                         United States Court of Appeals
                            FOR THE EIGHTH CIRCUIT
                                   ___________

                                   No. 05-3864
                                   ___________

United States of America,               *
                                        *
            Appellee,                   *
                                        * Appeal from the United States
      v.                                * District Court for the
                                        * Western District of Missouri.
Xavier Lightfoot,                       *
                                        *
            Appellant.                  *
                                   ___________

                             Submitted: December 14, 2006
                                Filed: April 26, 2007(Corrected April 27, 2007)
                                 ___________

Before WOLLMAN, RILEY, and SHEPHERD, Circuit Judges.
                           ___________


WOLLMAN, Circuit Judge.

       This case is once again before us. In 1999, Xavier Lightfoot and Cornelius
Peoples were convicted of aiding and abetting the murder of a federal witness, in
violation of 18 U.S.C. §§ 1512(a)(1)(A), 1512(a)(1)(C), 1512(a)(2), and 1111. We
reversed their convictions and remanded the case for a new trial. United States v.
Peoples, 250 F.3d 630, 642 (8th Cir. 2001). Peoples eventually pled guilty to aiding
and abetting the murder of a federal witness. Lightfoot proceeded to trial and was
convicted of conspiracy to commit a bank robbery, in violation of 18 U.S.C. § 371,
conspiracy to murder a federal witness, in violation of 18 U.S.C. §§ 371 and 1111,
and the murder of a federal witness, in violation of 18 U.S.C. §§ 1512(a)(1), 1111, and
2. Lightfoot was convicted on all counts and the district court1 sentenced him to a
term of life in prison. Lightfoot appeals from his convictions, claiming numerous
evidentiary errors, error in the jury selection process, a violation of the Speedy Trial
Act, and improper questioning by the prosecutor. We affirm.

                                           I.

        Lightfoot and Peoples perpetrated several robberies in the fall of 1997. In
December 1997, Lightfoot was arrested and charged with one of these robberies (a
federally insured credit union in Omaha, Nebraska). While he was being held in a
pretrial detention facility, Lightfoot learned that his lover and housemate, Jovan Ross,2
had supplied information to law enforcement about the robbery. Lightfoot
subsequently informed Peoples (who had not yet been charged with participation in
the robberies) that he wanted a witness against him murdered.3 Lightfoot suggested
that if this witness was not killed, Lightfoot might try to arrange some sort of deal
with law enforcement, which Peoples believed would entail Lightfoot’s “snitching”
on Peoples. Lightfoot provided Peoples with identifying information about Ross,
including her address and the kind of car she drove. Peoples contacted Anthony
Hunter about murdering Ross. Hunter declined to commit the murder himself.
Instead, he spoke with Curtis Barfield and Carl Haskell about killing Ross. It was
eventually agreed that Haskell would kill Ross. Hunter and Barfield provided Haskell



      1
       The Honorable Fernando J. Gaitan, Jr., now Chief Judge, United States District
Court for the Western District of Missouri.
      2
        Although Ross was biologically male, she considered herself and presented
herself to others as a woman. Accordingly, we will use feminine pronouns when
referring to Ross.
      3
       Lightfoot did not provide Peoples with the witness’s name.

                                          -2-
with a car and Hunter gave him a firearm. Peoples testified that Lightfoot was
responsible for paying these individuals.

       On June 8, 1998, Haskell shot Ross to death. Lightfoot, still incarcerated
pending trial for robbery, was anxious for verification that the murder had in fact
occurred. When Peoples confirmed that Ross had been murdered, Lightfoot reacted
by saying “beautiful” five times and expressed his gratitude to Peoples, saying,
“[t]hat’s perfect, that’s perfect, I can’t ask for no more.”

        As noted above, Lightfoot and Peoples were convicted of aiding and abetting
Ross’s murder. After we reversed the convictions, Barfield and Haskell (who had
been previously indicted for their involvement in the murder), were joined with
Peoples and Lightfoot under a single superseding indictment. Barfield and Haskell
were later severed from the case and Peoples pled guilty. At the second trial, Peoples
was the government’s principal witness. Among other things, Peoples deciphered
recordings of telephone conversations between Lightfoot and Peoples in which the
two men, aware that their conversations were being recorded, spoke in an indirect,
veiled manner. Other witnesses at trial included Hunter and an individual named
Larry Platt, who had participated in a robbery with Lightfoot and Peoples. Lightfoot
testified on his own behalf and denied that he had wanted Peoples to kill Ross. He
stated that Ross’s murder was all Peoples’s doing and that Lightfoot had wanted Ross
to be bribed so that she would leave town.

                                         II.

      Lightfoot argues first that the district court improperly restricted his cross-
examination of government witnesses and erroneously precluded him from
introducing important evidence. We disagree.




                                         -3-
        The Confrontation Clause guarantees defendants the opportunity to effectively
cross-examine adverse witnesses. United States v. Triplett, 104 F.3d 1074, 1079 (8th
Cir. 1997) (citing United States v. Willis, 997 F.2d 407, 415 (8th Cir. 1993)). The
“exposure of a witness’ motivation in testifying is a proper and important function of
the constitutionally protected right of cross-examination.” Davis v. Alaska, 415 U.S.
308, 316-17 (1974). A defendant’s Confrontation Clause rights are not boundless,
however, and “trial judges retain wide latitude . . . to impose reasonable limits on such
cross-examination based on concerns about, among other things, harassment,
prejudice, confusion of the issues, the witness’ safety, or interrogation that is
repetitive or only marginally relevant.” Delaware v. Van Arsdall, 475 U.S. 673, 679
(1986).4 “We will not reverse a trial court’s decision to limit cross-examination absent
a ‘clear abuse of discretion and a showing of prejudice to [the] defendant.’” United
States v. Purkey, 428 F.3d 738, 753 (8th Cir. 2005) (alteration in original) (quoting
United States v. Love, 329 F.3d 981, 984 (8th Cir. 2003)), cert. denied, 127 S. Ct. 433
(2006). “A key factor in determining whether a defendant’s right of confrontation has
been violated is whether the defendant had other means at his disposal to obtain the
effect that the excluded examination would have allegedly established.” United States
v. Warfield, 97 F.3d 1014, 1024 (8th Cir. 1996).

     Because Lightfoot’s principal evidentiary contention is that the district court
improperly impaired his ability to challenge the motivations and credibility of

      4
        In support of his claims, Lightfoot reposes great reliance upon Holmes v. South
Carolina, 547 U.S. 319, 126 S. Ct. 1727 (2006), which Lightfoot argues supports a
defendant’s right to present evidence of third-party guilt. Lightfoot’s reliance on
Holmes is misplaced, however, because Holmes addressed an “arbitrary” rule of
evidence that unduly impinged upon the defendant’s ability to present evidence of
third-party guilt. 126 S. Ct. at 1735. The evidence at issue here, by contrast, was (as
set forth below) excludable pursuant to “well-established rules of evidence [that]
permit trial judges to exclude evidence if its probative value is outweighed by certain
other factors such as unfair prejudice, confusion of the issues, or potential to mislead
the jury.” Id. at 1732 (citations omitted).

                                          -4-
Peoples, Hunter, and Platt, we note at the outset that the jury was given a great deal
of information bearing on these witnesses’ reasons for cooperating with the
government and their credibility. The jury learned that Peoples was a gang-affiliated
criminal with a prior felony conviction for aggravated battery. Peoples acknowledged
that he had lied to law enforcement about the robberies. Peoples also stated that he
had reached a plea agreement with the government, that he had not wanted to risk the
death penalty for his involvement in Ross’s murder, and that he was hoping for a
sentencing reduction for his cooperation in the case. As for Hunter, he stated that he
had a prior conviction for aggravated robbery and testified that he had been an
“enforcer” in a street gang. Hunter also acknowledged that he had pled guilty to
aiding and abetting Ross’s murder pursuant to a plea agreement and that he had
received a sentencing reduction. The jury heard Platt testify that he had prior
convictions and that he had been involved in a number of crimes. Platt stated that he
had entered into a plea agreement with the government, pursuant to which he pled
guilty to transporting stolen property across state lines and agreed to testify against
others. Platt acknowledged that he hoped for a sentencing benefit in the case. He also
stated that he had cooperated against codefendants in another case, after which he
received probation. Platt also acknowledged that he had repeatedly lied to law
enforcement about what he knew about the bank robberies and that he had falsely
denied knowing anything about Ross’s murder. It is in light of the foregoing factual
background that we examine Lightfoot’s contention that he was unduly circumscribed
in examining Peoples, Hunter, and Platt.

      A.     Exclusion of Evidence Pertaining to a Telephone Call from Michelle
             Peoples to Lightfoot

      The district court precluded Lightfoot from questioning Peoples about a
telephone call that Peoples’s wife, Michelle, placed to Lightfoot prior to trial while
Lightfoot was in jail. Lightfoot argues that this call – which was made at Peoples’s
behest – was relevant because, inter alia, it exposed Peoples’s motivation in testifying

                                          -5-
and reveals Peoples’s attempts to influence Lightfoot. Lightfoot also argues that
“[t]he conversation is significant because Peoples’s statements, made through his
wife, are lies.” We conclude that these arguments lack merit.

       First, even assuming that Michelle’s statements can be attributed to Peoples, it
is not clear that Lightfoot offered Peoples’s motivation for cooperating with the
government as a ground for cross-examining Peoples about the telephone call.
Instead, Lightfoot stated that the calls were relevant to show that Peoples was a
“schemer” and that he sought to exert some kind of influence over Lightfoot:

      COUNSEL: I think I need to show that this guy is a schemer and that
      he’s not just a forthcoming good citizen, and I think him putting his wife
      up –
      THE COURT: Scheming about what?
      COUNSEL: There are lies in the phone call that he had – as I have just
      been reminded, there are attempts by Michelle on behalf of [Peoples] to
      influence Mr. Lightfoot, which he resists, but I think it shows –
      THE COURT: Influence him to do what?
      COUNSEL: It’s hard to tell.
      THE COURT: Well, I’m going to deny that. Objection sustained.

       In any case, even if the district court should have understood from this
exchange that Lightfoot was seeking to elicit evidence concerning Peoples’s
motivation in testifying, it is difficult to see how evidence that Peoples sought to
influence Lightfoot in some vague, unexplained manner would have contributed to or
differed from the other testimony regarding Peoples’s motivations. Peoples admitted
that he hoped for a sentencing reduction and acknowledged a concern that he might
be otherwise at risk for the death penalty. He also stated that he was suspicious of
Lightfoot and that he thought that Lightfoot might implicate him. In light of this
testimony, evidence of some indistinct, undefined effort to influence Lightfoot would
have likely done little to alter the jury’s appraisal of Peoples’s motivations.



                                         -6-
       We also reject Lightfoot’s claim that the telephone call was relevant to show
that Peoples was attempting to influence Lightfoot. Although we have previously
held that one witness’s attempts to influence another witness’s testimony may, in
some cases, bear on the credibility of both, United States v. O’Conner, 64 F.3d 355,
359-60 (8th Cir. 1995) (per curiam), Peoples does not appear to have been attempting
to influence Lightfoot’s testimony during the telephone call. Indeed, as Lightfoot’s
vague offer of proof implicitly reflects, it is difficult to say that Peoples was
attempting to influence Lightfoot to do anything at all.

       Also unavailing is Lightfoot’s assertion that he should have been able to
question Peoples about the telephone call because Michelle was telling Lightfoot lies.
Rule 608(b) of the Federal Rules of Evidence confers upon district courts discretion
to permit witness-credibility questioning on specific bad acts not resulting in a felony
conviction. United States v. Martz, 964 F.2d 787, 789 (8th Cir. 1992). We will
assume for the sake of argument that Michelle’s alleged lies are prior bad acts that
were admissible pursuant to Rule 608(b). There was no error in the exclusion of this
evidence, however, because Lightfoot was unable to elicit any probative testimony on
this topic when he questioned Peoples outside the presence of the jury. Peoples
acknowledged that he had asked his wife to call Lightfoot, but denied that he had
asked her to lie to him.5 Accordingly, even if the district court had permitted
Lightfoot to question Peoples about the phone call, there is no indication that
Lightfoot would have elicited any evidence that Peoples (through his wife) had lied.6

      5
       It bears mention that Lightfoot was obliged to “take” this answer. Rule 608(b)
“forbids the use of extrinsic evidence to prove that the specific bad acts occurred.”
Martz, 964 F.2d at 789 (citing Fed. R. Evid. 608(b)). A party attempting to impeach
a witness by questioning him about bad acts bearing on credibility is required to “take
his answer.” Id. (citations omitted).
      6
       Lightfoot also contends that the district court should have allowed him to
question Peoples about the many calls Peoples had placed to Michelle from jail, as
well as about Michelle’s costly phone bills. Both the calls and Michelle’s telephone

                                          -7-
      B. Exclusion of Testimony Concerning the Wyandotte County Homicide

        Lightfoot contends also that the district court erred by precluding him from
questioning Peoples and Hunter about their involvement in an unrelated double
homicide in Wyandotte County, Kansas.7 Neither Peoples nor Hunter has been
charged in the double homicide, and the murders evidently remain unsolved. Peoples
told law enforcement that the murders had been committed by Hunter and that he had
helped Hunter dispose of the bodies and the weapon. According to what appears to
be a police detective’s hand-written notes (of uncertain authorship), Hunter claimed
that it was Peoples and another individual who had committed the murders. Hunter’s
recorded witness statement, however, does not accuse Peoples of the murders. The
district court concluded that the probative value of any inquiry on the murders would
have been outweighed by its potential for undue prejudice and jury confusion. We
agree.

       Lightfoot’s claimed purpose in seeking to explore the uncharged double
homicide was to demonstrate that Hunter’s and Peoples’s cooperation in this case was
motivated by a hope for leniency – not just in this case, but in the Wyandotte County
case as well. Although Lightfoot alludes to unspoken understandings between the
government and the witnesses, the record reflects no agreements that Peoples or
Hunter would receive any leniency for the Wyandotte County murders, and neither
plea agreement contains provisions immunizing Peoples or Hunter from state or local


bills are, as far as we can discern, completely irrelevant and thus not a proper subject
for cross-examination. We also reject the contention that Michelle’s failure to respond
to Lightfoot’s accusation that Peoples lied to law enforcement constituted an
admission on Peoples’s part that Lightfoot’s accusations were accurate.
      7
       Most of the information pertaining to this claim was conveyed through exhibits
that were not admitted into evidence.

                                          -8-
prosecution. When Peoples was questioned about the murders outside the presence
of the jury, he stated that he had not been charged in the double homicide and that he
had never been asked to provide testimony about Hunter’s involvement. Lightfoot did
not ask Peoples about any deals or understandings he may have had with the
government about these murders. Nor did Lightfoot pursue an offer of proof with
regard to Hunter that would indicate what Hunter’s testimony might have been in this
regard. Accordingly, Lightfoot’s contention that cooperation in this case was a “two-
for-one deal” that garnered the witnesses leniency in both the Ross and Wyandotte
County murders is mere speculation.8

       Because Lightfoot was able to establish Hunter’s and Peoples’s hopes for
leniency as their motivation for testifying in this case through other means, the district
court did not abuse its discretion in precluding examination regarding collateral and
uncharged prior bad acts and speculative, unspoken agreements between the
government and the witnesses. See Purkey, 428 F.3d at 753-54 (holding that there
was no error in preventing a defendant from attempting to demonstrate that a witness’s
testimony was motivated by a desire to avoid punishment for uncharged acts where
the defendant was able to demonstrate that the witness sought a reduction in his
sentence on charged conduct); United States v. Rodriguez-Andrade, 62 F.3d 948, 953
(7th Cir. 1995) (“It is not an abuse of discretion to exclude speculative evidence of
government promises where there is already ample evidence of genuine plea bargains
and government benefits.”).




      8
        Lightfoot finds it significant that Peoples’s assistance in the investigation of
the Wyandotte County murders helped provide a basis for a motion filed by the
government pursuant to Rule 35 to reduce Peoples’s sentence in the Ross murder case.
The sentencing benefit may have encouraged Peoples to cooperate in the Wyandotte
County investigation, but it has no apparent bearing on Peoples’s reasons for
testifying in this case.

                                           -9-
        Lightfoot also sought to explore whether Hunter and Peoples were complying
with the requirement in their plea agreements that they disclose any information that
they might have about state, local, or federal criminal activity. Lightfoot argues that
because Peoples and Hunter told mutually inconsistent stories, either or both of them
must have been lying about the double homicide, in violation of their plea agreements,
and that the jury should have been made aware of this deceit. As noted earlier,
however, Lightfoot did not pursue an offer of proof with regard to Hunter’s testimony,
and it is therefore not clear what Lightfoot would have been able to accomplish had
he examined Hunter on this matter. Moreover, because Hunter’s statements to the
police concerning the homicides predated his plea agreement in this case, it is
questionable whether lies he may have told about the homicides would be probative
of his compliance with the plea agreement in the Ross homicide case. Although
Lightfoot asked Peoples about his involvement in the homicides, he did not ask
Peoples whether he had spoken truthfully about the Wyandotte County murders and
did not question him about Hunter’s statement.9

       In sum, because there is little indication that an examination of Peoples or
Hunter on the Wyandotte County double homicides would have yielded anything
fruitful for the defense and the potential for undue prejudice and jury confusion was
substantial, the district court did not abuse its discretion in precluding Lightfoot from
pursuing this line of inquiry.10

      9
       Evidence that Peoples or Hunter had attempted to “frame” the other was
potentially relevant. Johnson v. Brewer, 521 F.2d 556 (8th Cir. 1975). In Johnson,
however, if the evidence conveyed in the defendant’s offer of proof had been admitted
into evidence and credited by the jury, it would have demonstrated that the witness
had previously framed an individual in an earlier case. Id. at 560-64. In this case, by
contrast, the offer of proof did not so clearly indicate that either Peoples or Hunter had
attempted to frame the other.
      10
       At trial, Lightfoot also suggested that Hunter could be questioned about his
statements to police about the murders because he denied on cross-examination that

                                          -10-
      C.     Exclusion of Evidence of Peoples’s Juvenile Conviction for Involuntary
             Manslaughter

       Lightfoot contends next that he should have been allowed to question Peoples
about Peoples’s juvenile conviction for involuntary manslaughter. Lightfoot argues
that this conviction – which would have served as an aggravating factor for the death
penalty had Peoples proceeded to trial and been found guilty – contributed to
Peoples’s decision to plead guilty and testify against Lightfoot. We conclude that the
district court did not abuse its discretion in precluding Lightfoot from exploring this
topic. Lightfoot was able to elicit testimony that Peoples did not want to risk the death
penalty. It is unlikely that the jury would have had an appreciably different view of
Peoples’s reasons for cooperating with the government had Lightfoot been able to
question Peoples about a juvenile involuntary manslaughter conviction.

      D.     Excluded Evidence Pertaining to a Home Invasion Perpetrated by
             Peoples, Platt, and Others

       Lightfoot also sought to introduce evidence pertaining to a home invasion
perpetrated by Peoples, Platt, and others. Lightfoot contends that evidence of the
home invasion was admissible to show that Platt was testifying falsely when he stated
that he received a lenient sentence on that offense merely for pleading guilty and that
the sentence simply “fell in the grid.” This argument lacks merit, as Platt
acknowledged several times at trial that he had received probation after cooperating
with law enforcement. Lightfoot also suggests that testimony concerning the home

he had talked with law enforcement about crimes other than those at issue in this case.
Assuming, arguendo, that this is an accurate characterization of Hunter’s testimony
(the exchange between Lightfoot’s counsel and Hunter on this matter is somewhat
opaque), it was not an abuse of discretion to preclude further examination on this
collateral topic.

                                          -11-
invasion would be relevant to show that Platt was a “repeat deal maker” who knew the
value of cooperating with authorities. Lightfoot was able to question Platt about this
subject, however, and it is unlikely that testimony concerning the details of the home
invasion would have been of any significant probative value in Lightfoot’s case.

        In addition, Lightfoot suggests that he should have been able to introduce
evidence concerning the home invasion to rebut the government’s attempt to paint
Lightfoot as, in Lightfoot’s words, a “criminal mastermind who turned [Peoples and
Platt] from relatively small-time nighttime burglars into dangerous armed robbers who
brandished firearms.” The jury heard other evidence of Platt’s and Peoples’s violent
backgrounds, some of which was related to the home invasion. For example, Platt
admitted that he been charged with three counts of aggravated assault, two counts of
burglary, one count of kidnaping, and two counts of attempted robbery in relation to
the home invasion. The jury also heard Peoples admit that he spent time in prison for
aggravated battery and that he had owned a firearm prior to meeting Lightfoot.
Accordingly, the district court did not abuse its discretion in precluding Lightfoot
from developing testimony regarding the details of the home invasion.

         E. Preclusion of Evidence of Ross’s and Lightfoot’s HIV Status

      Finally, Lightfoot argues that he was improperly precluded from testifying that
both he and Ross were HIV positive. At trial, Lightfoot argued that their HIV status
was relevant because it explained why he committed the robberies, namely, to make
money before both he and Ross were incapacitated by illness. Lightfoot was
permitted to testify that he had an unspecified health problem that placed pressure on
him to make money. He also testified that he felt the need to help take care of his son
and Ross. Insofar as Lightfoot’s reasons for committing the robberies were relevant




                                         -12-
to his defense, restricting him to testifying that he had an unspecified health condition
did not prejudice his case.11

                                          III.

      Lightfoot contends next that his conviction must be reversed because the district
court improperly excused for cause two venirepersons based on their written
questionnaires. This claim is unavailing.

       “[A] sentence of death cannot be carried out if the jury that imposed or
recommended it was chosen by excluding veniremen for cause simply because they
voiced general objections to the death penalty or expressed conscientious or religious
scruples against its infliction." Witherspoon v. Illinois, 391 U.S. 510, 522 (1968). If
even one venirperson is improperly excluded for cause, the death penalty cannot be
imposed. Kinder v. Bowersox, 272 F.3d 532, 543 (8th Cir. 2001) (citing Gray v.
Mississippi, 481 U.S. 648, 667-68 (1987)). A venireperson may be properly excluded
from sitting in a capital case, however, if the venireperson’s views on capital
punishment would “prevent or substantially impair the performance of his duties as
a juror in accordance with his instructions and his oath.” Wainwright v. Witt, 469
U.S. 412, 424 (1985). “We review a district court’s removal of death-scrupled
venirepersons for an abuse of discretion,” even where the removal is based on the
venirepersons’ responses to written questionnaires rather than a face to face voir dire.
Purkey, 428 F.3d at 750.



      11
        Lightfoot’s contention that evidence of Ross’s HIV status was relevant to
explain why Lightfoot thought that Ross would be likely to accept a bribe to leave
town does not appear to have been presented to the district court and thus will not be
considered on appeal. See United Fire and Cas. Co. v. Historic Pres. Trust, 265 F.3d
722, 728 (8th Cir. 2001) (observing that a claim of error in the exclusion of evidence
cannot be predicated on a ground that was not presented to the district court at trial).

                                          -13-
       We need not reach the merits of Lightfoot’s Witherspoon claim, because
Witherspoon error does not require the reversal of a conviction, but only that the death
sentence be vacated. See Gray, 481 U.S. at 668 (reversing judgment for Witherspoon
error “insofar as it imposes the death sentence”); Bumper v. North Carolina, 391 U.S.
543, 545 (1968) (“Our decision in Witherspoon does not govern the present case,
because here the jury recommended a sentence of life imprisonment.”). Because
Lightfoot was not sentenced to death, the remedy for Witherspoon error is not
applicable to this case. In any event, we have reviewed the challenged venirepersons’
questionnaires and are satisfied that the district court did not abuse its discretion in
excusing them.

                                            IV.

       We turn next to Lightfoot’s speedy trial claim. Lightfoot contends that because
his 70-day speedy trial clock starting running on June 13, 2001, the date of the
mandate in the prior appeal, the government was required to try him by August 22,
2001, which was well before his trial date and before any continuances had been
requested or granted. Lightfoot does not appear to raise any claim regarding delays
that may have occurred subsequent to August 22, 2001. The district court rejected
Lightfoot’s speedy trial claim because it determined that when Barfield and Haskell
were joined with Lightfoot and Peoples in a superseding indictment on August 9,
2001, Lightfoot’s speedy trial clock was reset and a new clock began to run. In
arriving at this conclusion, the district court relied upon the following language from
the Second Circuit: “[I]n cases involving multiple defendants only one speedy trial
clock, beginning on the date of the commencement of the speedy trial clock of the
most recently added defendant, need be calculated under 18 U.S.C. § 3161(h)(7).”
United States v. Piteo, 726 F.2d 50, 52 (2d Cir. 1983).

      Lightfoot argues that because Barfield and Haskell had been indicted well
before their joinder with Lightfoot and Peoples, it was Lightfoot and Peoples (rather

                                         -14-
than Barfield and Haskell) who were the most recently added codefendants.
Accordingly, Lightfoot contends that joinder with Barfield and Haskell did not reset
his speedy trial clock.

      The Speedy Trial Act provides in pertinent part that

      [i]f the defendant is to be tried again following an appeal or a collateral
      attack, the trial shall commence within seventy days from the date the
      action occasioning the retrial becomes final . . . The periods of delay
      enumerated in section 3161(h) are excluded in computing the time
      limitations specified in this section.

18 U.S.C. § 3161(e). This 70-day time limit begins to run upon the district court’s
receipt of our mandate. United States v. Lozano, 413 F.3d 879, 882 (8th Cir. 2005).
The delays enumerated in section 3161(h) include “reasonable period[s] of delay when
the defendant is joined for trial with a codefendant as to whom the time for trial has
not run and no motion for severance has been granted.” 18 U.S.C. § 3161(h)(7).
Pursuant to section 3161(h)(7), we have held that when a newly indicted or arraigned
defendant is joined with a defendant whose speedy trial clock has already started
running, the latter defendant’s speedy trial clock will be reset so that it reflects the
speedy trial clock of the newly added codefendant. See, e.g., United States v.
Patterson, 140 F.3d 767, 772 (8th Cir. 1998) (“Where multiple defendants are joined
for trial and no motion for severance has been granted, the statutory time period does
not begin to run until the last codefendant has been indicted or arraigned.”).
Thereafter, all of the defendants are subject to one controlling speedy trial clock and
any time periods excluded from the speedy trial calculations for one defendant will
be applicable to the other defendants. Id.

       This approach comports with the purpose of section 3161(h)(7), which is to
“insure that the Speedy Trial Act does not alter the present rules governing severance
of co-defendants by forcing the government to prosecute the defendants separately or

                                         -15-
be subject to a speedy trial dismissal motion.” United States v. Monroe, 833 F.2d 95,
100 (6th Cir. 1987); see also United States v. Vega Molina, 407 F.3d 511, 532 (1st
Cir. 2005) (noting that the purpose of section 3161(h)(7) is to“prevent the Speedy
Trial Act from becoming a sword that can be used to shred the joinder rules”), cert.
denied sub nom. Zuniga-Bruno v. United States, 126 S. Ct. 296 (2005).
Synchronizing all of the defendants’ speedy trial clocks so that they reflect the speedy
trial clock of a newly added co-defendant prevents speedy trial concerns from
deterring the government from seeking to join defendants.

        When all of the defendants intended to be joined have speedy trial clocks that
have already started running, we look to see which of the defendants has the most time
remaining. Cf. United States v. Barnes, 251 F.3d 251, 257 (1st Cir. 2001) (citing
Henderson v. United States, 476 U.S. 321, 323 n.2 (1986)) (“The Supreme Court has
interpreted this proviso to mean that when a joint trial is in prospect, the speedy trial
clock seeks the longest available span of time.”); Committee on the Administration
of the Criminal Law of the Judicial Conference of the United States, Guidelines to the
Administration of the Speedy Trial Act of 1974, as amended, 106 F.R.D. 271, 298
(1984) (“In effect, the latest deadline for any of the joined defendants becomes the
deadline for all.”). In other words, once multiple defendants with time remaining on
their respective speedy trial clocks have been joined together, and if severance has not
been granted, their speedy trial clocks will, subject to section 3161(h)(7)’s
reasonableness requirement, be reset and synchronized with the clock of the defendant
with the most time remaining. This insures that speedy trial considerations will not
hamper the joinder of defendants who have different amounts of time left on their
respective speedy trial clocks.

       In light of the foregoing, the section 3161(h)(7) analysis in this case should not
turn on which group of defendants was most recently added. Instead, the pertinent
question is which defendant (or defendants) had the most speedy trial time remaining.
The government appears to contend that the joinder of defendants under a single

                                          -16-
indictment not only synchronizes the defendants’ respective speedy trial clocks, but
automatically resets all of the clocks to zero. We acknowledge that this is the practical
result in those cases where a defendant whose speedy trial clock has not yet
commenced is joined with a defendant whose speedy trial clock had already started
running. For the defendant whose clock has not yet commenced running, of course,
the speedy trial clocks starts at zero days elapsed. The other defendant’s clock, for all
practical purposes, may be considered reset to zero because it will be synchronized to
the speedy trial clock of the codefendant.

      By contrast, when defendants, all of whose speedy trial clocks have already
commenced, are joined together, it is doubtful whether section 3161(h)(7) envisions
automatically resetting all of the speedy trial clocks to zero. One could imagine, for
example, a case where two defendants with very little speedy trial time remaining
were joined together. Resetting these defendants’ speedy trial clocks to zero would
arguably result in a significant speedy trial windfall for the government because the
government would be placed in a more advantageous speedy trial position than it
would been in without the joinder. It is one thing for section 3161(h)(7) to remove
speedy trial obstacles to joinder; it is quite another for it to be used to make joinder
affirmatively advantageous to the government, a result that might run afoul of section
3161(h)(7)’s reasonableness requirement.

       We need not resolve this issue, however, because Lightfoot has failed to meet
his burden under the Speedy Trial Act under any reasonable interpretation of section
3161(h)(7). Cf. United States v. Cordova, 157 F.3d 587, 599 (8th Cir. 1998) (citing
18 U.S.C. 3162(a)(2) and United States v. Neal, 27 F.3d 1035, 1042 (5th Cir. 1994))
(the “burden is on the defendant to show that his right to a speedy trial has been
violated”). Lightfoot’s speedy trial motion mentions neither Barfield nor Haskell and
offers no analysis regarding how their inclusion in the case may have affected the
running of Lightfoot’s speedy trial clock. Moreover, the time between the issuance
of the superseding indictment on August 9, 2001, and Lightfoot’s October 2001,

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initial appearance on this indictment was excludable. See United States v. Van
Someren, 118 F.3d 1214, 1219 (8th Cir. 1997) (holding that the period of time
between a superseding indictment and arraignment on that indictment is excludable).
Accordingly, Lightfoot’s speedy trial clock would have expired no earlier than
October 2001.

                                         V.

       We have considered and find to be without merit Lightfoot’s contention that the
government improperly cross-examined him regarding his intention to go to trial on
the robbery charges.

      The judgment is affirmed.
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