United States v. Santos-Rivera ( 2013 )


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  •           United States Court of Appeals
    For the First Circuit
    No. 10-1687
    UNITED STATES OF AMERICA,
    Appellee,
    v.
    JUAN SANTOS-RIVERA,
    Defendant-Appellant.
    No. 10-1931
    UNITED STATES OF AMERICA,
    Appellee,
    v.
    JEFFREY CARRASQUILLO-OCASIO,
    Defendant-Appellant.
    No. 10-2155
    UNITED STATES OF AMERICA,
    Appellee,
    v.
    JESÚS M. DÍAZ-CORREA,
    Defendant-Appellant.
    APPEALS FROM THE UNITED STATES DISTRICT COURT
    FOR THE DISTRICT OF PUERTO RICO
    [Hon. Gustavo A. Gelpí, U.S. District    Judge]
    Before
    Torruella, Lipez, and Howard, Circuit Judges.
    David Ramos-Pagan for appellant Juan Santos-Rivera.
    Alan Jay Black for appellant Jeffrey Carrasquillo-Ocasio.
    Juan M. Masini-Soler for appellant Jesús M. Díaz-Correa.
    Mariana Bauzá, Assistant United States Attorney, with whom
    Rosa Emilia Rodríguez-Vélez, United States Attorney, Nelson Pérez-
    Sosa, Assistant United States Attorney, and Julia M. Meconiates,
    Assistant United States Attorney, were on brief, for appellee.
    August 7, 2013
    LIPEZ, Circuit Judge.     Following a sixteen-day trial, a jury
    convicted the defendants on conspiracy and drug possession charges
    stemming from their role in a criminal organization operating a 24-
    hour "drug point" in the Jesus T. Piñero Public Housing Project in
    Canóvanas, Puerto Rico. Each of the three defendants was convicted
    of conspiracy to possess with the intent to distribute at least 50
    grams of cocaine base, at least 5 kilograms of cocaine, and a
    measurable quantity of marijuana within 1,000 feet of a protected
    zone and of aiding and abetting the same in violation of 
    21 U.S.C. §§ 841
    (a)(1),(b)(1)(A)(iii), 846, and 860, and 18 U.S.C § 2.
    Defendant Jesús Díaz-Correa was also convicted of conspiracy to
    possess firearms in furtherance of drug trafficking crimes in
    violation of 
    18 U.S.C. § 924
    (o). Each defendant received a lengthy
    term of incarceration: Díaz-Correa was sentenced to 330 months,
    Juan Santos-Rivera to 240 months, and Jeffery Carrasquillo-Ocasio
    to 216 months.    The jury also imposed a forfeiture under 
    21 U.S.C. § 853
    .
    Defendants Díaz-Correa and Carrasquillo-Ocasio challenge their
    convictions, asserting that the district court erred in denying
    their motions under Federal Rule of Criminal Procedure 29 for a
    judgment of acquittal.     Díaz-Correa also argues in the alternative
    that   his   conviction   was   irreparably   tainted   by   prosecutorial
    misconduct during closing arguments.           Carrasquillo-Ocasio and
    Santos-Rivera both challenge their sentences.
    -3-
    Although there was an instance of prosecutorial misconduct
    here, it is saved by harmless error.            Hence, we affirm the
    judgments of the district court.
    I. Background
    "We turn to the trial record for the following background,
    presenting the facts in the light most favorable to the verdict."
    United States v. Gómez-Rosario, 
    418 F.3d 90
    , 93 (1st Cir. 2005).
    The three defendants in this case were indicted, along with 39
    co-conspirators, for their role in a substantial, organized drug
    trafficking conspiracy operating out of the Jesús T. Piñero Public
    Housing Project ("Piñero") in Canóvanas, Puerto Rico from 2006 to
    2008. According to the testimony at trial, the drug point operated
    around the clock, moving at least 400 vials of crack cocaine, 30
    bags of powder cocaine, and 160 bags of marijuana on a daily basis.
    The Piñero operation was sufficiently organized so that each
    co-conspirator   had   a   prescribed,   specialized   role   within   the
    operation.   Santos-Rivera was a "pusher," meaning he sold drugs at
    the drug point on behalf of the organization and received a
    commission on those sales. Carrasquillo-Ocasio was also a "pusher"
    for the organization, but during the relevant period he was
    promoted and became a "runner" for the ten-dollar bags of cocaine.
    As such, he was in charge of delivering cocaine from the stash
    points to the sellers working the drug point, and he had to collect
    and tally cash at the end of shifts, distribute to the sellers
    -4-
    their    commission,      and   return    that    money    to    the   drug   point
    administrators.       Díaz-Correa was an "administrator" of the Piñero
    drug point.        He was responsible for overseeing the day-to-day
    operations of the drug point and hosting meetings with other
    leaders to organize and plan the conspiracy's unlawful business.
    To support the charge of a drug trafficking conspiracy, the
    government       introduced     drugs   and    weapons    seized     from   Piñero,
    surveillance photographs and video recordings of the drug point in
    operation, and wire-tap recordings of conversations between various
    co-conspirators. To tie the three co-defendants to the conspiracy,
    the government relied primarily on the testimony of two confessed
    former co-conspirators: 1) Gretchen Villafañe, the common law wife
    of the organization's incarcerated former leader, and 2) Daniel
    Nuñez-Rivera, also known as Danny Sellés, an active member of the
    Piñero drug operation who became a confidential informant sometime
    in 2007.       The jury convicted the defendants on every count charged
    in the indictment.
    We first discuss the challenges to the convictions, beginning
    with Díaz-Correa and Carrasquillo-Ocasio's sufficiency challenges
    and     then    address   Díaz-Correa's        allegation       of   prosecutorial
    misconduct.       We close with a discussion of Carrasquillo-Ocasio and
    Santos-Rivera's challenges to their sentencing.
    -5-
    II. Challenges to the Convictions
    A. Sufficiency of the Evidence
    "We review de novo the district court's denial of a motion
    made under Rule 29 for judgment of acquittal."             United States v.
    Fernández-Hernández, 
    652 F.3d 56
    , 67 (1st Cir. 2011).             I n    o u r
    review, "[w]e examine the evidence, both direct and circumstantial,
    in the light most favorable to the jury's verdict.                We do not
    assess the credibility of witnesses, as that role is reserved for
    the jury.   Nor need we be convinced that the government succeeded
    in    eliminating    every   possible    theory      consistent   with     the
    defendant's   innocence.      Rather,    we   must    decide   whether   that
    evidence, including all plausible inferences drawn therefrom, would
    allow a rational factfinder to conclude beyond a reasonable doubt
    that the defendant committed the charged crime."            United States v.
    Troy, 
    583 F.3d 20
    , 24 (1st Cir. 2009) (citations omitted) (internal
    quotation marks omitted).      This standard of review is formidable
    and   "defendants    challenging   convictions       for   insufficiency    of
    evidence face an uphill battle on appeal."                 United States v.
    Lipscomb, 
    539 F.3d 32
    , 40 (1st Cir. 2008) (citation omitted)
    (internal quotation marks and alterations omitted); see also United
    States v. Polanco, 
    634 F.3d 39
    , 44-45 (1st Cir. 2011) (noting that
    "a sufficiency challenge is a tough sell").
    -6-
    1. Drug Trafficking Charges
    "To prove a drug conspiracy charge under 
    21 U.S.C. § 846
    , the
    government is obliged to show that a conspiracy existed and that a
    particular defendant agreed to participate in it, intending to
    commit the underlying substantive offense."                   United States v.
    Baltas, 
    236 F.3d 27
    , 35 (1st Cir. 2001) (citations omitted)
    (internal quotation marks omitted). Because neither can seriously
    contend that a drug conspiracy did not exist at Piñero, both
    defendants attack the evidence demonstrating their agreement to
    participate in the drug-selling operation there.                  Specifically,
    they argue that the testimony of the government's key witnesses,
    co-conspirators Nuñez-Rivera and Villafañe, was too conclusory and
    unreliable    for    a    reasonable       factfinder   to   conclude   beyond   a
    reasonable doubt that Díaz-Correa and Carrasquillo-Ocasio were
    involved in the drug trafficking conspiracy and drug distribution
    activities    at    Piñero.      We    discuss     Díaz-Correa's    sufficiency
    challenge before turning to Carrasquillo-Ocasio's.
    a. Díaz-Correa
    Díaz-Correa offers three interrelated arguments in support of
    his sufficiency challenge.             First, he argues that because no
    physical evidence offered at trial linked him to the Piñero
    conspiracy,    the       testimony    of    two   co-conspirators   is   per     se
    insufficient to support a conviction.              Second, he argues that even
    if a conviction could in some instances be supported by co-
    -7-
    conspirator testimony, Nuñez-Rivera and Villafañe's testimony was
    insufficient in his case to establish that he participated in the
    Piñero conspiracy.      Finally, he argues that even if the co-
    conspirators' testimony taken at face value would be sufficient to
    support his conviction, their testimony was not credible.
    Díaz-Correa's argument that the testimony of co-conspirators,
    standing alone, is never sufficient to support a conviction is
    foreclosed by our case law.        We have previously upheld drug
    conspiracy and aiding and abetting convictions where the evidence
    tying the defendant to the conspiracy was provided primarily by the
    testimony of a single co-conspirator who became a paid government
    informant. See United States v. González-Vázquez, 
    219 F.3d 37
    , 40-
    41, 45-46 (1st Cir. 2000); see also United States v. Fernández-
    Hernández, 
    652 F.3d 56
    , 67-68 (1st Cir. 2011).        Indeed, we have
    consistently reaffirmed that "[a] conviction may be based solely on
    the uncorroborated testimony of a confidential informant 'so long
    as the testimony is not incredible or insubstantial on its face.'"
    González-Vázquez, 
    219 F.3d at 46
     (quoting United States v. Ciocca,
    
    106 F.3d 1079
    , 1084 (1st Cir. 1997)).
    Díaz-Correa's second argument –- that Villafañe and Nuñez-
    Rivera's testimony amounts to vague generalizations –- is equally
    unavailing.    During    their   testimony,   both   Nuñez-Rivera   and
    Villafañe demonstrated a detailed knowledge of the Piñero drug
    conspiracy.   For example, when shown photographs of several co-
    -8-
    conspirators, Nuñez-Rivera knew their names, their roles in the
    conspiracy, where they worked, and what drugs they supplied.                He
    testified as to the shift schedule for pushers working at the drug
    point and the general flow of operations at Piñero, including which
    times of day, days of the week, and days of the month were usually
    busy and which ones were slow.          For her part, Villafañe testified
    as to how she would hide weapons and drugs for the conspiracy in
    her home.      She also described meetings she attended with the
    organization's leaders and could identify which co-conspirators
    were in charge of the money, of cooking the crack cocaine, and of
    packaging and weighing the drugs.
    The    testimony   of    the   two   witnesses    as    to   Díaz-Correa's
    specific role in the conspiracy was likewise more than sufficiently
    detailed to sustain his conviction.              In particular, both Nuñez-
    Rivera and Villafañe described Díaz-Correa's rise to power in 2008.
    Ismael Heredia, the organization's incarcerated leader, became
    dissatisfied    with    his    former     drug    point     administrator   and
    determined to replace him with Díaz-Correa. Nuñez-Rivera testified
    that Díaz-Correa frequently came to Piñero in person to administer
    his drug point, and that once he had established himself as the
    administrator of the Piñero drug point, he began to operate the
    drug point in a similar manner to his predecessor, including
    hosting organizational meetings at a place called "La Selva." This
    testimony was also confirmed in part by recorded conversations
    -9-
    between Villafañe and Heredia, during which they discussed Díaz-
    Correa.
    Credibility is a question for the jury, which on appeal must
    be resolved in favor of the government.                See United States v.
    Ayala-García, 
    574 F.3d 5
    , 12 (1st Cir. 2009). Although Díaz-Correa
    attempts to save his argument for evidentiary insufficiency by
    pointing to a few minor inconsistencies between Nuñez-Rivera and
    Villafañe's testimony, such minor inconsistencies in otherwise
    lengthy and corroborated testimony will not undermine the witness'
    credibility.     See United States v. Rodriguez, 
    457 F.3d 109
    , 119
    (1st Cir. 2006).
    b. Carrasquillo-Ocasio
    In an echo of Díaz-Correa's argument, Carrasquillo-Ocasio
    asserts that Nuñez-Rivera's testimony against him amounted to
    nothing more than vague generalizations.              But, again, the record
    reveals that Nuñez-Rivera gave detailed testimony based on his
    personal experiences selling drugs with Carrasquillo-Ocasio.
    Nuñez-Rivera could recall the specific timing of the shifts he
    worked with Carrasquillo-Ocasio and what drugs they sold.                    When
    shown a map of the Piñero complex, Nuñez-Rivera pointed out the
    exact   locations   where   he    and   Carrasquillo-Ocasio       sold      drugs
    together. Nuñez-Rivera recalled Carrasquillo-Ocasio's promotion to
    a "runner," and he described the process Carrasquillo-Ocasio would
    use   when   delivering   the    cocaine   to   the    drug   point   and    when
    -10-
    collecting    the   cash   revenues    at    the   end   of   the   shifts   and
    delivering them to the organization's leaders.            This testimony was
    consistent with Villafañe's testimony that she personally delivered
    cash to Carrasquillo-Ocasio which he in turn delivered to the drug
    point's leaders.
    In short, Nuñez-Rivera and Villafañe's testimony was not
    "incredible or insubstantial on its face," Ciocca, 
    106 F.3d at 1084
    , and was more than enough         to enable a reasonable factfinder
    to determine Carrasquillo-Ocasio's guilt beyond a reasonable doubt.
    2. Díaz-Correa's Conviction under Section 924(o)
    Díaz-Correa's argument that there was insufficient evidence to
    convict him under 
    18 U.S.C. § 924
    (o) is similarly unpersuasive.
    Where a defendant is charged under 
    18 U.S.C. § 924
    (o) "the jury
    [does] not even need to find that [the defendant] himself ever used
    or possessed a firearm in furtherance of the drug conspiracy.                 It
    would be sufficient to find that he was part of an agreement to do
    so."    United States v. Flores de Jesús, 
    569 F.3d 8
    , 30 n.14 (1st
    Cir.   2009).       As   previously   discussed,     there    was   more     than
    sufficient evidence in this case that Díaz-Correa was a leader of
    the drug conspiracy at Piñero. Thus, to sustain a conviction under
    section 924(o), the government need only show that Díaz-Correa was
    part of an agreement to use firearms in furtherance of the Piñero
    organization's interests.
    At trial, the government offered testimony and real evidence
    -11-
    demonstrating that firearms were used regularly in furtherance of
    the Piñero drug conspiracy. Firearms and ammunition which had been
    seized from members of the Piñero drug trafficking operation were
    entered into evidence, including a Romarm/Cugir Rifle, a Sig Sauer
    pistol, a Colt revolver, a Glock pistol, and a Smith & Wesson .38
    caliber revolver.     Many of these weapons were seized from sellers
    operating at Piñero during a single raid.
    Villafañe's and Nuñez-Rivera's testimony also established that
    guns were a regular part of the operation of the Piñero drug
    conspiracy.     For example, Villafañe testified that she stored guns
    on behalf of the organization and she testified that certain co-
    conspirators always carried guns while at Piñero.
    Nuñez-Rivera also testified that he had seen Díaz-Correa
    himself carry guns while administering the drug point.     According
    to Nuñez-Rivera, when Díaz-Correa was promoted to administrator at
    the drug point:
    A: [Manuel]1 let us know that the housing project no
    longer was Ismael's, that it was his. And he was – he
    wanted no fucking around with his stuff.
    Q: Sir, was Manuel armed that day?
    A: Yes
    ....
    Q: Did Manuel carry firearms aside from that day?
    A: Yes. You could not see it, but you could notice the
    bulge in his waist and also Darren's.
    Q: Aside from seeing the bulge, did you ever see a
    firearm?
    A: Yes. Once in a car Manuel and Darren were counting
    1
    During his testimony, Nuñez-Rivera referred to Díaz-Correa
    by his nickname, "Manuel."
    -12-
    some money and I approached and asked him for $10.
    Q: What type of firearm did you see?
    A: He had a Beretta on top of his right thigh inside the
    car.
    Nuñez-Rivera and Villafañe's testimony and the real evidence
    offered      at   trial      provided     more     than    enough   evidence     for    a
    reasonable factfinder to conclude that Díaz-Correa had agreed with
    other leaders of the organization to use firearms to promote their
    drug-trafficking operation.
    B. Prosecutor's Misconduct During Closing Argument
    Díaz-Correa        argues     that   the    prosecutor's        conduct   during
    closing      argument      was     so    inflammatory        that   it    amounted     to
    misconduct.         We briefly review the events at closing argument
    before discussing the propriety of the prosecutor's actions.
    In his closing argument, counsel for Díaz-Correa suggested
    that the "bulge" that Nuñez-Rivera testified he had seen in Díaz-
    Correa's waistband at Piñero was not necessarily the Beretta                         that
    Nuñez-Rivera saw later in Díaz-Correa's lap.                        Defense counsel
    suggested that the bulge could have been created by another object,
    such as a cell phone.
    To    respond    to    this      suggestion      during   her     rebuttal,    the
    prosecuting attorney went to the evidence table and selected a
    pistol that had been entered into evidence.                            The pistol she
    selected was not a Beretta, and there was no evidence or allegation
    that    it    had    ever      been      owned     or     carried   by    Díaz-Correa.
    Nevertheless, the prosecuting attorney held the gun in front of the
    -13-
    jury and said:
    And let's talk about the bulge. You heard an argument
    that the bulge in the waist cover [was] a cell phone.
    Consider this, compare this cell phone with this pistol.
    And use your common sense.
    Counsel for Díaz-Correa objected, and the district court
    agreed that the prosecutor's use of the gun was inappropriate,
    particularly given that the firearm selected was not the Beretta
    Díaz-Correa   allegedly      possessed.      The     district   court   then
    instructed the jury "not [to] consider the pistol that was shown,"
    but allowed the prosecutor to make her point that a cell phone was
    unlikely to cause the bulge seen by Nuñez-Rivera.
    The term "prosecutorial misconduct" covers a broad swath of
    improper conduct by the state's attorney that may impair an
    accused's constitutional rights to a fair trial, such as commenting
    on an accused's decision to remain silent, witness vouching, and
    introducing inadmissible evidence through cross-examination. See,
    e.g., Doyle v. Ohio, 
    426 U.S. 610
    , 619-20 (1976) (holding that it
    is improper for prosecutor to comment on accused's post-arrest
    silence); United States v. Vázquez-Botet, 
    532 F.3d 37
    , 53 (1st Cir.
    2008) (discussing improper witness vouching); United States v.
    Hall, 
    989 F.2d 711
    , 716 (9th Cir. 1993) (discussing improper
    introduction of hearsay evidence through "artful cross-examination"
    and   collecting   cases).     In   the    closing   argument   context,   a
    prosecutor's remarks or actions are improper where they "serve no
    purpose other than to inflame the passions and prejudices of the
    -14-
    jury, and to interject issues broader than the guilt or innocence
    of the accused." Arrieta-Agressot v. United States, 
    3 F.3d 525
    , 527
    (1st   Cir.   1993)     (citation   omitted)   (internal   quotation   marks
    omitted).     We are particularly sensitive to inappropriate conduct
    during rebuttal, when "the improper remarks [are] among the last
    words spoken to the jury by the trial attorneys."            Ayala-García,
    
    574 F.3d at 20
       (citation   omitted)   (internal   quotation   marks
    omitted).      Where, as here, defendant's counsel makes a timely
    objection to the prosecutor's conduct, "we review de novo whether
    the remarks amounted to prosecutorial misconduct." 
    Id. at 16
    .
    The prosecutor's actions in this case are an example of
    prosecutorial misconduct.       Under these circumstances, taking a gun
    from the evidence table and brandishing it before the jury during
    rebuttal is obviously inflammatory. It should have been evident to
    the prosecutor that she should have broached with the judge the
    idea of presenting the gun to the jury in this provocative manner,
    thereby allowing the defense to register its objection.          The court
    would have proscribed or modified the demonstration and the ensuing
    problems could have easily been avoided.          Given that the gun used
    in the demonstration was not even the one allegedly owned or used
    by Díaz-Correa, a fact that the prosecutor knew, the prosecutor's
    behavior is all the more troubling.
    It is also troubling that this demonstration was unnecessary.
    As the district court suggested, the prosecutor could have made her
    -15-
    point that a cell phone was too small to create the bulge just as
    easily by displaying the cell phone without the gun and asking the
    jury to use its common sense.       Moreover, even without Nuñez-
    Rivera's testimony that he had seen a "bulge" in Díaz-Correa's
    waistband, there was more than enough evidence for the jury to
    conclude that Díaz-Correa had conspired to use guns in furtherance
    of the Piñero drug operation.   Indeed, shortly after his testimony
    about the "bulge," Nuñez-Rivera testified that he had seen the
    Beretta in Díaz-Correa's possession on another occasion.     It is
    important for a prosecutor to know when the potential costs of an
    argument to the jury or a demonstration far outweigh the need for
    it.   Here, an impulsive and unnecessary decision by a prosecutor
    risked undermining all of the hard work of a seventeen-day jury
    trial, which was itself the product of a multi-year investigation.
    Nevertheless, the Supreme Court has stated that where "the
    record, viewed in the aggregate, presents overwhelming evidence
    establishing [the defendant's] guilt . . . we are compelled to
    conclude that the prosecutor's improper remarks did not 'so poison
    the well that the trial's outcome was likely affected.'"    United
    States v. Andújar-Basco, 
    488 F.3d 549
     (1st Cir. 2007) (quoting
    United States v. Henderson, 
    320 F.3d 92
    , 107 (1st Cir. 2003); see
    also Vázquez-Botet, 
    532 F.3d at 59
     ("[W]e are mindful of the
    Supreme Court's admonition that we not set guilty persons free
    simply to punish prosecutorial misconduct."); United States v.
    -16-
    Auch, 
    187 F.3d 125
    ,       133 (1st Cir. 1999) ("[W]e heed the Supreme
    Court's admonition against letting the guilty go free to punish
    prosecutorial misconduct.") (citing United States v. Hastings, 
    461 U.S. 499
    , 506-507 (1983)). In this case, we are convinced that the
    evidence was so overwhelmingly on the government's side that the
    jury would have convicted regardless of the prosecutor's misguided
    demonstration.     As such, the prosecutor's error was harmless, and
    we affirm the conviction.
    III. Sentencing Challenges
    A. Carrasquillo-Ocasio
    After   conviction,    Carrasquillo-Ocasio         faced   a    statutory
    mandatory minimum sentence of 10 years and a Sentencing Guidelines
    recommendation of 360 months to life.           Finding that the sentence
    recommended under the Guidelines was greater than necessary, the
    district   court    sentenced   Carrasquillo-Ocasio         to   18   years    of
    imprisonment.       Carrasquillo-Ocasio       appeals,     arguing    that    his
    sentence should be remanded because of the Fair Sentencing Act and
    the   district    court's   failure    to    make   an   individualized      drug
    quantity determination.      We examine each argument in turn.
    1. Fair Sentencing Act
    On August 3, 2010 President Obama signed the Fair Sentencing
    Act of 2010 ("FSA"), P.L. 111-220, 
    124 Stat. 3272
    , which reduced
    the   disparity    in   sentencing    between   offenses     involving    crack
    cocaine and those involving powder cocaine. The FSA itself did not
    -17-
    address retroactivity, but in United States v. Goncalves, 
    642 F.3d 245
     (1st Cir. 2011), cert. denied, 
    132 S.Ct. 596
     (2011), we joined
    ten of our fellow Circuit Courts of Appeal in concluding that the
    FSA   is   not   retroactive   for   the    benefit   of   a   defendant   like
    Carrasquillo-Ocasio, whose criminal conduct and sentencing occurred
    before the FSA became law.       See 
    id.
     at 253 n.8;2 see also United
    States v. Curet, 
    670 F.3d 296
    , 309-10 (1st Cir. 2012) (re-affirming
    that "the FSA does not apply to individuals who were sentenced
    before the FSA was signed into law").
    Carrasquillo-Ocasio was sentenced on July 12, 2010, shortly
    before the FSA became law. On appeal, Carrasquillo-Ocasio urges us
    to overturn our decision in Goncalves, and hold that the FSA should
    be applied retroactively to reduce the sentences of those who, like
    him, were sentenced under the harsher pre-FSA mandatory minimums
    for crack-related offenses and whose appeals were still pending on
    2
    We note that while the defendant in Goncalves was sentenced
    before August 3, 2010, statements in dicta suggested that this
    Court would apply the FSA regime only in cases where the offense
    conduct itself occurred after August 3, 2010. That position is now
    precluded by the Supreme Court's decision in Dorsey v. United
    States, 
    132 S.Ct. 2321
     (2012). In that case, the Court determined
    that the more lenient penalties of the FSA applied to defendants
    who were sentenced after August 3, 2010, regardless of the date of
    their conduct offense or the date of their conviction or entry of
    guilty plea.   
    Id. at 2335
    .    In Carrasquillo-Ocasio's case, his
    offense conduct, his conviction, and his sentence all occurred
    before August 3, 2010. Hence, the Court's decision in Dorsey is
    inapplicable to him.
    -18-
    August 3, 2010.3
    There are only two circumstances, however, when a panel of
    this Court may overturn the holding of a previous panel.                  United
    States v. Malouf, 
    466 F.3d 21
    , 26-27 (1st Cir. 2006).               The first is
    where supervening authority, such as an en banc decision, an
    opinion      of   the   Supreme    Court,    or   newly    passed   legislation
    undermines the decision of a previous panel.              See United States v.
    Holloway, 
    499 F.3d 114
    , 118 (1st Cir. 2007); United States v.
    Allen, 
    469 F.3d 11
    , 18 (1st Cir. 2006).            The second, which we have
    described as "hen's-teeth rare," occurs where "authority that
    postdates the original decision, although not directly controlling,
    may [] offer a compelling reason for believing that the former
    panel, in light of new developments, would change its collective
    mind." Malouf, 466 F.3d at 27 (internal quotation marks omitted).
    As Carrasquillo-Ocasio admits that no supervening authority exists
    and points to no "compelling reason" why the former panel would
    have       changed   its   "collective   mind,"    we     decline   to   revisit
    Goncalves.
    2. Individualized Drug Quantity and Credibility Determination
    "When      sentencing   a    participant     in    a   drug-trafficking
    conspiracy, the district court must make an individualized finding
    3
    While his appeal was pending, Carrasquillo-Ocasio moved for
    initial hearing en banc. On January 9, 2012, this court denied
    that request. United States v. Carrasquillo-Ocasio, No. 10-1931
    (1st Cir. Jan. 9, 2012) (order denying request for initial en banc
    review).
    -19-
    concerning the quantity of drugs attributable to, or reasonably
    foreseeable      by,   the   offender."         United   States    v.    Cintrón-
    Echautegui, 
    604 F.3d 1
    , 5 (1st Cir. 2010) (footnote omitted); see
    also United States v. Colon-Solis, 
    354 F.3d 101
    , 103 (1st Cir.
    2004) (noting that in a drug conspiracy case a "defendant-specific
    determination of drug quantity" is a required "benchmark for
    individualized sentencing under the guidelines").                 We review the
    question   of    whether     the   sentencing    judge   made     an   individual
    quantity determination at all de novo; if we determine that an
    individualized determination was made, our review is only for clear
    error.    See Cintrón-Echautegui, 
    604 F.3d at 5
    .
    At    the    sentencing       hearing,     the   court     made    a   clear
    individualized         quantity      determination,        concluding        that
    Carrasquillo-Ocasio was responsible for the entire drug quantity
    sold during the time he participated in the Piñero conspiracy from
    sometime in 2007 until early 2008, rather than the entire 2006-2008
    lifespan of the conspiracy.            The court stated: "[A]s to the
    specific drug amount. . . [i]f it had been conspiracy-wide, it
    would have been greater, but it's specific to his participation
    during the time he was present . . . . And let me note, it's
    different [from] other Defendants . . . This one specifically
    narrowed to his presence 2007 to early 2008."
    Carrasquillo-Ocasio argues that it was error to attribute to
    him the entire quantity of drugs moved by the conspiracy during the
    -20-
    time he participated in the Piñero operation, rather than merely
    the   drugs    he   personally      sold   or   delivered.       This    argument
    misunderstands Carrasquillo-Ocasio's liability.               As a member of a
    conspiracy, he was liable not only for the drugs "attributable" to
    him, but also to those "reasonably foreseeable by" him.                        
    Id.
    Evidence at trial indicated that Carrasquillo-Ocasio not only sold
    drugs    at   the   drug   point,    but   also   that   he   was   a   "runner,"
    responsible for moving drugs from the stash house to the drug point
    and     for   collecting    and     delivering    cash    revenues      from    the
    conspiracy.     The district court was thus well within the bounds of
    reasonableness to conclude that the entire drug quantity moved
    through Piñero was "reasonably foreseeable" by Carrasquillo-Ocasio.
    There was no error.
    Carrasquillo-Ocasio further asserts that our decision in
    United States v. Correy, 
    570 F.3d 373
     (1st Cir. 2009), requires us
    to remand his case for resentencing because the district court
    failed to make an explicit credibility assessment of Nuñez-Rivera's
    testimony, which was the primary evidence given at trial as to
    specific drug quantities.            In Correy, also a multi-defendant
    conspiracy     conviction    under     section    841    where   specific      drug
    quantities were adduced from the testimony of a single witness, we
    remanded for resentencing because the district court judge failed
    to make a credibility assessment of that witness's testimony.                   See
    
    id. at 380-381
    .
    -21-
    Despite    these   facial    similarities,   Carrasquillo-Ocasio's
    reliance on Correy is misplaced. The factors that gave rise to our
    concerns in Correy are not present in this case.             In Correy, a
    judge who had not presided over the trial presided over sentencing,
    and the transcript of the sentencing hearing suggested that the
    sentencing judge was not familiar with the trial testimony beyond
    what could be found in the pre-sentencing report ("PSR").         In this
    case, by contrast, the same judge who presided over Carrasquillo-
    Ocasio's lengthy trial also presided at his sentencing hearing and
    the sentencing hearings of many of his co-conspirators -- those who
    went to trial as well as those who pled guilty.       The transcript of
    the sentencing hearing reveals that the court was intimately
    familiar with the facts of the case and the events at trial, and
    the district court's decision to credit the drug quantities in the
    PSR was an implicit decision to credit Nuñez-Rivera's testimony.
    B. Santos-Rivera
    Unlike his co-defendants, Santos-Rivera challenges only his
    sentencing, not his conviction.           Because Santos-Rivera had a
    previous conviction for felony drug possession, his conviction
    under section 841(b)(1)(A) triggered a mandatory minimum sentence
    of twenty years.    While expressing his regret that he lacked the
    discretion to order a more lenient sentence, the district court
    reluctantly sentenced Santos-Rivera to 240 months.             On appeal,
    Santos-Rivera    asserts   that    the    district   court    incorrectly
    -22-
    calculated his recommended range under the Sentencing Guidelines
    and that his sentence was unreasonable.
    Both of Santos-Rivera's arguments, however, are foreclosed.
    The district court explained that it sentenced Santos-Rivera to the
    statutory minimum mandated by 
    21 U.S.C. §§ 841
    (b) & 851.               Unlike
    sentences imposed under the Guidelines, which are discretionary and
    require   the   sentencing       judge   to   impose   a   sentence   that   is
    reasonable, a statutory mandatory minimum sentence is compelled by
    the text of § 841(b), which is a congressional mandate over which
    the   trial   court   has   no    discretion.4     See     United   States   v.
    Atonakopoulos, 
    399 F.3d 68
    , 75 (1st Cir. 2005) ("A mandatory
    minimum sentence imposed as required by a statute based on facts
    found by a jury or admitted by a defendant is not a candidate for
    Booker error.").      Because the district court had no discretion to
    impose a sentence less than 240 months, neither of Santos-Rivera's
    arguments would entitle him to any relief.             We have no choice but
    to affirm his sentence.
    4
    Under the current Sentencing Guidelines, there are a few
    exceptions to the general rule that a statutory mandatory minimum
    applies automatically. See e.g., 
    28 U.S.C. § 994
    (n) (mandatory
    minimums may be waived because of defendant's "substantial
    assistance" in a government investigation); U.S.S.G. § 5C1.2 and 
    18 U.S.C. § 3553
    (f)(1)-(5)(defendants convicted of certain crimes may
    avoid mandatory minimums if they meet certain criteria). None of
    these exceptions is applicable to the instant case.
    -23-
    IV. Conclusion
    For the foregoing reasons, the judgments of the district court
    are affirmed.
    So ordered.
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