the scheme began to unravel when Johnson called Naito-Gastelum and told
    him that Stovall had stolen the shipment of marijuana. Attempting a coverup, Stovall
    asked Johnson to disappear so that Naito-Gastelum would believe that Johnson took
    the drugs and money. But Johnson refused and continued his communications with
    Naito-Gastelum, even assisting Naito-Gastelum in locating Stovall's Pine Bluff
    -4-
    residence. Sensing trouble from Naito-Gastelum and desiring retribution against
    Johnson, Stovall hired Clay to beat and rob Johnson.
    At Stovall's request, in July 2003, Clay and Walker broke into Johnson's home
    and waited throughout the night for Johnson's return. When Johnson returned early
    in the morning, Clay shot him in the thigh as he entered the residence. Clay and
    Walker then tied Johnson's wrists to his ankles with duct tape. The two then tortured
    Johnson with an iron, a broom handle, and a hunting knife to force him to disclose the
    location of his drugs. Eventually, Clay killed Johnson by shooting him in the back of
    the head. Clay and Walker then loaded Johnson's clothes and shoes, sacks of frozen
    meat, ecstasy tablets (more formally known as methylenedioxymethamphetamine or
    MDMA), a pistol, and a digital scale into Clay's car.
    Just over six months later, Walker was arrested on an unrelated matter and gave
    police a lengthy taped statement about his involvement in Johnson's murder. Walker's
    account was corroborated by the autopsy report, ballistics reports, the medical
    examiner's report, and Clay's telephone records.
    Agents obtained a search warrant for Clay's residence where they found
    Johnson's shoes, a box of his personal possessions, and a white plastic bag of clothes.
    Johnson's sister identified the items as belonging to her brother. Additionally, clothes
    found at the residence bore laundry tags with the name of Darryl Johnson. Based on
    this evidence, both Clay and Stovall were arrested and charged.
    II. Discussion
    We will address the issues that Stovall raises and then proceed to the issues
    that Clay raises.
    A. Stovall—Plea Agreement
    Stovall argues that the government violated the spirit of the plea agreement by
    seeking a sentencing enhancement for the murder of Darryl Johnson. He also asserts
    -5-
    that the government violated the plea agreement because he pleaded guilty to Count
    1, which did not include Johnson's murder as part of the conspiracy to distribute
    marijuana. We review the interpretation of a plea agreement de novo. United States
    v. Parker, 
    512 F.3d 1037
    , 1039 (8th Cir. 2008).
    Stovall's plea agreement contained these stipulations:
    5. STIPULATIONS: The United States and the defendant stipulate to the
    following:
    A. The parties agree on the fact that Defendant Stovall conspired with
    individuals including Darryl Johnson, Benito Naito-Gastelum-Gastelum,
    Robert Arnett, and Nicholas Mendez-Morales to distribute and possess
    with intent to distribute at least 100 kilograms of marijuana. Therefore,
    a trial is not necessary to determine guilt or innocence as to Count 1of
    the Fifth Superseding Indictment.
    B. The parties, however, disagree about the potential sentence in this
    matter and specifically the United States Sentencing Guidelines
    enhancements that may or may not be applicable. Therefore the parties
    request that the Court hold a sentencing hearing for both sides to present
    evidence regarding the application of any guideline enhancements.
    In exchange for Stovall's guilty plea, the government dismissed Counts 2 and
    3 pertaining to Johnson's murder. But Section 5B of the plea agreement reflects that
    the government disclosed its intent to pursue enhancements to his drug conviction.
    The agreement does not exclude Johnson's murder as a potential consideration for a
    Guidelines enhancement at sentencing.
    The record reflects that Stovall was aware of this fact at the time he signed the
    plea agreement. After the plea agreement was signed, the district court, when
    scheduling a date for sentencing, stated, "I guess it will be litigated as to whether or
    not Mr. Stovall was involved with Mr. Clay in the homicide that he was involved in."
    -6-
    Stovall's lawyer responded, "Well, to the extent that it's allowable." The court then
    said, "I'll allow you to object, but I may hear evidence pertaining to that. Do you
    understand that?" Stovall responded, "Yes sir. I understand." This colloquy
    demonstrates that the court apprised Stovall that there might be sentencing
    ramifications for his participation in the activities leading to Johnson's death despite
    the language in the plea agreement.
    Moreover, although Stovall's plea agreement does not explicitly identify Clay
    and Walker as part of the drug conspiracy to which Clay admitted participation, their
    acts in furtherance of that conspiracy are not necessarily excluded from consideration
    by the court at Stovall's sentencing. The plea agreement states that "Stovall conspired
    with individuals including . . . ." The list does not include the names of Clay or
    Walker but does not appear to be exhaustive and did not specifically exclude them.
    The agreement expressly leaves the application of enhancements for resolution by the
    district court following a sentencing hearing.
    Stovall cites United States v. Garcia for the proposition that conditions may not
    be read into a plea agreement which would work a material change. 
    698 F.2d 31
    , 36
    (1st Cir. 1983). In Garcia, the appellant agreed to plead guilty pursuant to the terms
    of the plea agreement. 
    Id. at 35.
    The plea agreement stated that if the appellant
    cooperated, the recommendation might "include a recommendation of probation and
    fine." 
    Id. at 35
    n.3. On appeal, the government argued that the plea agreement
    included a requirement that the appellant pay restitution. 
    Id. at 35.
    The First Circuit
    disagreed, holding that "restitution is a material condition unlikely to be left to
    implication." 
    Id. at 36.
    Because that condition would work a material change to the
    plea agreement, the district court disallowed it. 
    Id. (citing United
    States v. Runck, 
    601 F.2d 968
    , 969–70 (8th Cir. 1979)).
    Unlike the appellant in Garcia, Stovall was aware that his sentence could be
    enhanced despite the dismissal of Count 2 and Count 3. He was even aware that he
    -7-
    could be sentenced to life imprisonment. With regard to potential punishment, Stovall
    affirmed at the plea hearing, "I understand that no less than ten years and life. That's
    what I understand."
    Stovall admittedly participated in the underlying drug conspiracy including the
    defalcation of Naito-Gastelum. Once discovered, Johnson's duplicity, shown by his
    continued allegiance to Naito-Gastelum, made him a threat to that conspiracy.
    Johnson's murder was foreseeable as a means of furthering the conspiracy's illicit
    enterprise. The absence of a more explicit reference to Johnson's death as a basis for
    a potential sentencing enhancement did not cause the government to violate Stovall's
    plea agreement by later advocating for the enhancement. See, e.g., United States v.
    Gamez, 
    301 F.3d 1138
    , 1148 (9th Cir. 2002) (holding that the enhancement applies
    even absent a factual finding that the defendant committed the murder so long as the
    murder was both reasonably foreseeable and in furtherance of the conspiracy). The
    district court found that Stovall was involved in the Johnson murder and that this
    murder furthered the conspiracy. The government was not forbidden by the plea
    agreement to seek the enhanced sentence. Therefore, we hold that the government did
    not violate the plea agreement and that the district court did not improperly enhance
    Stovall's sentence.
    B. Stovall—Severance
    Stovall next argues that the district court abused its discretion by granting the
    government's motion to sever. Federal Rule of Criminal Procedure 14(a) allows a
    court to sever a trial if either a defendant or the government can show that prejudice
    would result if the trials remained joined. When two or more defendants are indicted
    together, "there is a preference for a joint trial unless the party moving to sever can
    show that the benefits are outweighed by a clear likelihood of prejudice." United
    States v. Boone, 
    437 F.3d 829
    , 837 (8th Cir. 2006) (citing Zafiro v. United States, 
    506 U.S. 534
    , 537 (1993); United States v. Frazier, 
    280 F.3d 835
    , 844 (8th Cir. 2002)).
    The severance rules "are designed to promote economy and efficiency and to avoid
    -8-
    a multiplicity of trials." 
    Zafiro, 506 U.S. at 540
    (internal quotations and citation
    omitted). We have stated that "[o]nly in an unusual case will the prejudice resulting
    from a joint trial be substantial enough to outweigh the general efficiency of joinder."
    United States v. Al-Esawi, 
    560 F.3d 888
    , 891 (8th Cir. 2009). On appeal, we review
    the district court's decision to grant or deny a severance motion under an abuse of
    discretion standard that requires a showing of clear prejudice. United States v.
    Patterson, 
    140 F.3d 767
    , 774 (8th Cir. 1998).
    Here, the parties were properly joined and the matter was set for trial. Stovall's
    attorney then requested a continuance, citing serious personal medical issues. The
    district court determined that the continuance was essential and granted Stovall's
    motion. Because the duration of Stovall's counsel's medical infirmity was uncertain,
    the district court did not immediately set a new trial date. Stovall was directed to
    provide the court with an update of his attorney's fitness by October 1, 2007—less
    than two weeks after the date of the hearing. The government then moved for a
    severance and requested that Clay's trial proceed as planned. Both defendants
    objected. In its order granting the severance, the district court stated that "justice
    requires severing Defendant Stovall." But the court did not explain how a "clear
    likelihood of prejudice" would occur to the government if the parties were tried
    together. 
    Boone, 437 F.3d at 838
    .
    Five days after the district court granted the severance motion, Stovall's attorney
    received a clean bill of health from his physician. Stovall then requested that the court
    reconsider its motion to sever and grant Stovall a two-day delay from the original trial
    date. The district court denied the motion citing the "uncertain health status" of
    Stovall's attorney.
    On this record, we cannot say that a clear likelihood of prejudice justifying the
    severance of Stovall and Clay has been shown. In short, the preference for a joint trial
    in this case was not overcome, 
    id., and we
    are not faced with an "unusual case" in
    -9-
    which the resulting prejudice outweighed the efficiency of a joint trial. 
    Al-Esawi, 560 F.3d at 891
    . In the typical case, it is the defendants who seek severance to avoid jurors
    unfairly mixing evidence applicable to one defendant but not the other. This is truly
    the unusual case where the government seeks separate trials for codefendants.
    Whether in joint or separate trials, the government's burden and available evidence to
    establish the guilt of the two defendants remain the same. Regardless of which party
    seeks severance—the government or one or more of the defendants—the policy
    preference for joinder requires the district court to find prejudice to the moving party
    should the motion not be granted. No clear likelihood of prejudice to the government
    was established on this record.
    In this case, the major concern was uncertain delay due to the medical condition
    of Stovall's counsel. The delay proved to be minimal. In fact, only five days after the
    grant of severance, Stovall's attorney represented himself to be in good health and was
    apparently prepared to go to trial if accommodated with a two-day delay. The district
    court could have waited until October 1, 2007, as it had announced, to determine the
    health status of Stovall's counsel and then reset the trial date (or trial dates)
    accordingly. But the severance was immediately granted without a corresponding
    inquiry into the prejudice that would result to the government if the trial were delayed
    for a few additional days. Judicial economy and efficiency would have been better
    served by a brief continuance to allow a joint trial.
    But Stovall has not demonstrated how, if at all, he was prejudiced by the court's
    grant of the government's severance motion. Even if the district court abused its
    discretion in granting the severance motion, Stovall has not shown that the error
    compromised his defense in any meaningful respect. We therefore conclude that any
    error on the part of the district court in granting the government's severance motion
    was harmless. See, e.g., United States v. Bostic, 
    713 F.2d 401
    , 404 (8th Cir. 1983)
    (concluding that failure to grant a severance amounted to harmless error and did not
    warrant a new trial).
    -10-
    C. Stovall—Denial of Counsel
    Stovall also argues that he was denied counsel because evidence from Clay's
    trial was submitted without adequate lead time before Stovall's sentencing hearing. He
    contends that because the 24 volumes of transcripts and exhibits from Clay's trial were
    introduced only one week before sentencing, he was constructively denied counsel.
    Stovall argues that even competent counsel could not have provided effective
    assistance and that prejudice should be presumed.
    Stovall cites United States v. Cronic, 
    466 U.S. 648
    (1984), for the proposition
    that structural constitutional error can occur when an accused is denied counsel at a
    critical stage of the proceeding. This proposition, although true in principle, has no
    impact on Stovall's case because he has not shown that a denial of counsel actually
    occurred. Cronic involved a criminal defendant in a complex fraud case whose
    appointed counsel was an inexperienced civil attorney. 
    Id. at 649.
    The defendant's
    counsel was given only 25 days to prepare for trial, which involved the review of
    thousands of pages of documentary evidence. 
    Id. Nonetheless, the
    Court held that
    "[t]his case is not one in which the surrounding circumstances make it unlikely that
    the defendant could have received the effective assistance of counsel." 
    Id. at 666.
    The
    Court contrasted the defendant's case with that of the defendants in Powell v.
    Alabama, 
    287 U.S. 45
    (1932), who had indeed been denied counsel because their
    attorney was named on the day of trial in a capital case. Stovall's case is much more
    akin to the defendant in Cronic than to the defendants in Powell.
    Stovall was represented by counsel at all phases of his prosecution. It was less
    than optimal to have counsel burdened with a difficult document review task prior to
    sentencing. Nonetheless, Stovall has made no convincing argument based on the
    record or cited any controlling authority that the district court's admission of a large
    quantity of documentary evidence a week before his sentencing hearing constituted
    a complete denial of counsel.
    -11-
    Stovall also argues that one week to review 24 volumes from Clay's trial
    constituted insufficient notice under Federal Rule of Criminal Procedure 32. He
    argues that this short time frame allowed him an inadequate opportunity to comment
    on the factual information on which his sentence was based. Stovall seems to argue
    that Rule 32(c)(1) was violated, citing United States v. Nappi, 
    243 F.3d 758
    (3d Cir.
    2001), as support. But Nappi involved a defendant who had not received a copy of the
    presentence investigation report (PSR) prior to sentencing. 
    Id. at 760.
    The defendant
    did not object at the time of sentencing, and the court ultimately upheld the sentence
    on plain error review. 
    Id. In contrast,
    Stovall received his PSR before sentencing and
    has not alleged that he did not receive it within the time frame prescribed by Rule
    32(e)(2).3 He instead argues that the transcript from Clay's trial made preparing for a
    sentencing hearing essentially impossible. We disagree. The PSR itself put Stovall on
    notice of the factual allegations upon which his sentence recommendation would be
    based. It was not necessary to review the entire Clay transcript in order to address the
    facts alleged in the PSR. In fact, Stovall made only two objections to the PSR—one
    pertaining to the enhancement for leadership role and the other based on the
    application of a § 2D1.1(d)(1) cross reference. He does not state what evidence was
    admitted based on the Clay transcript that unfairly prejudiced him that would have
    been meaningfully disputed had he had more time to prepare. Stovall mentions that
    the court denied his request to subpoena witnesses to refute the evidence as untimely
    but did not appeal that ruling.
    Although the government appears, as the saying goes, to have "had its cake"
    (severed trial) and "eaten it too" (admission of co-defendant's trial transcript in
    sentencing), Stovall has fallen short in both fact and legal authority of showing that
    3
    Federal Rule of Criminal Procedure 32(e)(2) provides that "[t]he probation
    officer must give the presentence report to the defendant, the defendant's attorney, and
    an attorney for the government at least 35 days before sentencing unless the defendant
    waives this minimum period."
    -12-
    the district court committed reversible error in applying Rule 32.We conclude
    Stovall's conclusory argument of inadequate notice is unavailing on this record.
    D. Stovall—Sentencing
    Finally, Stovall argues that his sentence violates the Due Process Clause of the
    Fourteenth Amendment and is substantively unreasonable. We review the district
    court's interpretation of the Guidelines under a de novo standard. United States v.
    Vickers, 
    528 F.3d 1116
    , 1120 (8th Cir. 2008). We review the substantive
    reasonableness of the sentence for abuse of discretion. United States v. Saddler, 
    538 F.3d 879
    , 890 (8th Cir. 2008).
    1. Due Process
    Stovall argues that applying the cross reference in U.S.S.G. § 2D1.1(d)
    regarding the murder of Darryl Johnson violated his due process rights. Stovall
    contends that "the government avoided its burden to prove the elements of the crime
    they actually sought to punish, and relegated the same to a mere sentencing factor to
    obtain the punishment for a murder they could not otherwise prove." He argues that
    his sentence should not have been enhanced for Johnson's murder unless the
    government could prove the murder beyond a reasonable doubt, or at least by clear
    and convincing evidence. He characterizes the application of the enhancement as the
    "tail wagging the dog" because the punishment for the enhancement exceeds the
    punishment for the underlying crime of conviction. But we have recently held that
    "due process never requires applying the clear and convincing evidence standard to
    judicial fact-finding at criminal sentencing." United States v. Villareal-Amarillas, 
    562 F.3d 892
    , 897 (8th Cir. 2009). So long as the factor considered by the court is not an
    element of the offense charged, the sentencing factor may be proven by a
    preponderance of the evidence. 
    Id. Here, the
    district court sentenced Stovall for a narcotics offense under § 2D1.1.
    Section 2D1.1(d) contains a cross reference that is applied when a victim is killed
    -13-
    under circumstances that would constitute murder under 18 U.S.C. § 1111. The
    district court, applying principles of accomplice liability from Guidelines § 1B1.3,
    found Stovall responsible for the Johnson murder by a preponderance of the evidence
    and applied the § 2D1.1(d) cross reference. The cross reference directs the sentencing
    court to U.S.S.G. § 2A1.1, the Guideline section for homicide. The government
    contends that it did not have to prove that Stovall solicited Johnson's murder but only
    prove that the murder was a reasonably foreseeable act in relation to the Stovall drug
    enterprise. We agree and hold that the district court's application of § 2D1.1(d) did not
    violate Stovall's due process rights.
    2. Reasonableness
    Stovall makes numerous arguments attacking the overall reasonableness of his
    life sentence. We review the substantive reasonableness of the sentence for an abuse
    of discretion. 
    Saddler, 538 F.3d at 890
    . A district court abuses its discretion when it
    fails to consider a significant relevant factor, gives significance to an improper or
    irrelevant factor, or considers proper factors, but in weighing the factors commits a
    clear error of judgment. 
    Id. Essentially, Stovall
    asserts that the district court improperly weighed Johnson's
    murder in assessing his sentence. But we have already held that the district court could
    consider the murder in sentencing Stovall because the murder was a reasonably
    foreseeable result of Stovall's drug conspiracy. 
    See supra
    Parts II.A. and II.D.1. The
    ultimate inquiry on appeal is whether the district court considered the Guidelines
    advisory and properly weighed the 18 U.S.C. § 3553(a) factors. 
    Saddler, 538 F.3d at 889
    . Here, the district court noted its intention to weigh the § 3553(a) factors at the
    beginning of sentencing. Moreover, there is no indication that the district court treated
    the Guidelines as mandatory. Based on Stovall's plea statement referencing the drug
    conspiracy and the brutal murder of Johnson—a foreseeable act in furtherance of the
    drug conspiracy—the district court did not abuse its discretion in sentencing Stovall
    to life imprisonment, a sentence within the properly calculated Guidelines range.
    -14-
    E. Clay—Sufficiency of the Evidence
    Clay first argues that insufficient evidence exists to sustain his convictions for
    conspiracy to possess and distribute marijuana, conspiracy to use and discharge a
    firearm during and in relation to a drug trafficking crime, and use of a firearm to
    commit first-degree murder during and in relation to a drug trafficking crime. On a
    claim of sufficiency of the evidence, we "review the evidence in the light most
    favorable to the verdict, and reverse only if no reasonable jury could have found the
    appellant guilty beyond a reasonable doubt." United States v. Ireland, 
    62 F.3d 227
    ,
    230 (8th Cir. 1995). "A defendant challenging the sufficiency of the evidence in a
    conspiracy case has a heavy burden." United States v. Nolen, 
    536 F.3d 834
    , 842 (8th
    Cir. 2008) (internal quotations, alteration, and citation omitted).
    Clay argues that he was not part of the conspiracy to distribute marijuana and
    that Johnson's murder actually frustrated the conspiracy rather than furthered it. To
    prove conspiracy, the government must prove each of the following elements beyond
    a reasonable doubt: (1) the existence of a conspiracy; (2) the defendant's awareness
    of the conspiracy; and (3) the defendant's intentional decision to join the conspiracy.
    
    Id. Clay does
    not argue he was not a part of a marijuana conspiracy; he merely
    argues that Johnson's murder was a separate conspiracy to which he was not a
    member. Whether Johnson's murder was a separate conspiracy or furthered the
    purpose of a single conspiracy is a question of fact to be resolved by the jury. United
    States v. England, 
    966 F.2d 403
    , 406 (8th Cir. 1992). The jury in Clay's trial heard
    evidence that Clay was used as an "enforcer" to help Stovall further his drug
    trafficking activities. The jury heard testimony consistent with Clay murdering
    Johnson to help Stovall, a leader in the drug conspiracy, continue his business
    relationship with the Mexican drug cartel. Based on this information, the jury could
    reasonably believe the government's theory over Clay's theory.
    -15-
    There was also testimony presented to the jury that Clay told Walker that he
    was employed as an enforcer for Stovall, whom he described as a major drug dealer.
    In his role as enforcer, Clay purportedly ensured that all of Stovall's debts were
    collected. In carrying out his job as conspiracy enforcer, which included murdering
    Johnson, it is immaterial whether Clay knew all of the details of the conspiracy, so
    long as he knew that he was contributing to the furtherance of the
    conspiracy—namely, Stovall's drug trafficking business. See United States v. Massa,
    
    740 F.2d 629
    , 636 (8th Cir. 1984) (holding that a conspirator need not know all the
    details of the conspiracy as long as the evidence shows a knowing contribution in
    furthering the conspiracy).
    Here, the evidence was sufficient for a reasonable jury to have found that a
    conspiracy existed, determined that Clay was aware of this conspiracy, and concluded
    that Clay joined the conspiracy to help Stovall's drug trafficking business. Moreover,
    it was reasonable for the jury to believe that Johnson's murder furthered the common
    purpose of the conspiracy. Therefore, we conclude that there was sufficient evidence
    that Clay was a part of the conspiracy.
    F. Clay—Motion to Suppress
    Clay next argues that the district court erred in denying his motion to suppress
    because the search of his home violated the Fourth Amendment. In reviewing a denial
    of a motion to suppress, the factual findings are reviewed for clear error and the legal
    conclusions are reviewed de novo. United States v. Taylor, 
    519 F.3d 832
    , 833 (8th Cir.
    2008).
    Officers received a warrant to search Clay's residence for controlled substances,
    contraband, or other evidence related to the conspiracy. Nine months earlier, Drug
    Enforcement Administration Special Agent Karen Fehrenbach interviewed Darryl
    Johnson's sister after Johnson was murdered. Johnson's sister described to Agent
    Fehrenbach certain items of clothing that were missing from Johnson's house after the
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    murder. Upon searching Clay's house, Fehrenbach found certain items associated with
    Johnson and described by Johnson's sister, including a black velour jumpsuit, blue
    alligator shoes, a tennis shoe box container, and several leather jackets.
    Clay argues that his Fourth Amendment rights were violated because these
    items were not specifically listed in the search warrant. If an item not particularly
    described in the warrant is seized, it must fall within an exception to the Fourth
    Amendment's warrant requirement. United States v. Criswell, 
    696 F.2d 636
    , 640 (8th
    Cir. 1983). Here, the government sought to justify the seizure under the plain view
    doctrine.
    To qualify under the plain view exception, the government must prove that (1)
    the item is in plain view; (2) the officer is lawfully located where he may view the
    object; and (3) the incriminating nature of the evidence is "immediately apparent."
    Horton v. California, 
    496 U.S. 128
    , 136–37 (1990). "Immediately apparent" requires
    that the agent have "'probable cause to associate the property with criminal activity.'"
    United States v. Garner, 
    907 F.2d 60
    , 62 (8th Cir. 1990) (quoting Texas v. Brown, 
    460 U.S. 730
    , 741–42 (1983)). More specifically, probable cause demands that "the facts
    available to a reasonably cautious man would warrant a belief that certain items may
    be contraband or stolen property or useful as evidence of a crime." 
    Id. (internal quotations
    and citation omitted).
    The parties dispute only the incriminating nature of the evidence. Agent
    Fehrenbach testified that she immediately recognized that the items observed in Clay's
    residence belonged to the murder victim, explaining that some of the items "jumped
    out" at her based on her 19 years of experience and her extensive interview with the
    victim's sister. The facts known to Fehrenbach would justify her belief that the items
    were contraband.
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    Clay also argues that the officers rummaged through all of the occupant's
    belongings without limitation, ignoring the warrant's dictates. He relies on United
    States v. Clark, 
    531 F.2d 928
    , 930 (8th Cir. 1976), for the proposition that this type
    of exploratory search violates the Fourth Amendment. In Clark, officers searched the
    defendant's residence with a search warrant looking for controlled substances. 
    Id. at 931.
    Once there, the officers began to inventory all items found, including recording
    the serial numbers of guns and electronic equipment. 
    Id. at 931–32.
    The district court
    granted the motion to suppress because the search exceeded the scope of the warrant.
    
    Id. at 931.
    On appeal, the government argued that the items fell within the plain view
    doctrine. 
    Id. We disagreed
    because the incriminating nature of the items searched and
    seized was not immediately apparent. 
    Id. at 932–33.
    The circumstances of this case are distinguishable from Clark. The officers
    searching Clay's residence neither conducted an unbounded exploratory search nor
    recorded serial numbers of random items in the home seeking incriminating evidence
    of potential crimes. Furthermore, the incriminating nature of the items seized was
    immediately apparent to Agent Fehrenbach, who instantly connected the items to
    Johnson's homicide. We hold that the seizure of these items during the warrant search
    did not violate the Fourth Amendment and that the district court properly denied the
    motion to suppress.
    G. Clay—Sentencing
    Finally, Clay argues that because he was convicted of Count 2 under 18 U.S.C.
    § 924(o), he was erroneously sentenced under 18 U.S.C. § 924(c). The government
    did not reply to this argument in its brief. Clay also challenges the overall
    reasonableness of his 40-year sentence. We will address each sentencing issue in turn.
    1. Section 924(o)
    Count 2 charged Clay with conspiracy to use and discharge a firearm during
    and in relation to a drug trafficking crime, in violation of § 924(o). But Clay was
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    sentenced under § 924(c), which provides, in relevant part, that "no term of
    imprisonment imposed on a person under this subsection shall run concurrently with
    any other term of imprisonment imposed on the person." Conversely, § 924(o) does
    not contain any restriction on concurrent sentencing. See § 924(o) (stating that a
    "person who conspires to commit an offense under subsection (c) shall be imprisoned
    for not more than 20 years"). Relying on § 924(c), the district court sentenced Clay
    to 40 years' imprisonment on Count 1, to run consecutively to Clay's ten-year prison
    sentence on Count 2.
    Only the Sixth Circuit has addressed this issue. In United States v. Stubbs, the
    defendant pleaded guilty to § 924(o) but was sentenced under § 924(c). 
    279 F.3d 402
    ,
    405 (6th Cir. 2002), overruled on other grounds by United States v. Helton, 
    349 F.3d 295
    , 299 (6th Cir. 2003).4 On appeal, the defendant argued that he was erroneously
    sentenced under § 924(c) when he had pleaded guilty to § 924(o). 
    Id. The Sixth
    Circuit stated that because the statutes require different levels of proof as to conduct
    and mens rea and call for vastly different penalties, they consequently charge different
    offenses. 
    Id. at 409.
    That court concluded that it was plain error for the district court
    to sentence the defendant under § 924(c) without charging him under that statute. 
    Id. The Stubbs
    case is factually analogous and legally persuasive. Accordingly, we
    conclude that the district court erred in sentencing Clay pursuant to § 924(c) because
    § 924(c) charges a completely different offense than § 924(o)—the offense of
    conviction. But we also conclude that reversal is unwarranted. In addition to the above
    sentences, Clay was sentenced to life imprisonment without the possibility of release
    on Count 4—using a firearm to commit first-degree murder during and in relation to
    a drug trafficking crime, in violation of 18 U.S.C. §§ 924(j) and 1111. We have
    already upheld the sufficiency of the evidence on this count. 
    See supra
    Part II.E.
    4
    Stubbs was overruled on a separate sentencing issue in United States v. Helton,
    
    349 F.3d 295
    , 299 (6th Cir. 2003).
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    Because Clay's life without parole sentence stands as to Count 4, any sentencing error
    on Counts 1 and 2 constitutes harmless error. See, e.g., United States v. Blade, 
    336 F.3d 754
    , 758 (8th Cir. 2003) (holding that any error as to sentencing on count 1 was
    harmless because the defendant was sentenced to life without parole on counts two
    through five).
    2. Reasonableness
    Clay also argues that his 40-year sentence imposed on Count 1—conspiracy to
    possess with intent to distribute marijuana—was unreasonable. He cites United States
    v. Gillmore, 
    497 F.3d 853
    , 858–59 (8th Cir. 2007), for the proposition that the district
    court must justify an extraordinary variance with an extraordinary or equally
    compelling justification. But this line of reasoning is no longer good law after the
    Supreme Court's decision in Gall v. United States, 
    128 S. Ct. 586
    (2007). The Gall
    Court expressly rejected any "appellate rule that requires 'extraordinary' circumstances
    to justify a sentence outside the Guidelines range." 
    Id. at 594–95;
    see also United
    States v. Braggs, 
    511 F.3d 808
    , 812 (8th Cir. 2008) (same).
    In granting a variance, the district court only has to take into account the
    § 3553(a) factors and recognize that the Guidelines are not mandatory. Gall, 128 S.
    Ct. at 596–97. Here, Clay does not assert that the district court failed to take the
    § 3553(a) factors into account. In fact, he notes that the district court found that the
    safety of the public warranted an upward departure. See § 3553(a)(2)(C) (stating that
    "to protect the public from further crimes of the defendant" is a factor for the district
    court to consider). Clay asserts that his 40 year sentence is "615% above the high end
    of the sentencing guideline range." But Gall explicitly rejects "the use of a rigid
    mathematical formula that uses the percentage of a departure as the standard for
    determining the strength of the justifications required for a specific sentence." 
    Gall, 128 S. Ct. at 595
    . The district court did not abuse its discretion in this regard. In any
    event, we note that because Clay's life sentence without parole on Count 4 will remain
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    unchanged, any error by the district court on Count 1 is harmless. 
    See supra
    Part
    II.G.1. Therefore, Clay's sentence is affirmed.
    III. Conclusion
    For the foregoing reasons, we affirm the district court's decision in all respects.
    ______________________________
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