United States v. Robert McMath ( 2009 )


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  •                             In the
    United States Court of Appeals
    For the Seventh Circuit
    No. 08-2316
    U NITED S TATES OF A MERICA,
    Plaintiff-Appellee,
    v.
    R OBERT M C M ATH,
    Defendant-Appellant.
    Appeal from the United States District Court
    for the Eastern District of Wisconsin.
    No. 07-CR-154—Charles N. Clevert, Jr., Judge.
    A RGUED JANUARY 16, 2009—D ECIDED M ARCH 19, 2009
    Before B AUER, F LAUM, and W OOD , Circuit Judges.
    F LAUM, Circuit Judge. Robert McMath was convicted
    in a one-day jury trial of possessing a firearm after being
    convicted of a felony in violation of 
    18 U.S.C. §§ 922
    (g)(1)
    and 924(a)(2). The district court sentenced McMath to
    sixty-three months in prison, which included a two-level
    enhancement for perjury and obstruction of justice.
    McMath challenges both his conviction and sentence on
    appeal. With regard to his conviction, McMath argues
    that the district court erred when it did not make factual
    2                                               No. 08-2316
    findings pursuant to his Batson challenge and also that
    remarks made by the prosecutor during closing argu-
    ments denied him of a fair trial. With regard to his sen-
    tence, McMath challenges the district court’s two-level
    enhancement of his sentence for obstruction of justice.
    For the reasons explained below, we remand this case
    for further proceedings in light of this opinion. Upon
    remand, the district court should first determine
    whether it can make factual findings on the Batson issue. If
    it is unable to do so or finds that McMath’s challenge
    was meritorious, it must vacate McMath’s conviction. If
    the district court is able to make factual findings and
    holds that the Batson challenge should be denied, the
    district court should proceed to resentencing in light of
    our conclusion that the district court’s obstruction of
    justice enhancement relied on a mistaken factual finding.
    I. Background
    A. Events of May 8, 2007
    On the evening of May 8, 2007, Milwaukee police
    officers Chad Boyack and Cory Washington were on
    patrol when they observed a Pontiac Bonneville driving
    above the speed limit. The officers pursued the vehicle
    and activated their lights and siren. The officers observed
    the rear passenger (later identified as McMath, an
    African American male) sitting “between the middle and
    passenger side” of the vehicle. Both officers noticed
    McMath moving around in the back of the car. As the
    vehicles approached the corner of Keefe and Palmer
    No. 08-2316                                              3
    streets, the Bonneville took a fast, hard right turn. As it
    made the turn, the squad car’s lights shone into the
    Bonneville and both officers observed McMath lift
    himself up, put both arms toward the back passenger
    window (which was about half-way open), and toss a
    gun out of the window.
    The Bonneville pulled over about a half-block later and
    the officers arrested McMath. The officers noticed that
    the back passenger-side window was still about half-way
    down. The gun was later recovered from the west side
    of Palmer Street.
    B. Jury Selection
    The district court called thirty-six prospective jurors
    for the voir dire in McMath’s case. No jurors were ex-
    cused for cause. The government exercised one of its
    peremptory challenges to excuse Juror 7, one of two
    African-American jurors on the panel. When the clerk
    announced the jurors selected, McMath’s counsel,
    Mr. Erickson, objected and the prosecutor, Ms. Black-
    wood, responded. The following excerpt from pre-trial
    proceedings captures the entire discussion regarding the
    challenge:
    MR. ERICKSON:         I have an issue about Juror 7, the
    African-American.
    THE COURT:            All right.
    MR. ERICKSON:         So, I mean, if you want to—do
    you want me to do it now?
    THE COURT:            What is the issue?
    4                                             No. 08-2316
    MR. ERICKSON:      Yeah, I was thinking under
    Batson, obviously he’s Afri-
    can-American. He was struck.
    The only information we had
    about him is he was retired. He
    worked at Social Services, janito-
    rial. There’s other jurors left on
    this jury that are retired. Under
    similar circumstances I think it
    would be incumbent upon the
    Government to raise a racially
    neutral factor at this point.
    MS. BLACKWOOD: Your honor, there are two Afri-
    can-Americans that were on the
    panel; one was struck. There is
    no pattern of discrimination
    that’s been demonstrated.
    MR. ERICKSON:      Your honor, even though one is
    left on, there still, I think, has to
    be a race neutral factor and
    there’s not here.
    MS. BLACKWOOD: Race neutral factor is expression
    on his face. That’s all I can say.
    He looked angry and not happy
    to be here.
    MR. ERICKSON:      I think pretty much the whole
    jury looked like that.
    MS. BLACKWOOD: I disagree. I didn’t see that ex-
    pression.
    No. 08-2316                                                5
    MR. ERICKSON:         There were several people that
    had the same expression.
    THE COURT:            The Batson challenge is denied.
    The district court did not discuss the matter further and
    Juror 7 was excused.
    C. The Trial and Closing Statements
    At trial, the government’s case relied almost exclusively
    on the testimony of Officers Boyack and Washington,
    who testified to the facts outlined above. McMath took
    the stand in his defense and testified that he had been
    drinking that night and that he had dozed off during the
    car ride with his head against the back driver’s-side
    window. He stated that he awoke when the car took the
    hard right turn and he “kind of leaned” to the right side.
    He said that he ended up on the right/passenger side of
    the car because he was “kind of—wobbly, so I went over
    that way.” He denied throwing a gun out of the rear
    window and stated that he did not see anyone throw a
    gun out of the car. On cross, McMath acknowledged that
    he knew that he would go to prison if he was caught
    with a gun. He also admitted that he asked an officer
    during an interview later that night, “If I can prove that
    the gun isn’t mine, I can beat this, right?”
    The prosecution’s closing statement and rebuttal state-
    ment contained two types of remarks now challenged on
    6                                                No. 08-2316
    appeal.1 First, the prosecutor commented on the credi-
    bility of the testifying police officers as well as McMath.
    In her closing statement, the prosecutor stated that the
    jury should believe the officers because “[t]hey’re not out
    to get Robert McMath. They’re out to get guns off the
    street and out of the hands of felons, and they saw what
    they saw.” In her rebuttal, the prosecutor also told the
    jury that the officers would lose their jobs if they lied:
    [I]f you want to buy that they came in and perjured
    themselves to get Robert McMath who they don’t
    know from Adam just to get somebody, that would be
    immoral; that would be unethical, that would be a
    million things; that would be the loss of their job.
    I mean, you know, is that reasonable . . . ?
    The prosecutor stated that she “knew” McMath did not
    want to admit his guilt to the jury and that his story was
    “completely bogus” based on “physics and centrifugal
    force” in the car.
    Second, the prosecutor made statements regarding the
    lack of DNA evidence in the case. During her rebuttal, the
    prosecutor stated:
    1
    For context, McMath’s attorney argued in closing that the
    police conducted a sloppy investigation. He stated that the
    police likely did not see who threw the gun out the window but
    attributed it to McMath after he handed them a Wisconsin
    Department of Corrections identification card. Defense
    counsel also pointed out that there was no physical evidence,
    such as DNA or fingerprints, linking McMath to the gun.
    Finally, McMath’s counsel argued that there was reasonable
    doubt.
    No. 08-2316                                                7
    Now, again, you know, this whole specter of finger-
    prints and DNA evidence and equating that with
    reasonable doubt; once again, I’m afraid that Holly-
    wood has done a service—disservice to law enforce-
    ment because Hollywood makes you believe that
    you’re always going to be expecting to find DNA and
    fingerprint evidence.
    She also implied that one reason the government did this
    forensic testing was to prevent defense counsel from
    pointing out the lack of such testing:
    Well, I guess we’re damned if we do, and we’re
    damned if we don’t. Why did they even check for DNA
    and fingerprint evidence if it doesn’t matter. That’s
    what he [defense counsel] says. And yet if we hadn’t
    checked for it he’d be stomping and pounding the
    podium and yelling about why didn’t they check for
    prints, why didn’t they check for DNA; so police do
    it as a matter of course. Sometimes you’re lucky;
    sometimes you’re not.
    After closing statements the jury retired to deliberate and
    returned a guilty verdict on the one-count indictment.
    D. Sentencing
    The district court sentenced McMath to sixty-three
    months in prison, which included a two-level increase in
    his offense level for obstruction of justice pursuant to
    U.S.S.G. § 3C1.1.
    In explaining its decision on the obstruction enhance-
    ment, the district court recounted portions of McMath’s
    8                                                No. 08-2316
    testimony. The court said that “Mr. McMath’s state-
    ment regarding his activities in the car, his location in the
    car, his denial that he had a gun or saw a gun in my
    view were untrue, perjury, an attempt to obstruct the
    proceeding and a factual basis for this court to assess the
    two points under the sentencing guidelines.” Significantly,
    the district court also discussed a photograph of the
    Pontiac Bonneville that showed that the window on the
    rear passenger side was open. The district court asserted
    that McMath had testified that the window was up, and
    stated that “[t]hat [discrepancy] alone is enough to
    justify the obstruction points. That alone.” At sentencing
    McMath, the district court told McMath:
    [Y]ou did not tell the truth when you took the stand
    in this case. And if your perjury were not as clear
    the court might be more inclined to cut you a break.
    That’s one reason why I even asked you if you
    wished to make a statement. That’s one reason why
    I gave you an opportunity to reflect on what you
    testified to during the trial. That is one reason why
    I offered up the photograph [of the car], so that you
    could observe that when you testified about the win-
    dow in the back seat of the car being up, the objective
    proof shows it was not. But you still did not accept
    responsibility.
    However, contrary to the district court’s assertion, the trial
    transcript shows that McMath did not testify that the
    rear window on the passenger side was closed; rather he
    testified that the rear window on the driver’s side was
    closed.
    No. 08-2316                                                     9
    II. Discussion
    A. Batson Challenge
    In Batson v. Kentucky, 
    476 U.S. 79
     (1986) the Supreme
    Court held that a state’s exercise of peremptory chal-
    lenges to exclude jurors on account of race violated the
    defendant’s equal protection rights. Batson challenges
    require a three-step inquiry: (1) the defendant must
    establish a prima facie case that a peremptory challenge
    was used to exclude a juror on the basis of race; (2) once
    the defendant establishes the prima facie case, the pros-
    ecutor must provide a race-neutral explanation for the
    exclusion; and (3) the court must determine whether the
    objecting party has carried his burden to prove discrim-
    ination. United States v. Cooper, 
    19 F.3d 1154
    , 1158 (7th
    Cir. 1994).
    McMath alleges that the district court improperly failed
    to make factual findings when ruling on his Batson chal-
    lenge. Traditionally, we review the district court’s Batson
    findings for clear error. See Rice v. Collins, 
    546 U.S. 333
    , 338
    (2006) (“On direct appeal in federal court, the credibility
    findings a trial court makes in a Batson inquiry are re-
    viewed for clear error.”); accord United States v. Evans, 
    192 F.3d 698
    , 700 (7th Cir. 1999). However, because McMath
    alleges that the district court failed to appropriately
    conduct the Batson inquiry, a legal error, our review is
    de novo.2
    2
    In United States v. Taylor, 
    509 F.3d 839
    , 843-44 (7th Cir. 2007),
    we declined the defendants’ invitation to apply de novo review
    (continued...)
    10                                                 No. 08-2316
    As recounted above, the district court denied
    McMath’s Batson challenge without comment on the
    matter. McMath argues that by not making factual
    findings on the credibility of the government’s proffered
    race-neural reason for the strike, the district court acted
    contrary to the Supreme Court’s recent decision in
    Snyder v. Louisiana, ___ U.S. ___, 
    128 S.Ct. 1203
    , 1207-08
    (2008). The government asserts that McMath failed to
    make a prima facie case of discrimination, as required by
    Batson, and also that the judge’s ultimate denial of the
    Batson challenge should be understood as “implicit find-
    ings” on whether the prosecutor’s race-neutral reason
    was credible.
    We first look to the government’s argument that
    McMath never satisfied the first prong of the Batson
    inquiry of making a prima facie case of discrimination. As
    an initial matter, this argument appears to be moot under
    2
    (...continued)
    to what the defendant characterized as the district court’s
    misapprehension of the Batson procedure. However, in that
    case, unlike here, the court found the defendant’s claims of
    legal error to be overstated. Here, that is not the case, and
    de novo review of the district court’s Batson inquiry appears to
    be appropriate. In any event, however, a mistake of law gener-
    ally satisfies clear error, de novo or for that matter abuse of
    discretion review. See Maynard v. Nygren, 
    332 F.3d 462
    , 467 (7th
    Cir. 2003) (“[A] district court by definition abuses its discre-
    tion when it makes an error of law, and, while factual findings
    are generally reviewed only for clear error, findings which
    are tainted by the application of an inapposite standard are
    subject to fuller review”) (internal citations omitted).
    No. 08-2316                                                11
    Hernandez v. New York, 
    500 U.S. 352
    , 356-58 (1991) because,
    despite the government’s contention now that the defen-
    dant did not present a prima facie case, at the time of
    the challenge, the prosecution provided a race-neutral
    reason and the district court ruled on the Batson chal-
    lenge. In Hernandez, the Supreme Court considered essen-
    tially the same scenario. In that case, the defendant raised
    a Batson objection, and, as in this case, the prosecutor did
    not wait for a ruling on whether the defendant had estab-
    lished a prima facie question of racial discrimination.
    Rather, the prosecutor volunteered his reasons for
    striking the jurors in question and the trial court denied the
    defendant’s challenge to the exclusion. 
    Id. at 356-58
    . The
    Supreme Court ruled that in this situation—where “a
    prosecutor has offered a race-neutral explanation for the
    peremptory challenges and the trial court has ruled on
    the ultimate question of intentional discrimination”—the
    issue of whether the defendant has made a prima facie
    case “becomes moot.” 
    Id. at 359
    . It thus appears that the
    question of whether McMath made a prima facie case
    is moot.
    However, even if this question was not moot, it
    appears that the defendant satisfied the requirements of
    the prima facie case. In Johnson v. California, 
    545 U.S. 162
    ,
    173 (2005), the Supreme Court reaffirmed the principle
    that, in making a prima facie case, a defendant need only
    produce evidence sufficient to permit an inference of
    discrimination in order to satisfy the first step of the
    Batson analysis. The test is not rigorous: suspicion even
    less than “more likely than not” suffices. See id.; accord
    United States v. Stephens, 
    421 F.3d 503
    , 512 (7th Cir. 2005)
    12                                              No. 08-2316
    (“[T]he burden at the prima facie stage is low, requiring
    only circumstances raising a suspicion that discrim-
    ination occurred, even when those circumstances are
    insufficient to indicate that it is more likely than not
    that the challenges were used to discriminate.”).
    Here, the defendant met this threshold. The defendant
    noted that the prosecution had used its peremptory
    challenge to remove Juror 7, one of two African-American
    jurors, and also noted that “[t]he only information we
    had about him is he was retired. He worked at Social
    Services, janitorial. There’s other jurors left on this jury
    that are retired [who were not struck].” Although this
    evidence is certainly not conclusive, it suffices for the
    prima facie case. While it is true that it would not have
    been sufficient for defense counsel merely to point to the
    stricken juror’s race, see, e.g., Anderson v. Cowan, 
    227 F.3d 893
    , 901-02 (7th Cir. 2000), defense counsel’s statement
    that jurors sharing Juror 7’s only other known characteris-
    tic, his status as a retiree, had been retained by the pros-
    ecution pointed out a relevant circumstance that was
    sufficient to permit an inference of discrimination and
    prompt the prosecution to provide a race neutral justifica-
    tion for the exclusion. See United States v. Taylor, 
    509 F.3d 839
    , 844 (7th Cir. 2007) (proper to compare stricken
    black jurors to unstricken white jurors in the context of
    a Batson challenge) (citing Miller-El v. Dretke, 
    545 U.S. 231
    , 241 (2005)).
    We turn now to the second step of the Batson inquiry in
    this case. The government claimed that it struck Juror 7
    because of the expression on his face; specifically, the
    No. 08-2316                                                13
    government stated that he “looked angry and not happy
    to be here.” It is well-established that a juror’s demeanor
    is a valid race-neutral basis for a peremptory strike, which
    is all that is required for step two of the Batson inquiry.
    See, e.g., United States v. Hinton, 
    94 F.3d 396
    , 397-98 (7th
    Cir. 1996) (listing a number of demeanor-based reasons
    which may properly be the basis of choosing jurors); see
    also United States v. Briscoe, 
    896 F.2d 1476
    , 1489 (7th Cir.
    1990) (accepting that “intuitive assumptions that are not
    fairly quantifiable” play a role in jury selection). Thus, the
    prosecutor’s reason, if credible, was a proper reason
    for striking Juror 7 in this case.
    We thus come to the third step of the Batson inquiry: the
    district court’s determination regarding discrimination.
    Specifically, we must decide whether the district court’s
    summary ruling on the Batson issue was legally sufficient
    to dispose of McMath’s Batson challenge. The Supreme
    Court’s recent decision in Snyder v. Louisiana, ___ U.S. ___,
    
    128 S.Ct. 1203
    , 1207-08 (2008) is highly relevant to our
    analysis. In Snyder, the defendant made a Batson chal-
    lenge and the prosecutor explained that he had requested
    the strike first because the juror in question looked
    “nervous,” and second because the prosecutor worried
    that the juror might attempt to deliver a guilty verdict to
    a lesser charge in order to keep deliberations short and
    get back to his job more quickly. The trial court did not
    make any findings regarding the challenge, saying only:
    “All right. I’m going to allow the challenge. I’m going to
    allow the challenge.” 
    Id. at 1208
    .
    The Supreme Court first emphasized that the trial court
    has a “pivotal role” in evaluating Batson claims. 
    Id. at 1208
    .
    14                                              No. 08-2316
    The Court noted that especially where “race-neutral
    reasons for peremptory challenges [ ] invoke a juror’s
    demeanor (e.g., nervousness, inattention),” the trial
    court’s first-hand observations are “of even greater im-
    portance.” 
    Id.
     The Court stated that when a prosecutor
    invokes a juror’s demeanor as the race-neutral reason
    for the strike, “the trial court must evaluate not only
    whether the prosecutor’s demeanor belies a discrimina-
    tory intent, but also whether the juror’s demeanor can
    credibly be said to have exhibited the basis for the
    strike attributed to the juror by the prosecutor.” 
    Id.
    In reviewing the case, the Supreme Court observed that
    “nervousness” could not be shown from a cold transcript,
    which, it noted again, showed why the trial judge’s
    evaluation must be given deference. 
    Id. at 1209
    . How-
    ever, the trial judge in Snyder had not made findings
    concerning the juror’s demeanor and instead simply
    allowed the peremptory strike without explanation. As
    the Court observed, it was difficult to tell why the trial
    court denied the challenge. 
    Id.
     The trial judge may not
    have recalled the juror’s demeanor at the time it made
    its ultimate ruling (a day after the challenge), or the
    judge may have credited the prosecutor’s second basis for
    the strike (that the juror was likely to deliver a verdict to
    a lesser charge in order to keep deliberations short).
    Because there was no way to tell why the judge ruled as
    it did, the Court could not “presume that the trial judge
    credited the prosecutor’s assertion that [the juror] was
    nervous.” 
    Id. at 1209
    . In light of the “absence of anything
    in the record showing that the trial judge credited the
    claim that [the juror] was nervous”—and because the
    No. 08-2316                                               15
    prosecutor’s second basis for the strike appeared to be
    pretextual, see 
    id.
     at 1209-12—the record did not show
    that the prosecution would have pre-emptively chal-
    lenged the juror based on his nervousness alone. 
    Id. at 1212
    . Since there was no “realistic possibility that this
    subtle question of causation [for the peremptory challenge]
    could be profitably explored further on remand” more
    than a decade after the defendant’s trial, the Court’s ruling
    had the effect of setting aside the defendant’s conviction
    and sentence. See State v. Snyder, 
    982 So. 2d 763
     (La. 2008)
    (observing that the Supreme Court’s decision “effectively
    sets aside defendant’s conviction and sentence”).
    Here, like Snyder, the district court made no findings
    regarding the prosecutor’s race-neutral demeanor-
    based justification of the strike. Rather, the judge simply
    stated that the Batson challenge was denied. The dis-
    trict court did not indicate whether it agreed that Juror 7
    had an unhappy expression on his face, did not indicate
    whether this expression was unique to Juror 7 or common
    to other jurors, and made no evaluation of the prosecutor’s
    credibility. Like Snyder, the record here does not show
    that the prosecutor based the strike on Juror 7’s expression
    alone and, as Snyder teaches, we cannot presume that
    the prosecutor’s race-neutral justification was credible
    simply because the district judge ultimately denied the
    challenge.
    The government urges us to find that the district court’s
    summary denial was an “implicit finding” that the pros-
    ecutor’s explanation was credible. However, the notion
    that a district judge’s summary denial of a Batson chal-
    16                                              No. 08-2316
    lenge can be interpreted as “implicit findings” on the
    proffered race-neutral justification for the strike clearly
    undermines Snyder. Id. at 1209. Snyder makes clear that a
    summary denial does not allow us to assume that the
    prosecution’s reason was credible; rather, the district
    court’s silence leaves a void in the record that does not
    allow us to affirm the denial. We thus conclude that the
    district court clearly erred in denying the Batson chal-
    lenge without making findings regarding the credibility
    of the proffered race-neutral justification for the strike.
    We believe that remanding for further findings and a
    possible evidentiary hearing on the Batson issue is the
    most appropriate step at this time. See, e.g., Taylor, 
    509 F.3d at 845-46
     (retaining jurisdiction but remanding for
    the district court to supplement the record with factual
    findings); United States v. Taylor, 
    277 Fed. Appx. 610
    , 612-
    13 (7th Cir. May 13, 2008) (“Taylor II”) (concluding that
    the district court made insufficient factual findings
    after Taylor I and remanding again for an evidentiary
    hearing to develop the record). In Snyder, remand for
    the trial judge to make findings regarding the juror’s
    demeanor was deemed fruitless because the trial had
    occurred more than ten years prior. 
    Id. at 1212
     (“[T]here
    is no realistic possibility that this subtle question of
    causation could be profitably explored further on remand
    at this late date, more than a decade after petitioner’s
    trial.”). But remand may be more worthwhile in this case,
    as voir dire occurred only a little over a year ago. While
    it is certainly possible that the passage of time will make
    it impossible for the district judge to make findings of
    fact, our concern for judicial economy persuades us that
    No. 08-2316                                                17
    allowing the district judge the opportunity for such
    findings is the correct course. Upon remand, if the
    passage of time precludes the district court from
    making factual findings, it must vacate the judgment of
    conviction. In the event the district court can arrive at
    appropriate findings of fact satisfying the Batson inquiry,
    it should proceed to resentencing in accord with this
    opinion, as explained in Part C of our analysis.
    B. Prosecutorial Misconduct
    The defendant claims that several comments made by
    the prosecutor in her closing argument and rebuttal
    argument denied him a fair trial. Because McMath did not
    object to the remarks during trial, we review for plain
    error. See Fed. R. Crim. P. 52(b); United States v. Olano, 
    507 U.S. 725
    , 731-36 (1993). Reversal is only warranted where
    there is “(1) error, (2) that is plain, and (3) that affect[s]
    substantial rights” and “(4) the error seriously affect[s] the
    fairness, integrity, or public reputation of judicial proceed-
    ings.” See Johnson v. United States, 
    520 U.S. 461
    , 466-67
    (1997) (internal quotations omitted).
    This Court employs a two-part test to assess allegations
    of prosecutorial misconduct in closing arguments. First,
    the court will “consider the prosecutor’s disputed remarks
    in isolation to determine whether they are improper.”
    United States v. Johnson-Dix, 
    54 F.3d 1295
    , 1304 (7th Cir.
    1995). If the remarks are improper in isolation, we “con-
    sider the remarks in the context of the entire record and
    assess whether they ad the effect of denying the defendant
    18                                              No. 08-2316
    a fair trial.” 
    Id.
     In analyzing the statements, the court
    should consider
    the nature and seriousness of the statement; whether
    the statement was invited by the conduct of defense
    counsel; whether the district court sufficiently in-
    structed the jury to disregard such statements; whether
    the defense could counter the improper statement
    through rebuttal; and finally, whether the weight of
    the evidence was against the defendant.
    United States v. Severson, 
    3 F.3d 1005
    , 1014 (7th Cir. 1993);
    accord Johnson-Dix, 
    54 F.3d at 1304
     (quoting Severson, 
    3 F.3d at 1014
    ). As a general matter, improper comments
    during closing arguments “rarely rise to the level of
    reversible error, and considerable discretion is entrusted
    to the district court to supervise the arguments of coun-
    sel.” United States v. Wilson, 
    985 F.2d 348
    , 353 (7th Cir.
    1993) (quotation marks and citation omitted).
    1. Comments Regarding Witness Credibility
    We first consider the prosecutor’s remarks about the
    police officers’ testimony. The prosecutor stated that the
    jury should believe the police officer witnesses because
    “[t]hey’re not out to get Robert McMath. They’re out to
    get guns off the street and out of the hands of felons, and
    they saw what they saw.” In her rebuttal, the prosecutor
    also told the jury that the testimony of the officers was
    “clear and really credible” and further commented that
    the officers would lose their jobs if they lied. The first
    comment—that the officers’ goal was to get guns of the
    No. 08-2316                                                19
    street—did not likely have a negative effect on the jury.
    The jury heard evidence that McMath was arrested by
    the officers for being a felon in possession of a weapon,
    and thus likely intuited that combating such conduct was
    part of the officers’ job. See United States v. Amerson, 
    185 F.3d 676
    , 686 (7th Cir. 1999) (prosecutor’s statement that
    it was officers’ job to arrest dope peddlers was not im-
    proper vouching). The prosecutor’s comment regarding
    the officers being “really credible,” while technically
    improper vouching, also seems fairly innocuous in con-
    text. Credibility was a central issue in the case and while
    the prosecutor should not have commented directly on
    the officers’ credibility, we cannot conclude that
    McMath’s substantial rights were affected by the remark.
    However, it was improper for the prosecutor to say that
    the officers would lose their jobs if they lied, as the gov-
    ernment has conceded. See Johnson-Dix, 
    54 F.3d at 1304-05
     (improper for prosecutor to assert that law en-
    forcement agent would risk his job if he lied); United States
    v. Swiatek, 
    819 F.2d 721
    , 731 (7th Cir.) (improper for prose-
    cutor to argue that agent had no reason to lie and to risk
    his career and reputation), cert. denied, 
    484 U.S. 903
     (1987).
    Thus, we must consider whether the statement—in the
    context of the entire record—deprived McMath of a
    fair trial.
    We first note that McMath’s counsel had no oppor-
    tunity to counter the statement, as it was made in the
    government’s rebuttal argument. However, the rest of the
    relevant factors counsel against a finding that McMath’s
    substantial rights were violated by this comment. The
    20                                                No. 08-2316
    prosecutor did not misstate any evidence in her remark.
    Although the district court did not immediately instruct
    the jury to disregard the comment, it later instructed
    the jury that closing arguments were not evidence. Most
    importantly, the record reflects that the officers’ credibility
    was solidly established apart from the prosecutor’s im-
    proper remark. The defendant’s cross-examinations of
    the officers revealed no significant inconsistencies in
    their testimony or biases which may have motivated
    them to lie. Thus, although the remark was improper,
    we do not believe that it jeopardized the fairness or
    integrity of McMath’s trial. See Johnson, 
    520 U.S. at 466-67
    .
    The prosecutor also made remarks about McMath’s
    credibility. She stated that McMath’s story was “com-
    pletely bogus” based on “physics and centrifugal force” in
    the car and that she “knew” McMath did not want to
    admit his guilt to the jury. These comments did not
    constitute plain error. First, the prosecutor was in some
    sense correct that McMath’s testimony was belied by
    physics. McMath testified that when the Bonneville took
    a hard right turn he leaned to the right. But when a car
    turns right, passengers are thrown to the left. Second,
    while the prosecutor probably should not have said that
    she “knew” McMath did not want to admit his guilt,
    challenging McMath’s veracity and stating that his
    version was “bogus” does not meet the standard for
    plain error. We have held that a prosecutor is permitted
    to draw reasonable inferences from the evidence in dis-
    cussing witness credibility, and may go so far as to call
    the defendant a liar if the record supports that accusation.
    See United States v. Andreas, 
    216 F.3d 645
    , 671 (7th Cir.
    No. 08-2316                                               21
    2000). Here, there was reason to question McMath’s
    account. In any case, these statements did not affect the
    fairness of the trial and thus do not constitute plain error.
    2. Comments Regarding Physical Evidence
    McMath challenges the prosecutor’s statements made in
    rebuttal regarding the lack of DNA evidence. In McMath’s
    closing argument, his lawyer stated, regarding DNA
    evidence:
    You know, if that wasn’t really important, why the
    heck did [the police] [have the gun checked for prints
    and DNA]? I mean, no matter what spin is put on it,
    [McMath’s] fingerprints are not on that gun, his DNA
    are [sic] not on that gun.
    During her rebuttal, the prosecutor stated:
    Now, again, you know, this whole specter of finger-
    prints and DNA evidence and equating that with
    reasonable doubt; once again, I’m afraid that Holly-
    wood has done a service—disservice to law enforce-
    ment because Hollywood makes you believe that
    you’re always going to be expecting to find DNA and
    fingerprint evidence.
    The prosecutor also indicated that one reason the gov-
    ernment conducted DNA and fingerprint testing was to
    prevent defense counsel from pointing out the lack of
    such testing. Specifically, she stated:
    Well, I guess we’re damned if we do, and we’re
    damned if we don’t. Why did they even check for DNA
    22                                            No. 08-2316
    and fingerprint evidence if it doesn’t matter. That’s
    what he [defense counsel] says. And yet if we hadn’t
    checked for it he’d be stomping and pounding the
    podium and yelling about why didn’t they check for
    prints, why didn’t they check for DNA; so police do
    it as a matter of course. Sometimes you’re lucky;
    sometimes you’re not.
    McMath argues that these statements were not based on
    the evidence and violated a district court ruling which
    barred Officer Boyack from testifying to similar matters.
    We do not find these comments to be clear error. While
    the district court had earlier ruled that Officer Boyack
    could not testify about the frequency with which DNA
    or fingerprint evidence was obtained, it is worth noting
    that neither the defendant nor the court made any con-
    temporaneous objection to the prosecutor’s comments. This
    is not entirely surprising: it does not appear that the
    prosecutor was trying to introduce expert-type testi-
    mony about the frequency with which DNA or fingerprint
    evidence is obtained, as defendant contends. Rather, the
    prosecutor was stating—perhaps inartfully—that such
    results cannot always be expected and that the absence
    of such evidence should not be held against the govern-
    ment. As the government states, the comment “was not a
    reference to ‘facts’ outside the record, but instead was
    an argument about how the jury ought to weigh the
    absence of scientific evidence.” In any case, even if the
    comments shaded into impermissible commentary, the
    comments did not render the petitioner’s trial unfair.
    No. 08-2316                                                 23
    C. Sentencing
    McMath contends that the district court based its ob-
    struction of justice sentencing enhancement on a mis-
    taken belief regarding McMath’s testimony. We review
    de novo the adequacy of the district court’s obstruction of
    justice findings and any underlying factual findings
    for clear error. United States v. Carroll, 
    412 F.3d 787
    , 793
    (7th Cir. 2005).
    In reaching its decision on the enhancement, the
    district stated that “Mr. McMath’s statement regarding his
    activities in the car, his location in the car, his denial that
    he had a gun or saw a gun in my view were untrue,
    perjury, an attempt to obstruct the proceeding and a
    factual basis for this court to assess the two points under
    the sentencing guidelines.” The court also relied in part
    on a photograph of the Bonneville that showed that the
    window on the rear passenger side was open. The dis-
    trict court asserted that McMath had testified that the
    window was closed, and stated that “[t]hat alone is
    enough to justify the obstruction points. That alone.”
    In sentencing McMath, the district court told him:
    [Y]ou did not tell the truth when you took the stand
    in this case. And if your perjury were not as clear the
    court might be more inclined to cut you a break. That’s
    one reason why I even asked you if you wished to
    make a statement. That’s one reason why I gave you
    an opportunity to reflect on what you testified to
    during the trial. That is one reason why I offered up
    the photograph [of the car], so that you could observe
    that when you testified about the window in the
    24                                               No. 08-2316
    back seat of the car being up, the objective proof
    shows it was not. But you still did not accept responsi-
    bility.
    However, the trial transcript shows that McMath did not
    testify that the rear window on the passenger side was
    closed; rather he testified that the rear window on the
    driver’s side was closed.
    Q. And your window was halfway open, correct?
    A. No, my window was up.
    Q. Your window was up?
    A. Yeah, my arm—the window behind the driver
    was up. The window I was laying on—
    Q. But the other window was halfway open, correct?
    A. I mean, I really don’t even know; but I seen from
    the pictures that it was, so yes.
    It thus appears that the district court was mistaken when
    it found that McMath had testified falsely that the
    passenger-side window was closed.
    We must defer to the district court’s findings of fact
    unless they are clearly erroneous, and we arrive at a
    “definite and firm conviction that a mistake has been
    made.” United States v. Brierton, 
    165 F.3d 1133
    , 1137 (7th
    Cir. 1999). Although the district court based its perjury
    finding on several areas of McMath’s testimony other
    than testimony regarding the passenger-side window, the
    district court focused on the window issue quite a lot
    when pronouncing McMath’s sentence. The district
    court even stated that “if your perjury were not as clear
    No. 08-2316                                                  25
    the court might be more inclined to cut you a break. . . .
    That is one reason why I offered up the photograph [of
    the car], so that you could observe that when you testi-
    fied about the window in the back seat of the car being
    up, the objective proof shows it was not. “
    Where a district court selects a guidelines range by
    relying on a clearly erroneous factual finding, “we are
    obliged to remand for resentencing unless, reviewing the
    record as a whole, we can conclude that the error was
    harmless, i.e., that the error did not affect the district
    court’s selection of the sentence imposed.” United States v.
    Hollis, 
    230 F.3d 955
    , 958 (7th Cir. 2000) (citing Williams v.
    United States, 
    503 U.S. 193
    , 201-04 (1992)). Here, we cannot
    conclude that the error did not affect the district court’s
    sentence and thus we vacate and remand for possible
    resentencing.3 See, e.g., United States v. Berheide, 
    421 F.3d 538
    , 539 (7th Cir. 2005) (vacating and remanding sentence
    because district court relied on erroneous factual
    finding regarding loss amount).
    III. Conclusion
    For the reasons explained above, we R EMAND this case
    for further proceedings in light of this opinion. Upon
    remand, the district court should first determine whether
    3
    Of course, resentencing will only be necessary if the district
    court is able to make factual findings on the Batson issue and
    concludes that the Batson challenge should be denied, as
    explained above.
    26                                             No. 08-2316
    it can make factual findings on the Batson issue. If it is
    unable to do so or finds that McMath’s challenge was
    meritorious, it should vacate McMath’s conviction. If the
    district court is able to make factual findings and holds
    that the Batson challenge should be denied, the district
    court should proceed to resentencing in light of our
    conclusion that the district court’s obstruction of justice
    enhancement relied on a mistaken factual finding.
    3-19-09