United States v. Rosario , 640 F. App'x 18 ( 2016 )


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  •                 Not for publication in West's Federal Reporter
    United States Court of Appeals
    For the First Circuit
    Nos. 14-1584
    14-1605
    UNITED STATES OF AMERICA,
    Appellee,
    v.
    ALEJANDRO MARTINEZ AND PAULO ROSARIO,
    Defendants, Appellants.
    APPEALS FROM THE UNITED STATES DISTRICT COURT
    FOR THE DISTRICT OF PUERTO RICO
    [Hon. Daniel R. Domínguez, U.S. District Judge]
    Before
    Barron and Stahl, Circuit Judges,
    and Sorokin,* District Judge.
    Merritt Schnipper for appellant Martinez.
    Paul M. Glickman, with whom Glickman Turley LLP was on brief,
    for appellant Rosario.
    David M. Lieberman, Attorney, Criminal Division, Appellate
    Section, U.S. Department of Justice, with whom Rosa Emilia
    Rodriguez-Velez, United States Attorney, Nelson J. Perez-Sosa,
    Appellate Chief, Leslie R. Caldwell, Assistant Attorney General,
    and Sung-Hee Sue, Deputy Assistant Attorney General, were on brief,
    for appellee.
    March 15, 2016
    ____________________
    * Of the District of Massachusetts, sitting by designation.
    PER CURIAM.    Alejandro Martinez and Paulo Rosario were
    traveling on a small vessel in the strait between the Dominican
    Republic and Puerto Rico when a United States Coast Guard ("USCG")
    patrol plane spotted them jettisoning into the sea what was later
    determined to be bales of cocaine.              Shortly thereafter, Martinez
    and Rosario were apprehended and brought to Puerto Rico, where
    they stood trial together on drug conspiracy charges.                  Both men
    now appeal from their convictions.                After careful review, we
    AFFIRM.
    I. Facts and Background
    A.     The Ill-Fated Voyage
    In the early evening hours of August 16, 2012, a USCG
    patrol aircraft was operating above the Mona Passage, a roughly
    eighty-mile       stretch    of   Atlantic     Ocean   between   the   Dominican
    Republic and Puerto Rico.          The crew spotted what appeared to be a
    small fishing vessel, or "yola," heading in the direction of Puerto
    Rico.        As the aircraft approached, two men aboard the yola were
    seen throwing four white bales overboard, before changing course
    and heading back toward the Dominican Republic.               Summoning a USCG
    cutter, the flight crew maintained visual contact with the yola.
    At approximately the same time, a Customs and Border Patrol boat
    was   dispatched      to    retrieve   the     bales   that   had   been   thrown
    overboard.       The bales were recovered and were found to contain a
    total of some sixty-seven kilograms of cocaine.
    - 2 -
    In short order, the USCG cutter arrived and intercepted
    the yola.   USCG personnel boarded the yola and questioned its two
    occupants, Martinez and Rosario, one of whom (it is not clear
    which) indicated that he was in the process of registering the
    yola in the Dominican Republic.      Aside from the name "Alicantino"
    painted on the hull, however, the yola had no visible markings,
    did not carry a national flag, and there was no other evidence of
    registry onboard.
    In response to an inquiry by the USCG, authorities in
    the Dominican Republic indicated that they had no record of the
    yola.     As a result, in accordance with the Maritime Drug Law
    Enforcement Act ("MDLEA"), 46 U.S.C. § 70501 et seq., the USCG
    concluded that the yola was "a vessel without nationality" and was
    therefore subject to the jurisdiction of the United States.       See
    46 U.S.C. §§ 70502(c)(1)(A) and (d)(1)(C).     Accordingly, Martinez
    and Rosario were taken into custody, transported to Puerto Rico,
    and turned over to the Drug Enforcement Agency ("DEA").       Several
    days later, in an interview with DEA Agent Jose Torres, Rosario
    waived his Miranda rights and confessed, implicating both himself
    and Martinez in a conspiracy to smuggle cocaine from the Dominican
    Republic to Puerto Rico.
    B.     Indictment and Trial
    Martinez and Rosario were both indicted on one count of
    conspiracy to possess with intent to distribute five kilograms or
    - 3 -
    more of cocaine on board a vessel subject to the jurisdiction of
    the United States, in violation of the MDLEA, and one count of
    conspiracy to import five kilograms or more of cocaine into the
    United States, in violation of 21 U.S.C. §§ 952, 960, and 963.                    On
    a motion in limine filed by the government, the district court
    found that MDLEA jurisdiction existed because the yola was, in
    fact,   a   vessel      without     nationality    subject    to     United   States
    jurisdiction.1
    The case proceeded to trial.          Over Martinez's objection
    (and his request for a severance), the jury heard testimony from
    DEA   Agent       Torres,   who   described     Rosario's    confession,      albeit
    without     directly     stating     that   the   confession    also    implicated
    Martinez.         The jury returned guilty verdicts as to the defendants
    on both counts of the indictment.                  Subsequently, Rosario was
    sentenced to concurrent 210-month sentences on each of the two
    counts.2          Martinez,   who    had    sustained   a    prior    felony   drug
    conviction and was subject to a twenty-year mandatory minimum,
    1
    MDLEA jurisdiction "in this context refers to the
    enforcement reach of the statute - not federal court subject-
    matter jurisdiction, which extends to any federal felony." See
    United States v. Matos-Luchi, 
    627 F.3d 1
    , 4 n.4 (1st Cir. 2010).
    While Rosario and Martinez both challenge the finding of MDLEA
    jurisdiction, there is no dispute that the district court had
    jurisdiction to hear the second count of the indictment, conspiracy
    to import five kilograms or more of cocaine.
    2
    These sentences were later reduced to 168 months as a
    result of a motion filed pursuant to 18 U.S.C. § 3582(c)(2).
    - 4 -
    received concurrent 262-month sentences.
    Martinez and Rosario both appeal their convictions, but
    on different grounds.      Because the bases of the appeals vary, we
    consider each separately.
    II. Rosario's Appeal
    As indicated, the district court found that jurisdiction
    existed under the MDLEA because the court concluded that the yola
    was properly deemed a vessel without nationality. Rosario's appeal
    is devoted solely to challenging this finding.              Our review of the
    district court's finding of MDLEA jurisdiction is de novo.             United
    States v. Mitchell-Hunter, 
    663 F.3d 45
    , 49 (1st Cir. 2011).
    A.   The MDLEA
    The    MDLEA     makes   it      unlawful    to     "knowingly    or
    intentionally . . . possess with intent to . . . distribute[] a
    controlled substance on board . . . a vessel subject to the
    jurisdiction of the United States." 46 U.S.C. § 70503(a)(1). This
    prohibition "applies even though the act is committed outside the
    territorial jurisdiction of the United States." 
    Id. at §
    70503(b).
    In    relevant   part,   the    term   "vessel     subject   to   the
    jurisdiction of the United States" is defined to include "a vessel
    without nationality."      
    Id. at §
    70502(c)(1)(A).         A "vessel without
    nationality," in turn, includes one "aboard which the master or
    individual in charge makes a claim of registry and for which the
    claimed   nation    of     registry      does    not   affirmatively        and
    - 5 -
    unequivocally assert that the vessel is of its nationality."       
    Id. at §
    70502(d)(1)(C).    Of importance here, the MDLEA provides that
    "[t]he response of a foreign nation to a claim of registry . . .
    is proved conclusively by certification by the Secretary of State
    or the Secretary's designee."    
    Id. at §
    70502(d)(2).
    B.   The District Court's Finding of MDLEA Jurisdiction
    As we have described, when USCG personnel boarded the
    yola and questioned Martinez and Rosario, one of them made a claim
    of Dominican registry by stating that he was in the process of
    registering the yola in the Dominican Republic.           See 
    id. at §
    70502(e)(3) (defining a "claim of nationality or registry" to
    include "a verbal claim of nationality or registry by the master
    or individual in charge of the vessel").       This claim of registry
    triggered an obligation on the part of the USCG to contact the
    Dominican authorities with a request that they confirm or deny the
    yola's registry.     
    Id. at §
    70502.     As evidenced by documentation
    prepared by the USCG at the time of the interdiction, the record
    suggests that the USCG queried the Dominican authorities regarding
    the registry of the "Alicantino," as was painted on the yola's
    hull.    The Dominican authorities responded, however, by indicating
    that they had no record of a vessel by the name of the "Alcantino,"
    seemingly a misspelling of "Alicantino."
    Prior to trial, the government filed a motion in limine
    seeking to establish MDLEA jurisdiction.        See 
    id. at §
    70504(a)
    - 6 -
    ("Jurisdictional issues . . . are preliminary questions of law to
    be determined solely by the trial judge.").       Accompanying the
    government's motion was a certification authored by Commander
    Salvatore Fazio of the USCG, in his capacity as the designee of
    the Secretary of State.     In relevant part, the certification
    stated:
    On or about August 17, 2012, United States law
    enforcement personnel detected a yola vessel
    approximately 32 nautical miles southwest of Cabo
    Rojo, Puerto Rico . . . . United States law
    enforcement personnel conducted a right-of-visit
    boarding of the vessel. Upon inquiry, one of the
    two individuals on board identified himself as the
    master of the vessel, and claimed Dominican
    nationality for the yola. . . . [The USCG] requested
    that the Government of the Dominican Republic
    confirm or deny the vessel's registry. The . . .
    Dominican Republic responded that it could neither
    confirm nor deny the claim that the vessel was
    registered in the Dominican Republic.
    In a short order issued prior to trial, the district
    court found MDLEA jurisdiction, reasoning that "Commander Fazio is
    the Secretary of State's designee and . . . his certification
    conclusively proves that the vessel in question is a vessel without
    nationality as the Dominican authorities did not affirmatively and
    unequivocally assert that the vessel is of Dominican nationality."
    Later, after trial, Martinez and Rosario filed a joint
    motion for acquittal and dismissal, arguing that the district court
    had erred in finding MDLEA jurisdiction. The district court denied
    this motion in a lengthy written order.      See United States v.
    - 7 -
    Rosario, 
    17 F. Supp. 3d 144
    (D.P.R. 2014).
    C.   Rosario's Challenges to MDLEA Jurisdiction
    Rosario   raises   three   arguments   contending   that   the
    district court erred in finding MDLEA jurisdiction.           First, he
    argues that the USCG did not follow MDLEA protocol, as evidenced
    by the fact that the Dominican authorities responded with a
    misspelled version of the yola's name.      Second, he contends that
    the USCG certification was inadequately detailed.         Finally, he
    argues that the district court made a series of factual and
    procedural blunders in finding MDLEA jurisdiction.            We find,
    however, that none of these arguments merits reversal.
    i.   Alcantino v. Alicantino
    The record appears to indicate that the USCG contacted
    the Dominican authorities with a request that it verify the
    nationality of the "Alicantino," as was painted on the yola's hull.
    The Dominican authorities responded, however, with an indication
    that they had no record of the "Alcantino."        Rosario challenges
    the district court's finding of MDLEA jurisdiction based on this
    discrepancy, but we conclude, based on the terms of the MDLEA,
    that he does not have standing to raise such a challenge.            In
    relevant part, the MDLEA provides:
    A person charged with violating [the MDLEA] . . .
    does not have standing to raise a claim of failure
    to comply with international law as a basis for a
    defense.    A claim of failure to comply with
    international law in the enforcement of this
    - 8 -
    chapter may be made only by a foreign nation.
    46 U.S.C. § 70505; see also 
    Mitchell-Hunter, 663 F.3d at 51
    ("[T]he
    purpose of the MDLEA's jurisdictional requirement is not to protect
    a defendant's rights, but instead to maintain comity between
    foreign nations . . . .").
    As Rosario points out, our cases distinguish between
    claims of a failure to comply with international law (as that term
    is contemplated in the MDLEA), which a defendant may not raise,
    and claims of a failure to comply with United States law, which a
    defendant may raise.          For example, in United States v. Maynard,
    
    888 F.2d 918
    (1st Cir. 1989), we held that the defendant had
    standing   to     challenge    the   district    court's   finding   of   MDLEA
    jurisdiction based on the fact that the USCG had failed to contact
    British Virgin Islands ("BVI") authorities before seizing his
    vessel, even though he was flying a BVI flag and had likely made
    a verbal claim of BVI nationality.              
    Id. at 925-27.
       We reasoned
    that the defendant could bring such a challenge because he sought
    to prove that the USCG failed to comply with the MDLEA, a United
    States statute, by not making contact with the BVI authorities.
    
    Id. at 927.
          In contrast, in United States v. Cardales-Luna, 
    632 F.3d 731
    (1st Cir. 2011), we held that a defendant could not argue
    that   a   USCG    certification     was   insufficient    to    confer   MDLEA
    jurisdiction merely because it omitted certain details about the
    process by which the USCG contacted Bolivian authorities following
    - 9 -
    the defendant's claim of nationality.           
    Id. at 737.
          We reasoned
    that the MDLEA does not permit a defendant to "look behind the
    State Department's certification to challenge its representations
    and   factual    underpinnings."     
    Id. (quoting United
       States   v.
    Guerrero, 
    114 F.3d 332
    , 341 (1st Cir. 1997)).
    Mindful of this distinction between challenges based on
    "international" and "domestic" law, Rosario attempts to portray
    his appeal as one rooted in the USCG's failure to comply with the
    substantive provisions of the MDLEA.            But, as we have said, the
    record strongly suggests that the USCG made the proper inquiry
    and, indeed, there is no evidence to the contrary. Rosario claims,
    however, that "[t]he Dominican Republic had no chance to deny the
    registry . . . because its response [seemingly] concerned a
    different vessel."      In other words, Rosario himself appears to
    attribute whatever error or miscommunication occurred not to the
    USCG, but to the Dominican authorities.              Rosario's claim fails,
    therefore, because it is plainly an effort to "look behind" the
    USCG certification and to challenge its factual underpinnings, see
    
    Cardales-Luna, 632 F.3d at 737
    , an effort that the MDLEA does not
    give him standing to undertake.         See 46 U.S.C. § 70505; Mitchell-
    
    Hunter, 663 F.3d at 51
    .
    ii.    Insufficient Detail
    Rosario next contends that, as a matter of law, State
    Department      certifications   must    meet    a    "baseline    level    of
    - 10 -
    specificity"    by     including,   for   example,     the   "name    or    other
    identifying characteristics" of the vessel in question.                 Rosario
    argues   that    the    certification     at   issue    in   this    case    was
    insufficiently specific because it referred only to a "yola vessel
    approximately 32 nautical miles southwest of . . . Puerto Rico"
    and did not provide additional identifying details.
    We need not reach Rosario's broader claim because we
    conclude that, within the confines of this case, his argument is
    without merit.       The record establishes that the yola was a small
    (approximately twenty-one-foot) and primitive vessel3 powered by a
    single outboard motor.       Aside from the name "Alicantino" painted
    on the hull, the yola had no visible markings.           It did not display
    a registration number, a hailing port, or a national flag.                  What
    is more, when USCG crews boarded the yola, they were unable to
    locate registration paperwork or any other documentation that they
    could use to confirm the identity of the vessel or its passengers.
    True, as Rosario points out, the USCG certification did
    not identify the name of the yola as the Alicantino.                 But, given
    the lack of any further identifying information on the vessel, the
    USCG certification was not defective based on its purported lack
    3 To illustrate the point, when the USCG cutter reached
    the yola, its engine had died and Martinez and Rosario were
    attempting to bail water using a bucket. The cutter attempted to
    tow the yola to port, but it promptly took on water and sank.
    - 11 -
    of specificity.4
    iii. Factual and Procedural Errors
    Finally, Rosario urges reversal on grounds that the
    district court committed a series of factual and procedural errors
    in finding MDLEA jurisdiction.              This claim is rooted in statements
    made by the district court during a hearing conducted during the
    trial (outside the presence of the jury), as well as a written
    statement        contained   in     the    district    court's   post-trial     order
    denying the defendants' motion for acquittal and dismissal.
    We     begin    with    the    hearing,     which   opened   with    the
    government         moving    to      introduce        into   evidence     the    USCG
    certification.        A series of objections by the defendants followed.
    In the course of a lengthy ensuing discussion between counsel and
    the   district      court,    the    court    made     statements   suggesting     it
    believed that: (1) evidence of the defendants' jettisoning of the
    cocaine was admissible based on the plain view exception to the
    Fourth Amendment; (2) the USCG had a right to seize the yola based
    on its presence in the so-called contiguous zone;5 and (3) the
    4
    Again limiting our inquiry to these facts, we find no
    merit to Rosario's claim that an unspecific certification violates
    due process by posing a risk that one vessel might be mistaken for
    another.   Rosario does not dispute that he was aboard the yola
    described in the USCG certification, and there were no other
    vessels anywhere near the yola at the time it was intercepted.
    5
    The contiguous zone extends twenty-four miles from the
    coastline of the United States, including Puerto Rico.      See 64
    Fed. Reg. 48,701 (Sept. 2, 1999).
    - 12 -
    strength of the evidence was such that the defendants' guilt was
    a "slam dunk."   Rosario contends that these statements were simply
    incorrect, evinced procedural misunderstandings by the district
    court, and effectively relieved the government of its burden to
    prove MDLEA jurisdiction.     See United States v. Matos-Luchi, 
    627 F.3d 1
    , 5 (1st Cir. 2010) (holding that the government must
    establish MDLEA jurisdiction by a preponderance of the evidence).
    We have carefully reviewed the hearing transcript, and
    while the district court and counsel often ranged far afield in
    the course of their discussion, we find no reason to disturb the
    district court's finding of MDLEA jurisdiction.        Most importantly,
    as we have described, the district court had already determined,
    prior to trial, that MDLEA jurisdiction existed by virtue of the
    yola's status as a vessel without nationality.          We thus find no
    merit to Rosario's claim that the district court's purported
    misstatements during the hearing, which occurred more than a week
    later, contributed to an erroneous finding of MDLEA jurisdiction.
    Rosario   also   directs   our   attention   to   the   district
    court's post-trial written order denying the defendants' motion
    for acquittal and dismissal, in which the district court wrote:
    Defendant Rosario alleges that "[f]or the United
    States to have jurisdiction over a vessel in the
    high seas, and over the occupants, the government
    must prove that the vessel is a vessel without
    nationality." The court disagrees, as jurisdiction
    is not an element of 21 U.S.C. §§ 952, 960, 963.
    - 13 -
    
    Rosario, 17 F. Supp. 3d at 152
    (citations omitted).    Rosario urges
    us to find that the district court's "disagree[ment]" with his
    statement is further evidence that the district court relieved the
    government of its burden to establish MDLEA jurisdiction.
    We reject this argument because the district court's
    statement was, in fact, legally correct.     The district court based
    its disagreement on the fact that MDLEA jurisdiction is not an
    element of 21 U.S.C. §§ 952, 960, and 963.    These are the statutory
    provisions under which the defendants were charged in count two of
    the indictment, charging conspiracy to import five kilograms or
    more of cocaine, not in the MDLEA count.         Thus, the district
    court's statement was correct because it is true that MDLEA
    jurisdiction is not an element of that offense.      Thus, while the
    district court's statement was arguably confusing, we do not view
    it as an indication that the district court improperly relieved
    the government of its burden to prove MDLEA jurisdiction on the
    count that required it.6
    For all of these reasons, we reject Rosario's challenges
    6 A later passage in the district court's opinion states
    that "the USCG complied with due diligence at the time of the
    interdiction . . . ."     
    Rosario, 17 F. Supp. 3d at 152
    .     This
    statement immediately followed a citation to Matos-Luchi, where we
    first held that the government bears the burden of proving MDLEA
    jurisdiction by a preponderance of the evidence. We view this as
    an indication that the district court properly construed the
    jurisdictional burden as falling on the government.
    - 14 -
    to the district court's finding of MDLEA jurisdiction.
    III. Martinez's Appeal
    We turn next to Martinez, who raises a separate set of
    issues.   We begin with his jurisdictional argument that the USCG
    certification contained inadmissible hearsay, then we consider his
    arguments related to the district court's admission of Rosario's
    confession and concomitant refusal to sever their joint trial.7
    A.   Hearsay
    Like Rosario, Martinez challenges the district court's
    finding of MDLEA jurisdiction.   His argument may be summarized as
    follows: the government was required to establish that the yola
    was a vessel without nationality.   To do so, the government needed
    to prove both that: (1) "the master or individual in charge" made
    a claim of registry; and (2) "the claimed nation of registry d[id]
    not affirmatively and unequivocally assert that the vessel [wa]s
    of its nationality."      46 U.S.C. § 70502(d)(1)(C).     Martinez
    concedes that, under the MDLEA, "[t]he response of [the] foreign
    nation . . . is proved conclusively" by the USCG certification.
    
    Id. at §
    70502(d)(2).     Martinez notes, however, that the only
    7 We acknowledge Martinez's argument that the district
    court violated the Sixth Amendment by using his prior conviction
    as a basis for applying a mandatory minimum sentence without a
    jury finding of proof beyond a reasonable doubt.      As Martinez
    concedes, we are bound by precedent to reject this argument. See
    United States v. Paladin, 
    748 F.3d 438
    , 451-52 (1st Cir. 2014)
    (citing Alleyne v. United States, 
    133 S. Ct. 2151
    (2013)).
    - 15 -
    evidence establishing that either he or Rosario made a claim of
    registry was contained in the USCG certification, which stated
    that   "[u]pon   inquiry,      one   of   the   two    individuals     on   board
    identified himself as the master of the vessel, and claimed
    Dominican nationality for the yola." Rosario contends that because
    neither USCG Commander Fazio, nor the USCG sailor to whom Rosario
    or Martinez allegedly made this statement, testified at trial,
    this   portion    of    the    certification      constituted       inadmissible
    hearsay.   Absent this evidence, he argues, the government did not
    carry its burden to prove MDLEA jurisdiction.8
    On    at    least   two   occasions,       the   First   Circuit   has
    considered and rejected nearly identical arguments on grounds that
    State Department certifications are admissible as public records.
    See United States v. Angulo-Hernández, 
    565 F.3d 2
    , 11 (1st Cir.
    2009) (citing Federal Rule of Evidence 803(8) and holding that a
    State Department certification is admissible as a public record);
    United States v. Romero, 
    32 F.3d 641
    , 650 (1st Cir. 1994) ("The
    hearsay exception under [Rule 803(8)] accounts for all of the
    subsidiary statements relayed by the State Department operatives
    to the declarant . . . .").
    8As we said above, our review of the district court's
    finding of MDLEA jurisdiction is de novo. 
    Mitchell-Hunter, 663 F.3d at 49
    . The government urges us to apply plain error review,
    but we need not resolve this issue because we conclude that
    Martinez's hearsay challenge fails even under the more favorable
    de novo standard.
    - 16 -
    Martinez acknowledges our holding in Angulo-Hernández,
    but he seeks to circumvent it by drawing a distinction between
    hearsay statements relating to the defendant's claim of registry,
    and those relating to the claimed nation's response.              By providing
    in the MDLEA that the claimed nation's response may be conclusively
    proven by State Department certification, Martinez argues that
    Congress intentionally omitted a similar provision allowing for
    conclusive proof of the defendant's claim of registry.
    Angulo-Hernández and Romero expressly held that State
    Department certifications are admissible as public records.                The
    government does not contend that those cases treat the certificate
    as conclusive as to whether or what claim of registry was made.
    But,   the   certificate   is   some   evidence   -   and,   in    this   case,
    uncontested evidence - of what claim of registry was made.                  In
    sum, in our view, the reasoning of Angulo-Hernández and Romero is
    sound, and we see no reason to distinguish those cases here.9
    9
    We recognize that Martinez contends that a portion of
    the certificate should be excluded under the "law enforcement"
    exception to the public records exception.      See Fed. R. Evid.
    803(8); United States v. Dowdell, 
    595 F.3d 50
    , 70 (1st Cir. 2010).
    But, as we have said, aside from the name "Alicantino" painted on
    the yola's hull, it had no other markings and did not carry
    registration paperwork or a national flag. Thus, in our view, the
    only possible explanation for the USCG's decision to contact the
    Dominican authorities, which the certificate conclusively shows
    did occur, was a verbal claim of Dominican registry by either
    Martinez or Rosario. Indeed, the MDLEA provides that a vessel is
    stateless when no claim of registry is made.        See 46 U.S.C.
    § 70502(d)(1)(B).      Thus, Martinez's contention is of no
    significance to his challenge to MDLEA jurisdiction.
    - 17 -
    B.   The Admission of Rosario's Confession
    Martinez next assigns error to the district court's
    admission of Rosario's confession, which he argues prejudiced him
    in three ways.     First, he contends that the admission of the
    confession violated his Sixth Amendment confrontation rights.
    Second, he argues that the prosecutor committed misconduct by
    referencing Rosario's confession as evidence of Martinez's guilt
    during her closing argument.   Finally, Martinez maintains that the
    district court erred by denying his request for a severance.    We
    consider these arguments in turn.
    i.     The Sixth Amendment
    We begin with Martinez's claim that the district court's
    admission of Rosario's confession violated the Sixth Amendment.
    Our review of this claim is de novo, but a conviction may stand
    even in the face of an error, provided that the error was harmless.
    United States v. Vega Molina, 
    407 F.3d 511
    , 519, 524 (1st Cir.
    We can envision only one scenario, albeit a highly
    unlikely one, in which a defendant may have viable grounds on which
    to contest the contents of a certificate as they relate
    specifically to his claim of registry. Consider a defendant who
    maintains that although the certificate states that he made a claim
    of registry in Country X, he actually made a claim of registry in
    Country Y and the USCG then contacted the wrong nation.        This
    unlikely scenario is the only one we can foresee in which a
    defendant would have a basis on which to challenge statements in
    the certificate describing his claim of registry.           Such a
    challenge, to the extent that one was to arise, would be properly
    brought on the basis of the USCG’s failure to comply with the
    substantive provisions of the MDLEA.     See 
    Maynard, 888 F.2d at 927
    .
    - 18 -
    2005).
    The Sixth Amendment's Confrontation Clause guarantees a
    criminal defendant the right "to be confronted with the witnesses
    against him."      U.S. Const. amend. VI.          "The primary purpose of
    confrontation is 'to secure for the opponent the opportunity of
    cross-examination.'"       United States v. Celestin, 
    612 F.3d 14
    , 19
    (1st Cir. 2010) (quoting Delaware v. Van Arsdall, 
    475 U.S. 673
    ,
    678 (1986)).    Thus, except in limited circumstances, "out-of-court
    statements of a non-testifying defendant . . . may not be used
    against a jointly tried codefendant."             Vega 
    Molina, 407 F.3d at 518-19
    .
    A trio of Supreme Court cases has shaped the law on the
    admissibility     of    extrajudicial       confessions   in    multi-defendant
    cases.    In Bruton v. United States, 
    391 U.S. 123
    (1968), the
    Supreme   Court        found   that     a    non-testifying       codefendant's
    "powerfully     incriminating"          confession,       which      "expressly
    implicat[ed]"     a     jointly-tried       defendant,    was     inadmissible,
    reasoning that "in the context of a joint trial we cannot accept
    limiting instructions as an adequate substitute for [the jointly-
    tried defendant's] constitutional right of cross-examination."
    
    Id. at 124
    n.1, 135-37. Later, however, the Supreme Court declined
    to find a Bruton error where a codefendant's confession had been
    redacted to eliminate any reference to the defendant, even though
    the confession implicated the defendant when linked to other
    - 19 -
    evidence offered at trial.    See Richardson v. Marsh, 
    481 U.S. 200
    ,
    208 (1987).    Finally, a third case, Gray v. Maryland, 
    523 U.S. 185
    (1998), focused on the methods used by the prosecution to redact
    a codefendant's confession, and the risk that the jury might infer
    that a jointly-tried defendant was the subject of the redaction.
    See 
    id. at 196
    ("The inferences at issue here involve statements
    that, despite redaction, obviously refer directly to someone,
    often obviously the defendant, and which involve inferences that
    a jury ordinarily could make immediately . . . .").
    Rosario's confession was described to the jury by DEA
    Agent Torres, who offered the following summary:
    According to Mr. Rosario . . . on August 15, 2012,
    he received a call from the other drug associates
    that he needed to . . . be at a meeting in the
    Higuey area of the Dominican Republic. He attended
    the meeting with his associates.     And from that
    meeting, it was agreed for him to move to another
    location.   Prior to moving to that location, he
    indicated that he saw the bales [of cocaine]. From
    there it was agreed for him to move to the area of
    Valla Hibe, where he moved. And at that location
    they got the boat, the vessel, the yola. . . . And
    Mr. Rosario moved to an island by the name of Isla
    Sabana, Valla Hibe.     And from there . . . Mr.
    Rosario received the drug load, the cocaine. And
    Mr. Rosario from there departed to Puerto Rico.10
    Martinez argues that although Torres offered a sanitized
    version of Rosario's confession, it was nevertheless "powerfully
    incriminating" because of the circumstances under which Martinez
    10Before Torres testified, the district court instructed
    him not to reveal that Rosario's confession implicated Martinez.
    - 20 -
    and   Rosario   were   apprehended   and   tried.     More   specifically,
    Martinez notes that he and Rosario were tried together as the sole
    defendants in a drug conspiracy case, after having been found
    aboard the yola in the middle of the ocean throwing cocaine into
    the sea.   Martinez observes that Rosario's confession provided the
    only explanation of how he found himself in that unfortunate
    predicament. He argues, in other words, that the jury could easily
    and immediately infer that he was the "associate" referred to in
    Rosario's confession, or that he was otherwise a knowing and
    willing participant in the conspiracy.
    Assessing a claimed Bruton error entails a fact- and
    context-specific inquiry.     See Vega 
    Molina, 407 F.3d at 520
    ("The
    application of Bruton, Richardson, and Gray to redacted statements
    . . . requires careful attention to both text and context, that
    is, to the text of the statement itself and to the context in which
    it is proffered."); United States v. Schwartz, 
    541 F.3d 1331
    , 1351
    (11th Cir. 2008) ("[A] defendant's confrontation right is violated
    when the court admits a codefendant statement that, in light of
    the Government's whole case, compels a reasonable person to infer
    the defendant's guilt." (footnote omitted)).          "A particular case
    may involve numerous events and actors, such that no direct
    inference plausibly can be made that a neutral phrase like 'another
    person' refers to a specific codefendant."          Vega 
    Molina, 407 F.3d at 520
    .    Or, "[a] different case may involve so few defendants
    - 21 -
    that the statement leaves little doubt in the listener's mind about
    the identity of 'another person.'"                
    Id. Here, we
       need     not    decide      whether    the     admission   of
    Rosario's   confession       constituted          a     Bruton   error    because    we
    conclude that, even if it was, the government has nonetheless
    carried its burden to show that any such error was harmless beyond
    a reasonable doubt.       See United States v. Cabrera-Rivera, 
    583 F.3d 26
    , 36 (1st Cir. 2009); Vega 
    Molina, 407 F.3d at 524
    .                    In assessing
    harmlessness,    we   consider,          among    other     factors,     the   overall
    strength of the evidence and the centrality of the confession to
    the prosecution's case.          
    Cabrera-Rivera, 583 F.3d at 36
    .
    As an initial matter, Agent Torres's description of
    Rosario's confession was but one component of the government's
    case.   Rather than building its case with the confession as its
    cornerstone, the government instead largely trained its focus on
    the events leading up to and during the interdiction of the yola,
    as recounted by USCG personnel who were directly involved.
    What is more, even setting aside Rosario's confession,
    the evidence of Martinez's guilt on both counts of the indictment
    was overwhelming.        The location and circumstances of Martinez and
    Rosario's apprehension, as conveyed to the jury in extensive
    detail, effectively shut the door on any explanation other than a
    conspiratorial      effort    to    import        cocaine     from     the   Dominican
    Republic to Puerto Rico.         Martinez and Rosario were discovered in
    - 22 -
    the middle of a roughly eighty-mile stretch of open ocean heading
    in the direction of Puerto Rico.          When USCG personnel aboard a
    patrol airplane first spotted them, they began to jettison vast
    quantities of cocaine from their small, open vessel.       That vessel,
    some twenty-one feet in length, was underpowered, with a single
    outboard engine, and was leaking to the point that Martinez and
    Rosario were forced to bail water with a bucket in an ultimately
    futile attempt to keep it from sinking.        In a word, the yola was
    hardly seaworthy and, in any event, had no apparent business being
    in the middle of the ocean.
    The   only   other   possible    explanation   for   Martinez's
    presence on the yola was that he had simply hitched a ride from
    the Dominican Republic to Puerto Rico without knowing that there
    were vast quantities of cocaine onboard.       Given the size, layout,
    and condition of the yola, and the distance of the passage, this
    explanation is laughably implausible.11        We thus conclude that,
    even if the district court's admission of Rosario's confession
    constituted a Bruton error (an issue we do not decide), any such
    11  The explanation is even more implausible when
    considered in light of the record. The jury heard testimony from
    law enforcement officers that yolas used to smuggle drugs carry at
    least two crewmen, in order to prevent one from absconding with
    the product. On top of that, the evidence showed that the yola
    was an open vessel with nowhere for Rosario to hide the cocaine
    from Martinez even if he tried. One of the USCG airmen testified
    that the bales were visible from the air near the yola's bow.
    Indeed, even Martinez did not make that argument.
    - 23 -
    error was harmless because there is no reasonable possibility that
    the confession here contributed to the conviction.            See Schneble
    v. Florida, 
    405 U.S. 427
    , 432 (1972).
    ii.   The Prosecutor's Closing Argument
    Martinez   next   claims    that   the   prosecutor     committed
    misconduct during her closing argument by urging the jury to
    convict him on the basis of Rosario's confession, a line of
    argument that Bruton and its progeny plainly prohibit.            See Vega
    
    Molina, 407 F.3d at 522
    (assigning error where the prosecutor's
    closing   argument   "specifically     mentioned     [a     codefendant's]
    confession and implored the jury to infer that the 'another person'
    reference in the redacted confession was, in fact, a reference to
    [the defendant]").     Martinez did not lodge a contemporaneous
    objection at trial, so our review is for plain error.                United
    States v. Kasenge, 
    660 F.3d 537
    , 541 (1st Cir. 2011).          To prevail,
    Martinez must show "(1) that an error occurred (2) which was clear
    or obvious and which not only (3) affected [his] substantial
    rights, but also (4) seriously impaired the fairness, integrity,
    or public reputation of judicial proceedings."            United States v.
    Duarte, 
    246 F.3d 56
    , 60 (1st Cir. 2001).
    The   relevant    portion    of    the   prosecutor's     closing
    argument is as follows:
    [W]e heard testimony [Rosario] admitted his
    involvement in this scheme. . . . And of course we
    can't take that statement and apply it to the other
    - 24 -
    defendant.   So, let's look at some of the facts
    that will help you decide was [Martinez] just
    getting a ride to Puerto Rico? . . . Ladies and
    gentlemen, I submit that there's ample . . .
    circumstantial evidence that [Martinez] was on that
    vessel knowing there were drugs onboard - he was
    sitting on top of them or they were right in front
    of him - and he threw them overboard when the law
    enforcement came. And we know that he entered into
    this agreement by the surrounding circumstances
    because what were they going to do when they arrived
    to Puerto Rico? . . . They were bringing [the drugs]
    to Puerto Rico to give them to someone else. . . .
    And you also heard from multiple law enforcement
    witnesses that . . . they have never been involved
    in [an] interdiction with just one person on the
    boat. It's always multiple people . . . because
    you need someone to make sure the other guy isn't
    going to steal $2 million worth of drugs.        So,
    ladies and gentlemen, those are the facts. . . .
    And, again, I will submit that the totality of the
    circumstances, the circumstantial evidence along
    with the direct evidence such as [Rosario's]
    incriminating statements with regards to his
    actions support a finding of guilt with regards to
    both defendants entering into agreements to commit
    those two offenses.
    Martinez claims that the prosecutor's closing argument
    constituted misconduct both because its factual content was drawn
    from Rosario's confession, and because its concluding sentence
    expressly urged the jury to convict Martinez on the basis of the
    confession.   We have considered both arguments, but conclude that
    there was no error, much less one that was clear or obvious.
    First, contrary to Martinez's claim, the factual content of the
    closing argument was drawn not from the confession, but from other
    evidence at trial.   For example, as we have said, the jury heard
    testimony that the cocaine was plainly visible aboard the yola,
    - 25 -
    and that there are usually at least two crewmen aboard yolas used
    to smuggle drugs.    The prosecutor's closing argument fairly drew
    on this evidence to argue that Martinez was a participant in the
    conspiracy, rather than simply an innocent passenger.
    What is more, while the last sentence of the above-cited
    excerpt may have been confusingly phrased, it does not appear to
    us to have been an attempt by the prosecutor to urge Martinez's
    conviction on the basis of Rosario's confession.           Rather, the
    prosecutor laid out three bases on which the jury could return
    guilty verdicts: (1) "the totality of the circumstances"; (2) "the
    circumstantial evidence"; and (3) "the direct evidence such as
    [Rosario's] incriminating statements with regards to his actions."
    (emphasis added).    It thus appears that the prosecutor urged the
    jury to use Rosario's confession as evidence of his guilt, and the
    totality of the circumstances and the circumstantial evidence as
    evidence of the guilt of both defendants.        This interpretation is
    particularly   logical   in   light   of   the   prosecutor's   earlier
    admonition that "we can't take [Rosario's] statement and apply it
    to [Martinez]."     See United States v. Sepulveda, 
    15 F.3d 1161
    ,
    1187 (1st Cir. 1993) ("[I]n the absence of a contemporaneous
    objection it seems fair to give the arguer the benefit of every
    plausible interpretation of her words.").           In sum, we do not
    discern clear or obvious error on the part of the district court
    in failing to identify and sua sponte remedy this statement.
    - 26 -
    iii. Severance
    Finally, Martinez contends that the district court erred
    by denying his requests for a severance.                  "We review a severance
    ruling    'for    any    manifest      abuse   of   discretion      which   deprived
    appellant    of    a    fair   trial    and    resulted    in   a   miscarriage   of
    justice.'"       
    Celestin, 612 F.3d at 19
    (quoting United States v.
    Peña-Lora, 
    225 F.3d 17
    , 33 (1st Cir. 2000)).
    We have already concluded that, even if the district
    court's admission of Rosario's confession constituted a Bruton
    error, any such error was harmless.                  For the same reasons, we
    conclude that Martinez cannot demonstrate that the denial of a
    severance deprived him of a fair trial or resulted in a miscarriage
    of justice.       See United States v. McLaughlin, 
    957 F.2d 12
    , 18 (1st
    Cir. 1992) (noting a defendant "must make a strong showing of
    prejudice" to prevail on an appeal from the denial of a motion to
    sever).
    IV. Conclusion
    For the foregoing reasons, the defendants' convictions
    are AFFIRMED.
    - 27 -