United States v. Watson , 695 F.3d 159 ( 2012 )


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  •           United States Court of Appeals
    For the First Circuit
    No. 11-1294
    UNITED STATES OF AMERICA,
    Appellee,
    v.
    TREVOR A. WATSON,
    Defendant, Appellant.
    APPEAL FROM THE UNITED STATES DISTRICT COURT
    FOR THE DISTRICT OF MASSACHUSETTS
    [Hon. William G. Young, U.S. District Judge]
    Before
    Lynch, Chief Judge,
    Lipez and Howard, Circuit Judges.
    Kevin L. Barron for appellant.
    Zachary R. Hafer, Assistant United States Attorney, with whom
    Carmen M. Ortiz, United States Attorney, was on brief, for
    appellee.
    September 25, 2012
    HOWARD, Circuit Judge.        Trevor Watson was convicted,
    after a four-day jury trial, of attempting to kill a federal
    witness with intent to prevent testimony and communication with law
    enforcement, see 18 U.S.C. § 1512(a)(1)(A), (C), for which he was
    sentenced to 360 months' imprisonment.       He appeals the conviction,
    challenging several of the district court's evidentiary rulings and
    asserting    that   the   prosecution's    allegedly   improper   closing
    argument severely prejudiced his case.        We affirm.
    I.
    A brief summary of the facts suffices for now, although
    we will engage in a more detailed discussion of certain facts and
    evidence in our analysis of the claims presented on appeal.
    In mid-2008, Curtis Best, his associate Antonio Narvaez,
    and their purported ringleader John Camacho were among those
    indicted for participating in a substantial Massachusetts-based
    cocaine conspiracy (the "Camacho conspiracy").             Best agreed to
    cooperate, and he assisted federal authorities in identifying
    additional co-conspirators, including the appellant Trevor Watson.
    Based on this and other evidence, Watson was indicted in April 2010
    for his personal involvement in the illicit operation.
    On February 27, 2010 -- roughly two months prior to his
    indictment -- Watson, accompanied by his friend Jonathan Ace,
    approached Best and mutual acquaintance Al Rue outside of Ann
    Jackson's Barbershop in Boston's South End.            While Ace and Rue
    -2-
    engaged in casual conversation, Watson and Best slowly walked and
    talked, lamenting their recent lack of communication.                A short
    distance from the barbershop, Watson stopped, enveloped Best in a
    faux embrace, and stabbed him ten times in the kidney, chest, arms,
    and hands while stating "So you talking?         So you telling, huh?"      At
    the time, Best was still actively cooperating with law enforcement
    on the Camacho case.
    Ace   and   Rue   separated    the   two,   whereupon    Best   was
    transported to the hospital for emergency surgery.                 During his
    initial police interview the following day, Best described his
    assailant as a "light to medium skinned, short, stocky male that
    spoke with a Hispanic accent," and "a Spanish guy with an accent,"
    neither of which fit the appellant.             Several days later, Best
    recanted those descriptions, and with the assistance of a police-
    arranged photo array, identified Watson as his attacker.
    Shortly thereafter, a federal grand jury in the District
    of Massachusetts indicted Watson on one count of attempting to kill
    a   federal   witness    with    intent    to    prevent    testimony      and
    communication with law enforcement, 18 U.S.C. § 1512(a)(1)(A), (C),
    and one count of using physical force against a federal witness
    with intent to prevent the same, see 18 U.S.C. § 1512(a)(2)(A),
    (C).   Watson's first trial ended in a hung jury in November 2010.
    He was convicted after a second trial less than a month later, and
    -3-
    the district court imposed a 360-month incarcerative sentence.
    This timely appeal ensued.
    II.
    Watson challenges only his conviction, alleging that:
    (1) the district court erred in admitting certain documents and
    testimony at trial, and (2) an improper inference drawn by the
    prosecutor during closing argument irreversibly prejudiced his
    case.     We address each of these claims in turn.
    A. Evidentiary Issues
    Although the admissibility of evidence is ordinarily
    reviewed for abuse of discretion, United States v. Barrow, 
    448 F.3d 37
    , 42 (1st Cir. 2006), where, as here, the appellant failed to
    interpose any contemporaneous objections at trial, a district
    court's evidentiary determinations are subject only to plain error
    review, Udemba v. Nicoli, 
    237 F.3d 8
    , 16 (1st Cir. 2001).             To
    prevail under this exacting standard, Watson must demonstrate that
    the district court's decision to admit any of the challenged
    evidence constituted (1) an error which was (2) clear or obvious,
    and which not only (3) affected his substantial rights, but also
    (4)     seriously   affected   the   fairness,   integrity,   or   public
    reputation of the judicial proceedings. United States v. Savarese,
    
    686 F.3d 1
    , 12 (1st Cir. 2012).1
    1
    The appellant directs our attention to certain general
    objections made by trial counsel, which, if interpreted broadly, he
    argues, might have preserved some of his evidentiary claims for
    -4-
    1. Evidence Concerning the 2002 Paul Pierce Trial
    While Watson awaited trial for the subject offense,
    authorities   seized   from     his   prison   cell   three   seemingly
    incriminating documents.      The first, a letter to his friend Ricky
    Knight, included the following pertinent excerpt:
    I am charged with intimidating a federal
    witness that has been working since 2007, and
    assault with intent to murder an informant in
    front of a barber shop.     The police report
    says it[']s a male 30-35 years old with a
    Spanish accent. The police report also says
    [Best] identified me by putting both thumbs up
    at my picture . . . in the photo [a]rray.
    . . . I had introduced my lawyer to the fact
    that if [Best] was to sign an aff[i]davit
    saying I'm not the guy who stabbed him it was
    some Spanish guy about 30, which I am not
    either, I'll be alright, so please holla at
    [Al Rue] and let's end this [stuff]."
    In a second letter addressed to his friend Keith McCarthy, Watson
    wrote:
    I am charged with assault with intent to
    murder an[d] intimidat[e] federal informant
    . . . Curtis Jason Best . . . . The incident
    happened at Ann's barbershop by Slades. The
    barber that was there is a good friend Ricky
    Knight [phone number redacted] he also is good
    friends with [Best], so he could be very
    helpful. I need you to find out if Ann the
    [barbershop] owner made a statement to help me
    or not. The police report said it was a 30-35
    year old man with a Spanish [a]ccent that
    assaulted [Best].    The Boston Police said
    appeal. After carefully reviewing the record, we conclude that any
    such objections were insufficient to put the district court on
    notice of the specific arguments that he now attempts to advance.
    See United States v. Hernández, 
    218 F.3d 58
    , 69 n.9 (1st Cir.
    2000).
    -5-
    [Best] picked out my picture 4 or 5 days later
    as his attacker. The Paul Pierce [case] was
    the same way, but at trial, he changed his
    statements and I got found not guilty of
    [attempted murder].    . . .    Barber Rick -
    [phone number redacted]. I need [Best] to let
    those people know that it was a Spanish
    unknown person around 30 in a aff[i]davit.
    . . . I hear [Best] confronted the Spanish
    guy & cut him first, then the tables turned
    real ugly. I'll be here for a while, stay in
    touch, I'll look forward to your return
    letter.
    (Emphasis added).        Finally, in what appears to be a personal pre-
    trial checklist, Watson scribed the following:
    (1) Have the Barber, TrueC, Bum, or someone
    have [Best] sign an aff[i]davit saying it[']s
    a 30 year old Spanish [g]uy.
    (2) I had no knowledge of the Camacho case and
    no contact with anyone involved.
    (3) Shara can put 10 witnesses at the scene
    saying it was a 30 year old Spanish [g]uy.
    (4) Please have [Best] in court on the stand
    with my barber present, TrueC, Bum, Fred,
    Keith, & [a] host of others.
    (5) . . .    Turned myself in [for the] Paul
    Pierce case and this one.
    (Emphasis added).
    The potential evidentiary import of these documents is
    plain:    they may fairly be viewed as evidence of a plan to solicit
    false    or    misleading       eyewitness   testimony.     Less    transparent,
    however       --   at   least    without     additional   context    --   is   the
    significance of Watson's analogies to the "Paul Pierce case."
    Thus, after properly admitting the documents at trial as admissions
    by a party opponent, see Fed. R. Evid. 801(d)(2)(A), the court took
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    judicial notice, to which both parties expressly stipulated, of the
    following facts:
    I'm taking judicial notice of certain
    facts related to a 2002 Paul Pierce trial.
    Trevor A. Watson and two other individuals
    were charged with assault with intent to
    murder, assault and battery by means of a
    dangerous weapon, and assault and battery in
    relation to the stabbing of Paul Pierce at the
    Buzz Club in Boston, Massachusetts, on
    September 25th, 2000.
    Mr. Watson was found not guilty of each
    of the charges which charged assault with
    intent to murder, assault by means of a
    dangerous weapon.    Those are the stabbing
    charges. But he was found guilty of assault
    and battery.    That means an unlawful push,
    shove, punch, kneeing someone.    But not the
    stabbing charges.
    Prior to the trial of the Paul Pierce
    case, Krystal Bostick told the Providence
    Police Department that on September 25th,
    2000, she saw a man known to her as Trevor
    stab Paul Pierce in the back at the Buzz Club
    . . . Bostick also identified a photograph of
    Trevor Watson in an array.      In grand jury
    proceedings before trial, Bostick, under oath,
    described Watson as attacking Pierce from
    behind trying to pull him down from the neck,
    and during this attack wielding a smooth edged
    knife attached to brass knuckles.
    . . .    After her interview with the
    Providence Police, and her testimony in the
    grand jury, but prior to trial, Krystal
    Bostick reached out to Mr. Watson's defense
    counsel, met with defense counsel, and signed
    an affidavit during that meeting in which she
    recanted her prior testimony.
    . . . When called as [a] witness at
    trial, Bostick gave nonresponsive answers to
    the    prosecutor's    questions,    including
    testifying that she did not remember the
    events at the Buzz Club, and at one point
    testified that she had no memory of where she
    was on September 25, 2000.
    -7-
    Throughout   her   testimony,  Bostick
    repeatedly recanted her prior statements and
    identifications.   Specifically, with respect
    to Trevor Watson, Bostick acknowledged only
    that she had seen Watson on the night in
    question at the Buzz club and denied that she
    had seen Watson involved in any aspect of an
    altercation or possession of a knife.
    Now, those are matters as to which I
    have taken judicial notice of another case,
    not our case. I tell you that those matters
    are undisputed and clear from the transcript
    of that other case.      Beyond that, I say
    nothing further.
    See Fed. R. Evid. 201 (permitting judicial notice of adjudicative
    facts).         Watson now argues that despite his prior stipulation, the
    judicially noticed facts constitute inadmissible "prior bad acts"
    evidence pursuant to Federal Rules of Evidence 404(b) and 403.            We
    disagree.2
    It is common ground that evidence of prior bad acts,
    including a defendant's antecedent criminal activities, may not be
    introduced to prove subsequent "action in conformity therewith."
    Fed.       R.   Evid.   404(b).   Nevertheless,   such   evidence   may   be
    admissible if it holds special relevance -- that is, if it tends to
    prove a material fact apart from a mere propensity to behave in a
    certain way -- as long as its probative value is not substantially
    outweighed by any unfairly prejudicial effect.           United States v.
    2
    In stipulating to the trial judge's notice, Watson arguably
    relinquished his right to pursue this claim on appeal at all. See
    United States v. Carrasco-de-Jesús, 
    589 F.3d 22
    , 26 (1st Cir. 2009)
    (defining waiver as the "intentional relinquishment of a known
    right"). Even if the claim was not waived, we reject the argument
    on its own terms in any event.
    -8-
    Mare, 
    668 F.3d 35
    , 38-39 (1st Cir. 2012).               Here, Watson's abstract
    references to the "Paul Pierce case" -- in which he was acquitted,
    in part due to multiple eyewitness abjurations -- are specially
    relevant in that they evince a clear consciousness of guilt, the
    full   weight   of   which   would   be     lost   on    the   jury   absent   the
    introduction of some limited factual foundation. See United States
    v. Gilbert, 
    229 F.3d 15
    , 20 n.3 (1st Cir. 2000) (recognizing
    consciousness of guilt as a basis for special relevance under Rule
    404(b)); cf. United States v. Charles, 
    456 F.3d 249
    , 256 (1st Cir.
    2006) (affirming admission of prior bad acts evidence, in part
    because it was "highly relevant to the narrative of the [subject
    offense]").
    Nor were these facts excludable under Rule 403, which is
    designed to filter "unfair" prejudice to the defendant -- the
    possibility that the jury will draw inferences that were not
    warranted by the evidence or permitted by the rules.                  See United
    States v. Taylor, 
    284 F.3d 95
    , 104 (1st Cir. 2002).                       Watson's
    association with an attack on a local sports celebrity is unusually
    conspicuous, and probably adverse to him -- but not unfairly
    prejudicial. The Pierce comparisons were originally invoked not by
    the government, but by the appellant himself, and the court's
    corresponding    notice      was   narrowly    confined        to   the   material
    necessary for an understanding of their gravity. Indeed, the judge
    explicitly forbade the government from intimating the motivation
    -9-
    for Krystal Bostick's recantation (that is, her fear of Watson).
    That       restriction,   and    the    judge's   cautionary       instructions
    addressing the jury's ability to weigh the evidence, further
    circumscribed      any    prejudicial    impact.3      See   
    id. (upholding admission of
    404(b) evidence in light of trial judge's cautionary
    instruction).
    In   the    end,   Rule     403's     balancing   act     "is   a
    quintessentially fact-sensitive enterprise, and the trial judge is
    in the best position to make such factbound assessments."               
    Udemba, 237 F.3d at 15-16
    .           For that reason, "[o]nly rarely and in
    extraordinarily compelling circumstances will we, from the vista of
    a cold appellate record, reverse a district court's on-the-spot
    3
    Specifically, the judge noted:
    So powerful, however, is your role as jurors
    that once I start reading, even though I'm
    saying this is undisputed . . . you as jurors
    can decide whether to believe what I've read,
    but you can disbelieve it and disregard it.
    It's evidence.   And just like the evidence
    from any witness, I will tell you . . . you
    may believe everything that any one of these
    witnesses says to you here from the witness
    stand; but equally, as you are common sense
    men and women, you may disbelieve and
    disregard it. . . . Now, those are matters
    as to which I have taken judicial notice of
    another case, not our case.    . . .   Beyond
    that, I say nothing further.
    The judge gave a similar cautionary instruction at the close of the
    case, stating: "[T]he lawyers said, well, we don't dispute [those
    judicially noticed facts]. That's a stipulation. But with respect
    to [the Pierce case], so powerful is your role as jurors [that] you
    can disbelieve that."
    -10-
    judgment concerning the relative weighing of probative value and
    unfair effect."    
    Id. at 16 (quoting
    Freeman v. Package Mach. Co.,
    
    865 F.2d 1331
    , 1340 (1st Cir. 1988)) (internal quotation marks
    omitted).     The circumstances here are neither extraordinary nor
    compelling; the trial judge merely presented the jury with an
    abbreviated context for those references, made by the appellant,
    that supported the narrative and insinuated his consciousness of
    guilt.   From this we can discern no error, plain or otherwise.
    2. Testimony Concerning the Camacho Conspiracy
    In his second assignment of evidentiary error, Watson
    assails the admission of all testimony related to the Camacho
    conspiracy.     Specifically -- or generally, given the sweeping
    imprecision of his challenge -- he claims that:         (1) the testimony
    of Curtis Best, Best's former co-conspirator Antonio Narvaez, and
    DEA Agent Dennis Barton "cast a pall of fear and loathing and
    accentuated    unfair   prejudice";   and   (2)   the   "repetitive   and
    unnecessary . . . testimony by [Narvaez and Barton does] little
    more than bolster Best's testimony."
    We need not tarry. We presume that the appellant's first
    contention rests, once again, on Rules 404(b) and 403.                The
    argument is unpersuasive.     Watson's participation in the Camacho
    conspiracy, and Best's cooperation with authorities -- to which
    Best, Narvaez, and Barton testified extensively -- had special
    relevance because it demonstrated Watson's motive:          to eliminate
    -11-
    the snitch.    See Fed. R. Evid. 404(b) (noting that "prior bad act"
    evidence "may be admissible for another purpose, such as proving
    motive").     Additionally, the crime with which Watson was charged
    required the government to prove not only that he attempted to kill
    Best, but that he did so with the specific intent to prevent Best
    from testifying or communicating with law enforcement.       See 18
    U.S.C. § 1512(a)(1)(A), (C).    The Camacho testimony was therefore
    essential to prove a necessary element of the subject offense.
    Given the critical nature of this evidence, its probative value was
    not substantially outweighed by any unfair prejudice.    See United
    States v. DeCicco, 
    370 F.3d 206
    , 214 (1st Cir. 2004) (finding
    danger of unfair prejudice to be minimal where 404(b) evidence was
    offered "for the limited purpose of showing motive"); United States
    v. Alzanki, 
    54 F.3d 994
    , 1007 (1st Cir. 1995) (where evidence is
    probative of an element of a charged crime, Rule 404(b) does not
    automatically preclude its admission).
    As to the latter claim of improper bolstering, Watson is
    unable to identify which parts of Narvaez's or Barton's testimony
    might be suspect.    Accordingly, we reject this argument.
    3. Ann Jackson's Eyewitness Testimony
    Soon after the February 27, 2010 attack, Boston Police
    Detective John Kelleher interviewed Ann Jackson, who owned the
    barbershop where the incident occurred.     According to Kelleher's
    testimony, Jackson initially identified Watson as Best's assailant,
    -12-
    requesting     anonymity     for   fear   of   reprisal.      During       Watson's
    subsequent trials, however, Jackson recanted her identification;
    generally uncooperative, she denied any knowledge of the attack and
    essentially refused to respond to questions intended to elicit the
    reason for her inconsistent statements.
    Although      Watson    broadly     challenges    the    admission      of
    Jackson's testimony, he is able to offer only an oblique suggestion
    that "the government wanted to convince the jury that Jackson was
    afraid of Watson when it had no admissible evidence to show that
    this was true."       That elaboration falls short of the development
    required for     consideration      on    appeal.     See United       States     v.
    Zannino, 
    895 F.2d 1
    , 17 (1st Cir. 1990) ("[I]ssues adverted to in
    a perfunctory manner, unaccompanied by some effort at developed
    argumentation, are deemed waived").
    In any event, our review of Jackson's testimony provides
    no   support    for   this    challenge.         Jackson    was    called    as    an
    eyewitness,     albeit   a   reluctant     and    recalcitrant      one,    to    the
    critical event in the case.          After she reiterated, during direct
    examination, her inability to recall the events at issue, the
    following colloquy ensued:
    Prosecution:     Do   you   remember   telling
    Detective Kelleher that you didn't want to get
    involved because you were afraid that the
    young people would just shoot you?
    Jackson:      Yes, I did.
    -13-
    Prosecution: Is that why . . . your memory's
    failing you today?
    Jackson:   I don't understand what you mean.
    Prosecution: Is that why you're saying that
    you don't remember what you said previously to
    the detectives because you're afraid?
    Jackson:   No.
    Prosecution: Are you . . . denying you saw
    the altercation because you're afraid for your
    own safety?
    Jackson:   No.
    At bottom, Jackson conceded that she was afraid of "neighborhood"
    reprisal, and was asked whether this fear caused her about-face.
    There was nothing improper about the admission of this testimony,
    and without more, Watson's vague protestation to the contrary lacks
    merit.
    4. Inadvertent Introduction of Prior Criminal History
    In his final evidentiary charge, Watson contends that the
    admission of a document bearing his partial criminal history was
    plainly erroneous.   It was not.
    The exhibit in question comprised the criminal complaint
    in this case, as well as the supporting affidavit of DEA Special
    Agent Brian Tomasetta.     Tucked on page three of the eight-page
    document, a footnote contained the following brief recitation of
    the appellant's partial criminal record:
    WATSON has a significant and violent criminal
    history.    In addition to numerous state
    arrests for assault and battery and drug and
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    gun-related charges, WATSON was convicted of
    the following felonies: (1) Possession of a
    Class B controlled substance, Roxbury District
    Court, in 2008; (2) Assault and Battery,
    Suffolk Superior Court, in 2000; (3) Felon in
    Possession of a Firearm, U.S. District Court,
    District of Massachusetts, 1995; (4) Armed
    Robbery, Suffolk Superior Court, 1986; and (5)
    Robbery, Roxbury District Court, 1986.
    The government acknowledges that the admission of this material
    constituted clear and obvious error, but that alone is insufficient
    to satisfy the plain error test.   The appellant must also show that
    the error affected his substantial rights, as well as the fairness,
    integrity, or public reputation of the judicial proceedings.    See
    
    Savarese, 686 F.3d at 12
    .   He has not met that burden.4
    There is little question that the inclusion of the
    footnote was inadvertent:   the government, on at least one prior
    occasion, had voluntarily declined to submit evidence on the ground
    that it similarly referred to Watson's criminal history.    Nor was
    the challenged material called to the jury's attention, or elicited
    at trial in any way beyond its inclusion in Agent Tomasetta's
    affidavit.   See United States v. McCallum, 
    584 F.3d 471
    , 478 (2d
    4
    The appellant's argument consists of the following: "[T]he
    government introduced, without objection . . . a complaint
    affidavit of Agent Tomasetta containing, among other hearsay, a
    recital of Watson's criminal history . . . , a bolstering of
    informant Best, and an extensive description of Watson's alleged
    participation [in the Camacho conspiracy]."       The Rule 404(b)
    component has already been addressed, 
    see supra
    Section II.A.2, and
    the bolstering and hearsay allegations are not sufficiently
    developed, see 
    Zannino, 895 F.2d at 17
    ; see also United States v.
    Rodriguez, 
    675 F.3d 48
    , 59 (1st Cir. 2012) ("[I]t is not the job of
    this court to do [appellant's] work for him.").
    -15-
    Cir. 2009) (noting as relevant to the 404(b) analysis that "the
    government did not draw undue attention to the prior convictions").
    Indeed, to the extent that the jurors might have been aware of the
    information, it revealed little more than the fact that Watson had
    an extensive history of violent crime -- a fact of which they were
    already    cognizant,    given    the     proper   admission    of    evidence
    concerning the Paul Pierce and Camacho cases. Cf. United States v.
    Harrington, 370 F. App'x. 216, 219 (2d Cir. 2010) (affirming the
    admission of 404(b) evidence, in part because "the jury was already
    aware . . . that the defendant had committed a prior felony").
    To be sure, the footnote should have been redacted, and
    its admission was improper.           See Fed. R. Evid. 404(b).       It would
    appear, however, that the impropriety was simply an oversight by
    all parties involved, and in light of the otherwise overwhelming
    evidence of Watson's guilt, we do not think that this isolated
    reference to his partial criminal record warrants a new trial. Cf.
    United States v. Allen, 
    425 F.3d 1231
    , 1236 (9th Cir. 2005)
    (finding   no   error,   given    overwhelming     evidence    of    guilt,   in
    district court's denial of motion for mistrial where witness had
    inadvertently     referred       to     criminal    defendant's       previous
    incarceration).
    B. Prosecution's Closing Argument
    Watson's remaining challenge is also readily dispatched.
    Specifically, he posits that the following statements, made by the
    -16-
    prosecutor in rebuttal to his counsel's closing argument, created
    a threat of unfair prejudice:
    Don't discount the importance of the testimony
    of Ann Jackson which at first may not have
    seemed that significant.     But if you look
    closely at what she said, and you remember
    what Detective Kelleher and Special Agent
    Barton told you that when they talked to her
    she was scared and nervous and apprehensive,
    and remember her own testimony to the effect
    of kids these days will just shoot you.
    . . .   And I ask you particularly to think
    about her testimony in light of the judicial
    notice Judge Young took at the beginning of
    this case regarding the Paul Pierce matter and
    Krystal Bostick and how she initially saw a
    knife in Trevor Watson's hands, and by the
    time the trial came around she didn't remember
    that anymore.
    Because defense counsel did not object to these statements during
    trial, our review is, once more, for plain error only.        United
    States v. Allen, 
    469 F.3d 11
    , 16 (1st Cir. 2006).          Thus, the
    prosecutor's remarks, even if erroneous, will necessitate reversal
    of the verdict only if Watson shows, at the very least, that they
    affected the outcome of his trial.     See United States v. Van Anh,
    
    523 F.3d 43
    , 55 (1st Cir. 2008).   He falls short of doing so.
    In light of the strong evidence of Watson's guilt, it is
    clear that these remarks did not affect his substantial rights. As
    such, we need not analyze whether the allegedly improper assertions
    were a mere fair commentary or a skirting of the trial judge's
    effort to cabin propensity evidence.    The overwhelming evidence of
    Watson's guilt -- including, inter alia, the testimony of several
    -17-
    eyewitnesses, which was largely corroborated by the content of
    Watson's self-incriminating letters -- significantly reduced the
    likelihood       that     the   remarks    unfairly     prejudiced   the    jury's
    deliberations, and Watson has not proffered evidence remotely
    sufficient to potentially refute this conclusion.                    See United
    States     v.    Verrecchia,      
    196 F.3d 294
    ,   302   (1st   Cir.   1999)
    (inappropriate statements in prosecution's closing argument did not
    amount to plain error where evidence was otherwise overwhelming);
    United States v. Manning, 
    23 F.3d 570
    , 574 (1st Cir. 1994) (same).
    The chance that these statements, excessive though they may have
    been, affected the outcome of the trial was negligible.
    In all events, the district court limited the risk of any
    residual prejudice by strongly cautioning the jury that counsel's
    closing arguments were not evidence, and directing the jurors to
    base their verdict solely on the evidence as they remembered it.
    See United States v. Mejia-Lozano, 
    829 F.2d 268
    , 274 (1st Cir.
    1987) (finding that similar instructions mitigated the prejudicial
    effect of misstatements made during closing argument).                      Thus,
    counterbalanced by a mountain of evidence, and couched by the
    district        court's     timely      (and     presumably    followed)     jury
    instructions, see United States v. Gonzalez-Vazquez, 
    219 F.3d 37
    ,
    48 (1st Cir. 2000), the remarks by the prosecutor in rebuttal,
    though perhaps improper, did not amount to plain error.
    -18-
    III.
    For   the   reasons   elucidated   above,   we   affirm   the
    appellant's conviction.
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