United States v. Miller ( 2008 )


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  •                                                                                                                            Opinions of the United
    2008 Decisions                                                                                                             States Court of Appeals
    for the Third Circuit
    6-2-2008
    USA v. Miller
    Precedential or Non-Precedential: Precedential
    Docket No. 06-5187
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    Recommended Citation
    "USA v. Miller" (2008). 2008 Decisions. Paper 949.
    http://digitalcommons.law.villanova.edu/thirdcircuit_2008/949
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    PRECEDENTIAL
    UNITED STATES COURT OF APPEALS
    FOR THE THIRD CIRCUIT
    __________
    No. 06-5187
    __________
    UNITED STATES OF AMERICA
    v.
    DONALD R. MILLER JR.,
    Appellant
    __________
    On Appeal from the United States District Court
    for the Middle District of Pennsylvania
    (D.C. Criminal No. 04-CR-0027)
    District Judge: Honorable Malcolm Muir
    ______
    Argued February 1, 2008
    Before: RENDELL and CHAGARES, Circuit Judges,
    and POLLAK,* District Judge.
    (Filed: June 2, 2008)
    ____________
    * Honorable Louis H. Pollak, District Judge for the United
    States District Court of the Eastern District of
    Pennsylvania, sitting by designation.
    Ronald A. Krauss, Esquire [ARGUED]
    Office of Federal Public Defender
    100 Chestnut Street, Suite 306
    Harrisburg, Pennsylvania 17101-0000
    Counsel for Appellant
    Donald R. Miller Jr.
    Christian A. Fisanick, Esquire [ARGUED]
    Office of United States Attorney
    235 North Washington Avenue
    P. O. Box 309, Suite 311
    Scranton, Pennsylvania 18503-0000
    Theodore B. Smith, III, Esq.
    Office of United States Attorney
    228 Walnut Street, Suite 220
    P. O. Box 11754
    Harrisburg, Pennsylvania 17108-0000
    Counsel for Appellee
    United States of America
    ______
    OPINION OF THE COURT
    ______
    2
    POLLAK, District Judge:
    Pursuant to a jury trial in the District Court for the
    Middle District of Pennsylvania, Donald R. Miller was found
    guilty of (1) receiving child pornography, in violation of
    18 U.S.C. § 2252A(a)(2), (2) possessing the same images of
    child pornography, in violation of 18 U.S.C. § 2252A(a)(5)(B),
    and (3) marijuana possession, in violation of 
    21 U.S.C. § 844
    (a).
    Miller was sentenced to concurrent terms of 46 months’
    imprisonment on the two child pornography counts and a
    concurrent term of 12 months’ imprisonment on the marijuana
    count. In calculating the applicable sentencing range under the
    Sentencing Guidelines, the District Court found that Miller, in
    the course of his testimony at trial, had committed perjury, and
    accordingly applied a two-level sentencing enhancement for
    obstruction of justice, pursuant to U.S.S.G. § 3C1.1 (2003). On
    appeal, Miller argues (1) that there was not sufficient evidence
    to support his conviction for receiving child pornography,
    (2) the Constitution’s double jeopardy clause barred entry of
    separate convictions for receiving and possessing the same
    images of child pornography, and (3) the record does not
    support the District Court’s finding that Miller committed
    perjury.
    We conclude that Miller’s conviction for receiving child
    pornography was supported by substantial evidence. However,
    we further hold that (a) the double jeopardy clause barred
    convictions for both receiving and possessing the same images
    3
    of child pornography, and (b) the entry of guilty verdicts on both
    of these counts was plain error. We also hold that Miller’s
    testimony regarding his collection of adult pornography was
    neither willfully false nor material, as those terms are to be
    understood in the context of perjury, and thus did not support a
    sentencing enhancement. Accordingly, we will vacate the
    District Court’s judgment and remand this case for re-sentencing
    consistent with this opinion.
    I.
    In January 2004, the FBI searched Miller’s home while
    investigating the uploading of child pornography onto a website
    hosted by Prime Media, a company in Utah. In the basement of
    the house, the agents found a zip disk containing 1200-1400
    images,1 twenty of which, according to the government, depicted
    child pornography. (The District Court later found, for the
    purpose of calculating Miller’s sentence, that eleven of these
    twenty images constituted child pornography). The agents also
    found 55.5 grams of marijuana in a jewelry box in Miller’s
    wife’s bedroom.
    1
    A “zip disk” is a portable storage device that looks similar
    to a conventional 3.5-inch “floppy” disk, but has significantly
    greater storage capacity than a floppy disk. A zip disk may be
    used on a computer equipped with a “zip drive.”
    4
    In the month of the search, January 2004, a grand jury
    charged Miller with two counts of child pornography relating to
    the images uploaded onto the Prime Media website. In
    November 2004, a five-count superseding indictment charged
    Miller with: (count one) receiving child pornography, in
    violation of 18 U.S.C. § 2252A(a)(2), based on the images
    found on the zip disk; (count two) transporting and shipping
    child pornography, in violation of 18 U.S.C. § 2252A(a)(1);
    (count three) receiving and distributing child pornography, also
    in violation of 18 U.S.C. § 2252A(a)(2); (count four) possessing
    child pornography, in violation of 18 U.S.C. § 2252A(a)(5)(B),
    based on the images found on the zip disk; and (count five)
    marijuana possession, in violation of 
    21 U.S.C. § 844
    (a).
    At trial, the jury found Miller guilty both of receiving
    child pornography stored on the zip disk, count one, and of
    possessing the same images of child pornography, count four.
    The jury also found Miller guilty of marijuana possession, count
    five. However, the jury acquitted Miller of counts two and
    three. Miller timely filed a Rule 29(c) motion for judgment of
    acquittal, which the District Court denied.
    Miller’s presentence investigation report (“PSR”),
    prepared by the Probation Office, recommended that the District
    Court apply three two-level enhancements to Miller’s base
    offense level under the Guidelines. Miller objected to these
    enhancements, and the District Court held an evidentiary
    hearing to address his objections. The District Court determined
    5
    that one of the recommended enhancements was inapplicable,2
    but accepted the other two. The first of the two enhancements
    was for possession of ten or more images of child pornography,
    pursuant to U.S.S.G. § 2G2.2(b), based on the District Court’s
    finding, by a preponderance of the evidence, that Miller
    possessed eleven images of child pornography (including two
    images that were duplicates of one another).
    The second enhancement was for obstruction of justice,
    pursuant to U.S.S.G. § 3C1.1 (2003).3 The asserted obstruction
    took place when, at trial, Miller was asked, in the course of
    cross-examination regarding his collection of adult pornography:
    “Did you have sadomasochistic pictures.” Appendix (“A.”) 311.
    Miller replied: “Not that I’m aware of, no.” Id. Contending that
    Miller’s answer was a deliberate falsehood, the government, at
    the evidentiary hearing prior to the imposition of sentence,
    presented five images depicting adults that were found on the
    2
    The PSR recommended an enhancement for possessing
    pornographic material depicting children who are prepubescent
    or under twelve years of age. The District Court determined that
    the government had failed to prove by a preponderance of the
    evidence that there was a factual basis for this enhancement.
    3
    The District Court applied the 2003 version of the
    Guidelines, which was effective at the time of the offenses
    charged in counts one and four of the superseding indictment,
    rather than the 2006 version of the Guidelines, which was
    effective at the time of Miller’s sentencing.
    6
    zip disk containing child pornography. The District Court, on
    viewing the five images, concluded that they “could fairly be
    described as sadomasochistic pornography.”               A. 21.
    Accordingly, the District Court ruled that Miller’s answer at trial
    constituted perjury and, therefore, was an obstruction of justice.
    The District Court entered separate judgments of
    conviction for counts one (receiving child pornography), four
    (possessing child pornography), and five (marijuana possession).
    The District Court imposed concurrent sentences of 46 months
    for each of the child pornography counts and a concurrent
    sentence of 12 months for the marijuana possession count.4
    Miller timely appealed.
    II.
    We exercise plenary review over Miller’s sufficiency-of-
    the-evidence claim. “In exercising that review, we must
    interpret the evidence in the light most favorable to the
    4
    The “PROTECT Act of 2003” amended § 2252A to impose
    a prison sentence of “not less than 5 years” for violations of
    § 2252A(a)(2), which previously carried no statutory minimum.
    See H.R. Rep. No. 108-66, at 50-51 (2003) (Conf. Rep.), as
    reprinted in 2003 U.S.C.C.A.N. 683, 685. The Act became
    effective after the dates charged in count one of Miller’s
    superseding indictment, and it was therefore inapplicable to
    Miller’s offense.
    7
    government as the verdict winner,” United States v. Taftsiou,
    
    144 F.3d 287
    , 290 (3d Cir. 1998), and “do not weigh evidence
    or determine the credibility of witnesses in making [our]
    determination.” United States v. Gambone, 
    314 F.3d 164
    , 170
    (3d Cir. 2003) (internal quotation omitted).
    We review Miller’s double jeopardy claim for plain error
    since he did not raise the issue before the District Court. See
    United States v. Jackson, 
    443 F.3d 293
    , 301 (3d Cir. 2006).
    With respect to the District Court’s finding, for the
    purpose of applying the Guidelines, that Miller committed
    perjury, this court exercises plenary review over the District
    Court’s interpretation of the Guidelines. See United States v.
    Grier, 
    475 F.3d 556
    , 561 (3d Cir. 2007) (en banc) (“Under an
    advisory Guidelines scheme, district courts should continue to
    make factual findings by a preponderance of the evidence and
    courts of appeals should continue to review those findings for
    clear error.”).5 “When the application of the Guidelines presents
    5
    A number of years ago, this court held that a finding of
    perjury, for purposes of sentencing, must be supported by “clear
    and convincing” evidence. See United States v. Arnold, 
    106 F.3d 37
    , 43-44 (3d Cir. 1997). But that holding was based on
    language in the commentary to U.S.S.G. § 3C1.1 that has since
    been revised. Arnold’s holding has thus been abrogated and, as
    we recognized in United States v. Johnson in addressing a
    (continued...)
    8
    a mixed question of law and fact, ‘our standard and scope of
    review takes on greater scrutiny, approaching de novo as the
    issue moves from one of strictly fact to one of strictly law.’”
    United States v. Felton, 
    55 F.3d 861
    , 864 (3d Cir. 1995)
    (quoting United States v. Belletiere, 
    971 F.2d 961
    , 964 (3d Cir.
    1992) (internal quotation omitted)).
    III.
    Miller argues that there is not substantial evidence
    proving that he received child pornography. In addressing this
    claim, we must uphold a jury’s verdict “if there is substantial
    evidence from which a rational trier of fact could find guilt
    beyond a reasonable doubt.” United States v. Brown, 
    3 F.3d 673
    , 680 (3d Cir. 1993). Before evaluating the merits of this
    claim and reciting the evidence relating to Miller’s conviction,
    we must consider the government’s threshold contention that the
    claim has been waived.
    5
    (...continued)
    sentencing enhancement for perjury, “the facts underlying a
    sentencing enhancement need only be proven by a
    preponderance of the evidence.”       
    302 F.3d 139
    , 154
    (3d Cir. 2002).
    9
    A.
    Miller first raised his sufficiency-of-the-evidence claim
    before the District Court in a timely post-trial motion for
    acquittal pursuant to Fed. R. Crim. P. 29(c). The government
    contends that, though the motion was a proper vehicle for
    presenting the claim to the District Court, the motion failed to
    preserve the claim for appeal. To preserve a sufficiency-of-the-
    evidence claim for appeal, the government argues, a defendant
    must raise the issue at trial via a Rule 29(a) motion “[a]fter the
    government closes its evidence or after the close of all the
    evidence.” Fed. R. Crim. 29(a).
    The government’s argument finds no support in the
    language of Rule 29(c). The rule provides that “[a] defendant
    may move for a judgment of acquittal, or renew such a motion,
    within 7 days after a guilty verdict or after the court discharges
    the jury, whichever is later.” Fed. R. Crim. P. 29(c)(1). The
    rule goes on to clarify that “[a] defendant is not required to
    move for a judgment of acquittal before the court submits the
    case to the jury as a prerequisite for making such a motion after
    jury discharge.” Fed. R. Crim. P. 29(c)(3). These terms would
    seem to authorize a court of appeals to exercise plenary review
    over a claim raised in a Rule 29(c) motion without regard to
    whether the claim was earlier raised in a Rule 29(a) motion. It
    appears that each circuit court addressing this precise question
    has so held. See United States v. Holland, 
    381 F.3d 80
    , 86 n.7
    (2d Cir. 2004); United States v. Smith, 
    28 F.3d 619
    , 726 n.3
    10
    (7th Cir. 1994); United States v. Castro-Lara, 
    970 F.2d 976
    , 980
    (1st Cir. 1992),6 abrogated on other grounds by Bailey v.
    United States, 
    516 U.S. 137
     (1995); United States v. Allison, 
    616 F.2d 779
    , 783-84 (5th Cir. 1980).7
    6
    The Castro-Lara court stated its position as follows:
    We feel confident that Rule 29(c) means precisely
    what it says. Consequently, even absent any
    motion for judgment of acquittal at trial, a
    defendant who files a timeous post-trial motion
    for acquittal stands on the same footing as a
    defendant who moves for acquittal at the close of
    all the evidence; and the former is, therefore,
    entitled to the benefit of the same standard of
    appellate review as the latter.
    
    970 F.2d at
    980
    7
    The government cites cases from two other circuits that, it
    contends, support its position. See United States v. Chance, 
    306 F.3d 356
    , 368-69 (6th Cir. 2002); United States v. Ward, 
    914 F.2d 1340
    , 1346 (9th Cir. 1990). The government is correct that
    these courts stated, respectively, that a sufficiency-of-the-
    evidence claim is waived “if the defendant failed to make a Rule
    29 motion for judgment of acquittal at the end of the
    prosecution's case-in-chief and at the close of the evidence,”
    Chance, 
    306 F.3d at 368
    , and that “[i]n order to preserve this
    issue on appeal, the defendant must move for a judgment of
    (continued...)
    11
    This court, without confronting the question directly,
    appears to have treated a Rule 29(c) motion as preserving a
    sufficiency-of-the evidence claim irrespective of whether the
    claim was earlier raised at trial. In United States v. Thayer,
    
    201 F.3d 214
    , 218-19 (3d Cir. 1999), without specifying
    whether the defendant had filed a Rule 29(a) motion, we stated
    that the defendant had raised a sufficiency-of-the-evidence claim
    in a Rule 29(c) motion. On appeal, the defendant reasserted the
    7
    (...continued)
    acquittal during the trial pursuant to Fed. R. Crim. P. 29(a).”
    Ward, 
    914 F.2d at 1346
    . However, neither of these courts
    clarified whether the defendant had filed a Rule 29(c) motion.
    The Sixth Circuit, in cases decided before Chance, had
    exercised plenary review over sufficiency-of-the-evidence
    claims preserved by a Rule 29(c) motion without stating whether
    the defendant had filed a Rule 29(a) motion. See United States
    v. Al-Zubaidy, 
    283 F.3d 804
    , 808 (6th Cir. 2002); United States
    v. Wuliger, 
    981 F.2d 1497
    , 1509 (6th Cir. 1992). The Sixth
    Circuit’s practice following Chance appears to be unclear. See,
    e.g., United States v. Davis, 
    473 F.3d 680
     (6th Cir. 2007)
    (addressing commerce clause argument raised in Rule 29(c)
    motion without specifying the standard of review, but stating
    that it exercised plain error review over separate commerce
    clause argument that was not raised in Rule 29(c) motion). The
    Ninth Circuit, in a case following Ward, exercised plenary
    review over an argument raised in a Rule 29(c) motion without
    stating whether it had earlier been raised in a Rule 29(a) motion.
    See United States v. Garcia, 
    497 F.3d 964
    , 967 (9th Cir. 2007).
    12
    sufficiency-of-the-evidence claim, and also put forth other
    claims that he did not raise before the district court. In
    articulating the applicable standard of the review, we stated that:
    Where the issues raised on appeal are preserved at
    trial, or through a timely motion for acquittal
    under Fed. R. Crim. P. 29(c), we will overturn a
    jury verdict only when the record contains no
    evidence, regardless of how it is weighted, from
    which the jury could find guilt beyond a
    reasonable doubt . . . . But issues on appeal which
    were not raised before the District Court, we will
    review for plain error.
    
    201 F.3d at 218-19
     (internal quotation omitted). We then
    proceeded to exercise plenary review over the defendant’s
    sufficiency-of-the-evidence claim. See 
    id. at 221
    .
    The government argues that we are compelled to depart
    from Thayer’s statement that we exercise plenary review over
    claims “preserved at trial, or through a timely motion for
    acquittal under Fed. R. Crim. P. 29(c).” Its argument is
    grounded in our statement, in a case more recent than Thayer,
    that a sufficiency-of-the-evidence claim is waived where it is not
    preserved “by making a timely motion for judgment of acquittal
    at the close of the evidence.” United States v. Mornan, 
    413 F.3d 372
    , 381 (3d Cir. 2005) (citing United States v. Wolfe, 
    245 F.3d 257
    , 260-61 (3d Cir. 2001), and United States v. Gaydos,
    13
    
    108 F.3d 505
    , 509 (3d Cir.1997)). But we did not clarify in
    Mornan, or in Wolfe, whether the defendants in those cases had
    filed post-trial Rule 29(c) motions, or simply had failed to raise
    their claims before the district court. In Gaydos, however, we
    expressly held that the appellant failed to preserve her claim
    because her Rule 29(c) motion before the district court was
    untimely. We do not think, therefore, that our statement in
    Mornan, which was not in terms geared to the question whether
    a Rule 29(c) motion is sufficient to preserve a claim for review,
    requires us to reject our Thayer language and, in doing so, to
    adopt a strained interpretation of Rule 29 that has not
    commended itself to sister circuits. Accordingly, we now clarify
    that a timely motion for acquittal under Rule 29(c) will preserve
    a sufficiency-of-the-evidence claim for review, irrespective of
    whether the defendant raised the claim at trial.
    B.
    We turn, then, to whether Miller has raised a colorable
    sufficiency-of-the-evidence claim. Miller does not challenge the
    jury’s determination that he committed the offense of possessing
    child pornography in violation of § 2252A(a)(5)(B). But, while
    conceding that there may be substantial evidence proving his
    guilt of possession, Miller contends that this evidence is not
    sufficient to prove his guilt of receipt under § 2252A(a)(2). To
    conclude otherwise, Miller argues, is to “extinguish the
    distinction between the offense of knowing receipt and the
    offense of knowing possession.” Appellant’s Brief at 28.
    14
    The proposition underlying this argument — namely, the
    proposition that a conviction for receiving child pornography
    must be supported by a greater quantum of evidence than that
    minimally required to prove guilt of possessing child
    pornography — is correct. We appreciate that, in reviewing a
    sufficiency-of-the-evidence claim, we must “examine the totality
    of the evidence, both direct and circumstantial,” Gambone,
    314 F.3d at 170, and doubtless there will be considerable
    overlap, in most instances, between the evidence relevant to the
    offenses of possession and receipt. However, receipt and
    possession of child pornography are punished by separate
    provisions of § 2252A, and we cannot conflate the provisions
    without running afoul of “the doctrine that legislative
    enactments should not be construed to render their provisions
    mere surplusage.” Dunn v. Commodity Futures Trading
    Commission, 
    519 U.S. 465
    , 472 (1997).
    The government’s distinct evidentiary burden with
    respect to § 2252A(a)(2), vis-à-vis § 2252A(a)(5)(B), traces to
    the intent-elements of the offenses. Sections 2252A(a)(2) and
    2252A(a)(5)(B) punish only those who “knowingly” receive, or
    “knowingly” possess, child pornography. In evaluating whether
    there is sufficient evidence to support a conviction under one of
    these provisions, we must review “‘whether the Government has
    adduced sufficient evidence respecting each element of the
    offense charged to permit jury consideration.’” United States v.
    Goldblatt, 
    813 F.2d 619
    , 621 (3d Cir. 1987) (emphasis added)
    (quoting United States v. Giampa, 
    758 F.2d 928
    , 934
    15
    (3d Cir.1985)). A person’s possession of a tangible object, such
    as a firearm, may constitute strong circumstantial evidence that
    defendant knowingly received the object. See, e.g., United
    States v. Ladd, 
    877 F.2d 1083
    , 1088 (1st Cir. 1989) (noting that,
    in firearm cases, “[c]onstructive receipt can be shown
    circumstantially by proof of possession, either actual or
    constructive”). However, as portions of the expert testimony in
    this case illustrate, a person may come to knowingly possess a
    computer file without ever knowingly receiving it. This could
    happen, according to the parties’ experts,8 if the person’s
    computer is infected with a virus or “spyware” software that
    8
    Both the government’s expert, Agent Donald J. Price, an
    FBI forensic analyst, and the defendant’s expert, John R. Smith,
    owner of a business that configures and supports computer
    networks, acknowledged the possibility that child pornography
    could be unknowingly downloaded onto a hard drive as the
    result of a virus, or “spyware.” They disagreed, however, as to
    whether it was likely that this possibility occurred in Miller’s
    case. Agent Price testified that he was unaware of there ever
    being, in the prosecutor’s words, “any reports of a child porn
    dropping virus.” A. 286. Smith demonstrated how an image
    could be inadvertently downloaded onto a computer. Though
    Agent Price testified that he had not heard of a “virus program
    capable” of accounting for Miller’s possession of the images, he
    went on to explain that such a virus would have to “take the zip
    diskette out of the case, put it into the computer . . . , take the zip
    out, put it back in the case and delete the original images off the
    computer.” A. 285-86, 382.
    16
    surreptitiously installs advertising images.9 Thus, when a
    defendant is charged with downloading a computer file, the
    court must rigorously scrutinize whether there is sufficient
    evidence to establish the intent-element of the crime. See, e.g.,
    United States v. Kuchinski, 
    469 F.3d 853
    , 861-63 (9th Cir. 2006)
    (reversing sentence based on knowingly receiving child
    pornography that was stored in cache files of defendant’s
    computer, where defendant lacked knowledge of or access to the
    files); cf. United States v. Romm, 
    455 F.3d 990
    , 997-1001
    (9th Cir. 2006) (upholding conviction for knowingly receiving
    pornography stored in cache files that defendant knew he could
    access).
    The evidence required to establish the intent-element of
    § 2252A(a)(2) may be greater than that required to establish the
    intent-element of § 2252A(a)(5)(B) because, while a person who
    “knowingly receives” child pornography will necessarily
    “knowingly possess” child pornography, the obverse is not the
    case. Cf. United States v. Myers, 
    355 F.3d 1040
    , 1042
    (7th Cir. 2004) (upholding sentencing calculation for defendant
    9
    See also John Schwartz, Acquitted Man Says Virus Put
    Pornography on Computer, N.Y. Times, August 11, 2003
    (quoting, Mark Rasch, former head of U.S. Department of
    Justice’s computer crimes unit, as stating, with respect to
    defense in British case that virus downloaded child
    pornography, “[t]he scary thing is that the defense might be
    right”).
    17
    who received videos and computer-generated image files
    depicting minors engaged in sexually explicit conduct, in
    violation of § 2252).10 In Myers, the court observed that
    “a person who seeks out only adult pornography, but without his
    knowledge is sent a mix of adult and child pornography,” could
    not be found guilty of knowingly receiving child pornography.
    Id. “That same person, however, could be in violation of the
    possession provision of § 2252(a)(4)(B) if he or she decides to
    retain that material, thereby knowingly possessing it.” Id. It
    follows that the quantum of evidence required to prove knowing
    receipt of a downloaded file may, in some situations, be greater
    than that minimally required to prove knowing possession of the
    file.
    10
    The jurisprudence concerning the receipt and possession
    provisions of 
    18 U.S.C. § 2252
     and the comparable provisions
    of 18 U.S.C. § 2252A often converges. Section 2252(a)(2)
    prohibits the receipt of material “transported [in interstate or
    foreign commerce] by any means including by computer” that
    depicts “a minor engaging in sexually explicit conduct,” and
    § 2252(a)(4)(B) prohibits the possession of such material.
    These statutory provisions have been characterized as
    “materially identical” to § 2252A(a)(2) and § 2252A(5)(B),
    which, respectively, prohibit the receipt and possession of child
    pornography. United States v. Malik, 
    385 F.3d 758
    , 760
    (7th Cir. 2004) (relying on Myers in holding that possession and
    receipt of child pornography in violation of § 2252A are distinct
    offenses).
    18
    C.
    Because Miller raised a colorable sufficiency-of-the-
    evidence claim with respect to count one, receiving child
    pornography, we must recite the evidence adduced at trial
    pertaining to this count. The evidence was as follows:
    In September 2003, someone created and uploaded child
    pornography onto a website that was hosted by Prime Media, the
    company in Utah. Prime Media identified the unique internet
    protocol (“IP”) address of the computer that was used to upload
    the images. The company turned the information over to the
    FBI, which concluded that the IP address was that of a computer
    in Donald Miller’s home.
    The FBI searched Miller’s house in January 2004. The
    agents seized one computer from the basement and one from the
    living room. These computers were not state-of-the-art, and had
    small hard drives relative to other computers on the market.
    Though the computers had dial-up network capability, which
    enables users to access the internet through an ordinary
    telephone connection, they did not have the capacity to connect
    at the faster speeds of broadband. The computer in the
    basement, which was the focus of the government’s case, was
    equipped with an external zip drive, and the agents seized
    twenty-two zip disks that were also stored in the basement. The
    agents also seized 55.5 grams of marijuana from the bedroom of
    Miller’s wife.
    19
    One of the zip disks contained 1200-1400 images,
    according to the government’s expert witness (the defendant’s
    expert counted 1373 image files). The majority of the images
    depicted adult pornography, but, the government contended,
    twenty of the images depicted child pornography. The twenty
    images characterized by the government as child pornography
    were not among the ones that had been uploaded onto the
    website hosted by Prime Media.
    At trial, there was testimony that, during the search of
    Miller’s home, the FBI’s supervising investigator, Agent James
    A. Kyle, questioned Miller. Agent Kyle and Miller, both of
    whom testified at trial, gave differing accounts of the interview.
    They agreed that the tenor of the discussion was cooperative,
    and that Miller volunteered the location of the marijuana. They
    also agreed that Miller (a) claimed he was unaware of why the
    FBI would investigate him, and (b) denied having any interest
    in or experience with viewing child pornography. According to
    Agent Kyle, during the interview, Miller denied having
    pornography of any kind. Miller testified, however, that he
    acknowledged possessing adult pornography, but not child
    pornography.
    The day after the search, Miller contacted Agent Kyle
    with further information. Miller told Agent Kyle that his
    computer had been infected with a virus the previous year,
    which might account for the uploaded images having been
    traced to his computer. Miller also informed Agent Kyle that he
    20
    stored adult pornography on one of the twenty-two zip disks that
    were seized, and gave Agent Kyle the password to access that
    zip disk. At trial, the government presented evidence pertaining
    to the twenty images on the zip disk that, the government
    contended, depicted child pornography. The government’s
    evidence included testimony by Agent Kyle and two FBI
    forensic experts, Agents James P. McDonald and Donald J.
    Price. According to this testimony, four of the twenty images
    were embedded with the addresses of websites, which were
    visible when viewing the images and which may have connoted
    an association with child pornography. On cross-examination,
    Agent Kyle testified that these address listings likely advertised
    websites other than those from which the images were obtained,
    and Miller’s expert witness, John R. Smith, stressed this point.
    Some of the image files bore sexually suggestive file names, but
    none of these file names suggested that they contained child
    pornography.
    Agents McDonald and Price also testified as to when the
    images were copied onto the zip disk, and whether they had
    been viewed once copied onto the zip disk. The agents testified
    that, for each image file, there is a record of a “date created,” a
    “date written,” and a “date accessed.” The “date created”
    records the date and time a file was copied onto the storage
    medium, and thus would indicate when the file was copied onto
    the zip disk. The “date written” records the date and time a file
    was last opened and altered in some way; this date will change,
    for example, if an image is cropped or resized by a user. The
    21
    “date accessed” records when a file was accessed, either by a
    viewer or by some sort of program such as a scheduled virus
    check. According to Agent Price’s testimony on cross-
    examination, “[y]ou can’t tell,” from a file’s “date accessed,”
    whether a file was opened automatically or by a user. A. 293.
    Agent Price testified that seventeen of the twenty images
    presented by the government had a “date written” that was the
    same as its “date created.” 11 Three of the images bore a “date
    created” of October 13, 2002, and a subsequent “date written”
    of May 31, 2003. Each of the images had a “date accessed” of
    December 26, 2003. When asked whether he checked the “dates
    accessed” for the other 1200-1400 image files on the disk, Price
    replied: “No. I mean, I have that recorded, but I didn’t
    necessarily note it.” A. 292.
    Miller testified at trial that he had not previously seen any
    of these images and “did not knowingly and willingly put” the
    images in question on the zip disk. A. 323. Miller admitted that
    he stored images, including adult pornography, on zip disks, and
    that he looked at adult pornography on the internet. However,
    he testified that he had never seen the twenty images in question,
    and that he only looked at images of adults that he understood
    11
    These file dates were October 13, 2002 (ten images);
    October 29, 2002 (one image); December 17, 2002 (five
    images); and December 20, 2002 (one image).
    22
    to be legal, which he obtained from websites containing legal
    disclaimers. Miller also testified that, at the time of the alleged
    child pornography offenses, he was the victim of a billing fraud
    wherein he was charged by a foreign company for a subscription
    to a pornography website of which he had never heard. In
    support of this claim, Miller submitted a credit card statement
    for October 15-November 14, 2002, which indicated that the
    credit card company corrected a charge from a company in Tel
    Aviv called “websitebilling.com.” Miller speculated that,
    because of this fraud, someone may have gotten access to his
    “log ons” and credit card numbers. A. 321.
    Miller’s expert witness, John R. Smith, testified in
    support of Miller’s claim that he was unaware of the images on
    the zip disk. According to Smith’s testimony, the thirteen
    images presented by the government that were copied onto the
    zip disk on October 13, 2002, were among 586 image files
    copied to the disk over a seven-hour period, at periodic intervals
    suggesting that the images were copied automatically, perhaps
    as the result of a virus. Smith then presented a demonstration of
    how four image files may be inadvertently downloaded into a
    subdirectory of a computer’s hard drive by a user who believes
    that he is downloading only a single image. If the user then
    saves the web page onto a zip disk or hard drive, according to
    Smith, the user will save all four of the images.
    Prior to Smith’s testimony, Agent Price testified that he
    was unaware of any virus that downloads child pornography. In
    his rebuttal to Smith’s testimony, Agent Price testified that there
    were no web pages recovered from the zip disk, so the images
    23
    found on the zip disk had been “extracted;” that is, they were
    not, as Agent Price characterized it, “embedded files.” A. 423.
    Agent Price also testified that it was “highly unlikely,” albeit
    possible, that someone would hack into another person’s dial-up
    internet connection and transmit data that would be attributed to
    the IP address of that person’s computer. A. 279.
    D.
    Having recited the evidence, we now assess whether it is
    sufficient to prove each element of the charged offense.
    1.
    We first conclude that there is substantial, circumstantial
    evidence supporting the inference that Miller downloaded child
    pornography, thus satisfying the act-element of receiving child
    pornography in violation of § 2252A(a)(2), the count one
    charge. The jury found Miller guilty of possessing a zip disk
    containing child pornography, which was among the twenty-two
    zip disks stored in the basement with Miller’s computer. Miller
    volunteered the password to this zip disk to Agent Kyle,
    informing him that there was adult pornography on the disk. At
    trial, Miller testified that he stored digital images on his zip disk,
    and that he looked at adult pornography on internet websites.
    Some of the images of child pornography on the disk advertised
    the names of websites, suggesting that they were initially
    downloaded from the internet. Cf. United States v. Henriques,
    
    234 F.3d 263
    , 267 (5th Cir. 2000) (concluding that website
    address embedded on image establishes link to internet for
    24
    jurisdictional purposes). This evidence supports the inference
    that Miller received the child pornography on the zip disk by
    downloading it from the internet. However, because we must
    review the evidence “respecting each element of the offense
    charged,” Goldblatt, 
    813 F.2d at 621
    , our inquiry is not
    concluded.
    2.
    More difficult is the question whether Miller received the
    images knowingly. Other courts, confronting this question, have
    deemed at least four factors relevant to this inquiry: (1) whether
    images were found on the defendant’s computer, see United
    States v. Irving, 
    452 F.3d 110
    , 122 (2d Cir. 2006); (2) the
    number of images of child pornography that were found, see 
    id.
    (finding defendant’s possession of 76 images relevant);
    (3) whether the content of the images “was evident from their
    file names,” United States v. Payne, 
    341 F.3d 393
    , 403 (5th Cir.
    2003) (finding “number of images in [defendant’s] possession,
    taken together with the suggestive titles of the photographs”
    established knowing receipt); and (4) defendant’s knowledge of
    and ability to access the storage area for the images, see Romm,
    
    455 F.3d at 997-1001
     (addressing defendant’s ability to access
    cache files in hidden subdirectory); cf. Kuchinski, 
    469 F.3d at 861-63
     (same). We summarize the evidence bearing on these
    four factors:
    (1) The government adduced no direct, forensic evidence
    that the images were downloaded onto Miller’s computer.
    Agent Kyle testified that it was his “educated guess” that Miller
    25
    downloaded the images onto the zip disk via the internet,
    perhaps by trading them in a chat room or by searching for them
    on a website. A. 195. However, Agent Kyle went on to testify,
    the government had no proof from Miller’s hard drive that
    supported this hypothesis. Agent Price, on cross-examination,
    acknowledged that, despite the FBI’s use of forensic software
    designed to recover deleted material from hard drives, the FBI
    had discovered no evidence that Miller’s computer had been
    used to upload or download child pornography.12 Agent Price
    12
    Agent Price testified, however, that the images may have
    been downloaded directly onto the zip disk from the internet
    without first being stored on the computer’s hard drive, or may
    simply have been downloaded off of the hard drive of some
    other computer. Moreover, Agent Price testified, even if the
    files had, at one point, been downloaded onto the hard drive of
    Miller’s computer, they would not have been found by the FBI’s
    forensic software if the computer’s operating system, Microsoft
    Windows, had “overwritten” the files, after they were deleted,
    with newer files. A. 301. According to Agent Price, Microsoft
    Windows overwrites deleted files on a continual basis to avoid
    “fragmenting” the hard drive with gaps of free space that are
    clustered between other files, and thus unusable for storage.
    Smith, the defendant’s expert, spoke to this testimony.
    Smith testified that two-thirds of the hard drive on Miller’s
    basement computer was unused, and consequently that the
    computer’s operating system (Microsoft Windows) was unlikely
    to have overwritten any files. Agent Price does not appear to
    have addressed this evaluation in his rebuttal to Smith’s
    testimony.
    26
    further testified that there was no evidence that Miller ever used
    search engines to locate child pornography websites, or that such
    websites had ever been visited from Miller’s computer (the
    FBI’s investigation did reveal, however, that two websites
    containing adult pornography had been visited from the
    computer). Agent Price also acknowledged that there was no
    evidence that Miller ever participated in email exchanges or
    online chat rooms that pertained to child pornography. Finally,
    Price acknowledged that there was no evidence that Miller used
    a “wiping” or “eliminator” program to clear his hard drive of
    evidence that files had been downloaded. A. 296-97.
    (2) The second factor, the number of images of child
    pornography found, likewise does not weigh in the
    government’s favor in light of the overwhelming number of
    adult images that were found. The government presented
    evidence pertaining to only twenty of the 1200-1400 images
    found on the zip disk, and the District Court subsequently
    determined, in the process of sentencing Miller, that only eleven
    of these images constituted child pornography.             Miller
    contended that he was unaware of the existence of these images
    and, significantly, Miller volunteered the password of the zip
    disk to Agent Kyle, cautioning him that the disk contained
    pornography. Miller also presented evidence that 586 of the
    images were copied onto the disk at periodic intervals over a
    seven-hour period, suggesting that they were not individually
    viewed when they were being copied. Agent Price’s rebuttal to
    this suggestion was that Miller may have first downloaded the
    images onto his hard drive, or that of another computer, before
    copying them onto the disk. This possibility puts sharp light,
    27
    however, on the facts that no forensic evidence of child
    pornography was found on Miller’s hard drive, and that there
    was no evidence adduced that another computer may have been
    used to download the images.
    (3) Nor does the third factor, whether the content of the
    images “was evident from their file names,” weigh in the
    government’s favor. Several of the images were embedded with
    the names of websites that possibly advertised child
    pornography, but — according to Agent Kyle’s and Smith’s
    testimony — this does not suggest that the images were obtained
    from those websites. Moreover, these website names would not
    be seen unless a person opened and viewed the files. While
    there is strong evidence that Miller eventually came to view
    some of the images of child pornography that were on the disk,13
    and thus to knowingly possess the images, this evidence does
    not lend much support to the inference that Miller knowingly
    downloaded the images.
    (4) Turning to the fourth factor, whether the defendant
    had knowledge of and an ability to access the storage space for
    the images, it is clear that Miller had access to the images on the
    zip disk. Indeed, Miller admitted to storing image files,
    including adult pornography, on the disk. In this respect, the
    facts of this case are more akin to the facts of Romm, 
    455 F.3d 13
    Specifically, the “dates written” of three of the images on
    the zip disk, all of which the District Court found to be child
    pornography, are subsequent to the date they were copied onto
    the disk (i.e. the images’ “dates created”).
    28
    at 997-1001, where the court found that the defendant’s
    knowledge that he could access cache files supported the
    inference that he knowingly possessed the files, than to the facts
    of Kuchinski, 
    469 F.3d 853
    , 861-63, where the court rejected
    this inference because the defendant was unaware of, “and
    concomitantly lack[ed] access to and control over the existence
    of the files.” In contrast to the facts before us, however, the
    defendant in Romm had stored images of child pornography on
    the hard drive of his computer, albeit in a subdirectory that was
    difficult for a typical computer user to access. The Romm court
    acknowledged that “[n]o doubt, images could be saved to the
    cache when a defendant accidentally views the images, as
    through the occurrence of a ‘pop-up,’ for instance.” 
    455 F.3d at 1000
    . However, the court concluded that this “[wa]s not the
    case” in Romm’s circumstance: “By his own admission . . . ,
    Romm repeatedly sought out child pornography over the
    internet. When he found images he “liked,” he would “view
    them, save them to his computer, look at them for about five
    minutes [ ] and then delete them.” 
    Id.
     By contrast, Miller has
    consistently denied that he knowingly viewed or had any interest
    in viewing child pornography.
    Beyond the facts relevant to these four factors, however,
    the evidence presents a fifth factor that may support the jury’s
    determination: the number of occasions that the images were
    copied onto the zip disk. Smith testified that the images copied
    onto the zip disk on October 13, 2002, were likely transferred
    automatically. However, images of child pornography were also
    copied onto the disk on subsequent dates. Specifically,
    according to their dates created, the eleven images that the
    29
    District Court determined to actually be child pornography were
    copied to the zip disk on October 13, October 29, December 17,
    and December 20, 2002. A reasonable juror might have
    concluded, from this evidence, that Miller copied the images on
    more than one occasion.
    In light of this evidence, and considering all of the
    evidence in its totality, we cannot say that “no reasonable juror
    could accept the evidence as sufficient to support the conclusion
    of [Miller’s] guilt beyond a reasonable doubt.” United States v.
    Lacy, 
    446 F.3d 448
    , 451 (3d Cir. 2006) (quoting United States
    v. Coleman, 
    811 F.2d 804
    , 807 (3d Cir. 1987) (internal quotation
    omitted)). While there certainly is evidence supporting the
    conclusion that Miller did not receive the images knowingly, a
    reasonable juror could look to contrary evidence and conclude
    otherwise. Therefore, mindful that we may not “weigh evidence
    or determine the credibility of witnesses in making [our]
    determination,” Gambone, 314 F.3d at 170, we will uphold the
    jury’s verdict that Miller knowingly received child pornography.
    E.
    Miller makes two additional, time-related arguments in
    support of his sufficiency-of-the-evidence claim. Miller argues
    that there was not substantial evidence proving that he received
    child pornography within the five-year statute-of-limitations for
    § 2252A(a)(2). Nor, Miller argues, is there substantial evidence
    proving that he received child pornography “on or about” the
    period between October 13, 2002 and December 20, 2002, as
    charged in the superseding indictment.
    30
    Miller waived his statute-of-limitations argument by
    failing to raise it at trial. See United States v. Oliva, 
    46 F.3d 320
    , 324-25 (3d Cir. 1995). Since we cannot consider whether
    his conviction was time-barred on this ground, we are able to
    reverse the verdict on time-related grounds only if there is a
    “material variance” between the evidence adduced at trial and
    the dates charged in the superseding indictment. United States
    v. Schurr, 
    775 F.2d 549
    , 553 (3d Cir. 1985). This would require
    that we find both that “(1) there was at trial a variance between
    the indictment and the proof and (2) the variance prejudices a
    substantial right of the defendant.” Id.; see also United States
    v. Akande, 
    200 F.3d 136
    , 141 (3d Cir. 1999). This rule, as Judge
    Becker observed in Schurr, “protects the defendant’s right to an
    indictment sufficiently inform[ing] [him] of the charges against
    him so that he may prepare his defense and not be misled or
    surprised at trial.” 14 
    775 F.2d at 553
     (internal quotation
    omitted). Thus, in evaluating whether such prejudice occurred,
    we consider whether the defendant was disadvantaged by lack
    of notice as to the nature of the government’s trial evidence.
    14
    Judge Becker also recognized two other core functions of
    the rule against variance: (1) it “protects the right of each
    defendant not to be tried en masse for the conglomeration of
    distinct and separate offenses committed by others” and
    (2) “helps to minimize the danger that the defendant may be
    prosecuted a second time for the same offense.” Schurr, 
    775 F.2d at 553
     (internal quotations omitted). While a double
    jeopardy concern is raised by Miller’s conviction on separate
    counts of knowing and possessing child pornography, that issue
    is unrelated to Miller’s variance claim.
    31
    See 
    id. at 559
     (evaluating defendant’s opportunity to prepare
    defense); see also United States v. Somers, 
    496 F.2d 723
    ,
    743-46 (3d Cir. 1974) (considering whether variance created
    risk that defendant was “so surprised by the proof adduced that
    he was unable to prepare his defense adequately”).
    The government did not present direct evidence that the
    images on the disk were downloaded, and thus were received,
    “on or about October 13, 2002, through December 20, 2002,”
    the period alleged in the superseding indictment. Furthermore,
    the government’s expert, Agent Price, suggested that the images
    may have been downloaded sometime before they were copied
    onto the zip disk in October and December 2002. However,
    Miller does not identify, and we do not find, any prejudice to his
    substantial rights that can be traced to a variance between the
    date charged in the superseding indictment and the evidence
    adduced at trial. Miller was aware that the images on the zip
    disk formed the basis of the government’s case against him with
    respect to count one. He presented expert testimony attacking
    the government’s forensic evidence pertaining to these images,
    and addressed the images in his own testimony. We therefore
    cannot reverse Miller’s conviction on count one based on a
    variance that may exist between the government’s proof at trial
    and the dates charged in count one of the superseding
    indictment.
    F.
    Accordingly, we reject Miller’s sufficiency-of-the-
    evidence claim.
    32
    IV.
    Miller next contends that the District Court’s entry of
    separate convictions for count one, receiving child pornography
    in violation of 18 U.S.C. § 2252A(a)(2), and count four,
    possessing the same images of child pornography in violation of
    18 U.S.C. § 2252A(a)(5)(B), violated the double jeopardy
    clause. Because Miller failed to raise this claim before the
    District Court, we review the entry of separate convictions for
    plain error; that is, we must determine whether the entry of
    separate convictions constitutes an “‘(1) error, (2) that is plain,
    and (3) that affect[s] substantial rights. If all three conditions
    are met, an appellate court may then exercise its discretion to
    notice a forfeited error, but only if (4) the error seriously
    affect[s] the fairness, integrity, or public reputation of judicial
    proceedings.’” United States v. Vazquez, 
    271 F.3d 93
    , 99
    (3d Cir. 2001) (quoting Johnson v. United States, 
    520 U.S. 461
    (1997)). We address each of the factors of plain error review in
    turn.
    A.
    We first consider whether the District Court’s entry of
    separate convictions for counts one and four of Miller’s
    superseding indictment constituted an error. The double
    jeopardy clause bars courts from “‘prescrib[ing] greater
    punishment than the legislature intended” to impose for a single
    offense. Rutledge v. United States, 
    517 U.S. 292
    , 297 (1996)
    (quoting Missouri v. Hunter, 
    459 U.S. 359
    , 366 (1983)). There
    is a rebuttable presumption that “where two statutory provisions
    33
    proscribe the same offense, a legislature does not intend to
    impose two punishments for that offense.” 
    Id.
     (internal
    quotations omitted). Thus, if (a) two statutory provisions
    “proscribe the same offense” and (b) it is not clear that the
    legislature intended multiple punishments for the offense, then
    the double jeopardy clause protects a defendant from being
    convicted under both of the provisions.
    1.
    Miller argues that possessing child pornography is a
    lesser-included offense of receiving child pornography, and thus
    that § 2252A(a)(2) (prohibiting receipt) and § 2252A(a)(5)(B)
    (prohibiting possession) “proscribe the same offense.” For the
    purpose of double jeopardy analysis, two offenses are the same
    if one is a lesser-included offense of the other under the “same-
    elements” (or Blockburger) test. This test “inquires whether
    each offense contains an element not contained in the other; if
    not, they are the ‘same offence’ . . . .” United States v. Dixon,
    
    509 U.S. 688
    , 696 (opinion of the court) (internal quotation
    omitted); see also Blockburger v. United States, 
    284 U.S. 299
    ,
    304 (1932) (“[W]here the same act or transaction constitutes a
    violation of two distinct statutory provisions, the test to be
    applied to determine whether there are two offenses or only one,
    is whether each provision requires proof of a fact which the
    other does not.”).
    This court has not considered whether § 2252A(a)(5)(B)
    punishes a lesser-included offense of that punished by
    § 2252A(a)(2). However, it is clear that, as a general matter,
    34
    possession of a contraband item is a lesser-included offense of
    receipt of the item. See Ball v. United States, 
    470 U.S. 856
    (1985). In Ball, a felon convicted of possessing a firearm in
    violation of 
    18 U.S.C. § 922
    (h) (since revised) was also
    convicted of receiving that firearm in violation of
    18 U.S.C. App. § 1202(a) (since repealed). Applying the same-
    elements test, the Supreme Court concluded, in Ball, that
    “[w]hen received, a firearm is necessarily possessed. In other
    words, Congress seems clearly to have recognized that a felon
    who receives a firearm must also possess it, and thus had no
    intention of subjecting that person to two convictions for the
    same criminal act.” Id. at 862 (internal quotation omitted).
    Drawing on Ball, the Ninth Circuit, in United States v.
    Kuchinski, 
    469 F.3d 853
    , 859 (9th Cir. 2006), in which the
    defendant was indicted both under § 2252A(a)(2) and under
    § 2252A(a)(5)(B), observed, in dicta, that “[i]f, as it seems, the
    counts were based on the same acts, entering judgment on both
    the offenses would be improper.” See also United States v.
    Morgan, 
    435 F.3d 660
    , 662-63 (6th Cir. 2005) (noting that a
    defendant charged under § 2252A(a)(2), who pled guilty to
    violating § 2252A(a)(5)(B), had pled to “a lesser-included
    offense of the charged violation”); United States v. Mohrbacher,
    
    182 F.3d 1041
    , 1048-49 (9th Cir. 1999) (consulting dictionary
    definitions of “receive” after concluding that “there is no
    indication that Congress intended a specific legal meaning for
    the term”).15 The observation of these courts that possession of
    15
    The Oxford English Dictionary (2d ed. 1989) defines
    (continued...)
    35
    child pornography is a lesser-included offense of receipt of child
    pornography, though offered in dicta, appears to be correct
    under Ball. See also United States v. Kamen, 
    491 F. Supp. 2d 142
     (D. Mass. 2007) (holding that possessing videotapes
    depicting “a minor engaging in sexually explicit conduct,” in
    violation of § 2252(a)(4)(B) is a lesser-included offense of
    receiving the same videotapes in violation of § 2252(a)(2)).
    The government argues, however, that, even if
    § 2252A(a)(2) contains all the elements of § 2252A(a)(5)(B),
    the provisions punish separate offenses because there is a
    defense available for violations of § 2252A(a)(5)(B) that is not
    available for violations of § 2252A(a)(2). 18 U.S.C. § 2252A(d)
    provides an affirmative defense to a defendant who “possessed
    less than three images of child pornography” and “promptly
    . . . took reasonable steps to destroy each such image” or
    “reported the matter to a law enforcement agency and afforded
    that agency access to each such image.” The government
    contends that this affirmative defense constitutes an additional
    “element” of § 2252A(a)(5)(B) for double jeopardy purposes
    because “it is more than theoretically possible for one to be
    guilty of receipt without being guilty of the purported lesser
    included offense of possession.” Appellee’s Brief at 47.
    15
    (...continued)
    “receive” as “[t]o take in one’s hand, or into one’s possession
    (something held out or offered by another); to take delivery of
    (a thing) from another, either for oneself or for a third party.”
    36
    That possibility — whether or not more than theoretical
    — is immaterial to whether two offenses are the same under the
    same-elements test. Under Blockburger, as this court has
    explained, “[t]he elements of the offense are compared in the
    abstract, without looking to the facts of the particular case.”
    Government of Virgin Islands v. Joseph, 
    765 F.2d 394
    , 396
    (3d Cir. 1985) (emphasis in original). Thus, under the same-
    elements test, affirmative defenses are not among the elements
    to be considered in comparing the charged offenses. Cf. Kamen,
    
    491 F. Supp. 2d at 150-52
     (holding that affirmative defenses that
    do not “actually negate required elements of the crime” are not
    “elements” under Blockburger). The “elements” to be compared
    are rather those that must necessarily be proved to establish the
    commission of a charged offense. See United States v. Chorin,
    
    322 F.3d 274
    , 281 (3d Cir. 2003) (“Under the Blockburger test,
    a court looks to the statutory elements of the crime charged to
    determine if there is any overlap.”). We therefore conclude that
    Ball controls our analysis, and that possession of child
    pornography in violation of § 2252A(a)(5)(B) is a lesser-
    included offense of receipt of child pornography in violation of
    § 2252A(a)(2).
    2.
    Having concluded that §§ 2252A(a)(2) and
    2252A(a)(5)(B) punish the same offense, triggering the
    presumption that “a legislature did not intend to impose two
    punishments for that offense,” Rutledge, 
    517 U.S. at 297
    , we
    next consider whether this presumption “must . . . yield to a
    plainly expressed contrary view on the part of Congress.”
    37
    Garret v. United States, 
    471 U.S. 773
    , 779 (1985). No such
    view is discernible, in this case, from the language of § 2252A
    or the general descriptions of the statute’s purpose contained in
    the Congressional reports. See, e.g., H.R. Rep. No. 104-863, at
    28-34 (Conf. Rep.) (1996); see also H.R. Rep. No. 95-811, at
    5-7, as reprinted in 1978 U.S.C.C.A.N. 69, 69-71 (Conf. Rep.)
    (1977) (addressing parallel provisions of § 2252A); S. Rep.
    95-438, at 1-34, as reprinted in 1978 U.S.C.C.A.N. 40, 40-69
    (1977) (same). Without evidence of such intent, we conclude
    that these provisions, which are part of a single statute, are
    “directed to similar, rather than separate, evils,” Rutledge, 
    517 U.S. at
    304 n.14 (discussing Ball). We therefore hold that the
    entry of separate convictions for the same offense under both
    § 2252A(a)(2) and § 2252A(a)(5)(B) contravenes the double
    jeopardy clause, and thus constitutes an error for the purpose of
    plain error review.
    B.
    Having concluded (1) that the entry of separate
    convictions for counts one and four transgressed the double
    jeopardy clause, and thus constitutes an error, we turn to
    whether (2) that error is plain. In making this determination, we
    follow this court’s analysis in United States v. Jackson, 
    443 F.3d 293
     (3d Cir. 2006). In Jackson, we held, as a matter of first
    impression for this circuit, that possession with intent to
    distribute cocaine base, in violation of 
    21 U.S.C. § 841
    (a)(1), is
    a lesser-included offense of possession with intent to distribute
    cocaine base within 1,000 feet of a school, in violation of
    
    21 U.S.C. § 860
    (a). Reviewing the district court’s entry of
    38
    separate convictions for these offenses under the plain error
    rubric, we determined that, notwithstanding that the double
    jeopardy question had not previously been addressed by this
    court, the district court’s error was plain. See 
    443 F.3d at 301
    .
    We find that the error in this case is likewise plain. As
    addressed above, we hold that possessing child pornography is
    a lesser-included offense of receiving child pornography, and
    thus that §§ 2252A(a)(2) and 2252A(a)(5)(B) punish the same
    offense. Though we reach this conclusion as a matter of first
    impression, we do so on the basis of the Supreme Court’s
    holding in Ball, which is well entrenched in our law and clear in
    its implications with respect to the double jeopardy question in
    this case. We therefore find that the error in entering separate
    convictions for counts one and four of Miller’s superseding
    indictment is, indeed, plain.
    C.
    Having determined that (1) the entry of convictions under
    both statutes was error and (2) the error is plain, we now
    consider (3) whether that plain error “affected substantial
    rights.” In Jackson, we held that the district court’s entry of
    separate convictions for the same offense affected the
    defendant’s substantial rights because “[t]he Fifth Amendment
    right to be free from duplicative prosecutions and punishment is
    a hallmark of American jurisprudence.” 
    443 F.3d at 301
    . The
    Jackson court’s observation is no less true with respect to the
    double jeopardy error in this case, and we therefore hold that
    39
    Miller’s substantial rights have been affected by the entry of
    separate convictions for counts one and four.
    D.
    Having considered three factors of plain error review, we
    now turn to the fourth factor — namely, whether the District
    Court’s error “seriously affected the fairness, integrity, or public
    reputation of judicial proceedings.” In Jackson, the court
    determined that, although the district court imposed concurrent
    sentences for the separate convictions, its entry of the
    convictions seriously affected the fairness of the sentencing
    proceeding because the defendant received two special
    assessments of $100 instead of one. See 
    id.
     These monetary
    penalties are not the sole costs resulting from the entry of
    separate convictions, however. In Rutledge, the Supreme Court
    observed that, in considering whether the entry of separate
    convictions imposes multiple punishments, “‘the potential
    adverse collateral consequences’” that inhere in each separate
    conviction “‘may not be ignored.’” 
    517 U.S. at 302
     (quoting
    Ball, 
    470 U.S. at 865
    ).
    The entry of separate convictions for violation of
    §§ 2252A(a)(2) and § 2252A(a)(5)(B) saddles the defendant
    with separate $100 special assessments and threatens him with
    “the potential adverse collateral consequences” of two
    convictions on child pornography charges. We therefore hold
    that the entry of separate convictions for counts one and four of
    Miller’s superseding indictment seriously affected the fairness
    of the District Court’s proceedings. Accordingly, we conclude
    40
    that, under the plain error standard, we may notice this double
    jeopardy error, and we turn to addressing the appropriate
    remedy.
    E.
    Where we conclude that a defendant was erroneously
    convicted for the same offense under two separate counts, but
    find the evidence sufficient to support either conviction, “the
    only remedy consistent with the congressional intent is for the
    District Court, where the sentencing responsibility resides, to
    exercise its discretion to vacate one of the underlying
    convictions.” Ball, 
    470 U.S. at 864
    . Accordingly, we will
    remand this case to the District Court for further appropriate
    proceedings.
    V.
    Miller also appeals the District Court’s determination that
    he committed perjury in testifying to the nature of his adult
    pornography collection, which formed the basis of the District
    Court’s addition of a two-level enhancement pursuant to
    U.S.S.G. § 3C1.1 (2003),16 to his recommended Guidelines
    sentencing level. The District Court applied the enhancement
    16
    Miller’s presentence investigation report also recommended
    the obstruction of justice enhancement on the basis that Miller
    gave perjured testimony regarding the marijuana he was found
    to have possessed.         The District Court rejected this
    recommendation.
    41
    based on the following colloquy, which took place during the
    government’s cross-examination of Miller at trial:
    Q. You do collect pornography, correct?
    A. I had a small collection of adult pornography,
    yes. It was primarily Playboy images.
    Q. What’s that?
    A. Primarily Playboy centerfolds.
    Q. Primarily Playboy centerfolds?
    A. Yes.
    Q. Did you have sadomasochistic pictures?
    A. Not that I’m aware of, no.
    A. 311. The government then sought to introduce into evidence
    five images that were found on the zip disk containing child
    pornography. The images, which were of adults, were said by
    the government to be “sadomasochistic.” The District Court
    excluded these images as unduly prejudicial under Fed. R.
    Evid. 403, and the government asked no further questions of
    Miller on this subject.17 At a post-trial evidentiary hearing to
    17
    During Miller’s cross-examination, the government made
    (continued...)
    42
    address Miller’s objections to the PSR, the government
    introduced the five images, and Agent Kyle provided detailed
    descriptions of them. The District Court concluded from this
    evidence that the images “could fairly be described as
    sadomasochistic pornography,” and that Miller’s testimony that
    he was not aware of having any sadomasochistic images
    constituted perjury. A. 21.
    A.
    Section 3C1.1 of the 2003 version of the Guidelines
    provides for an enhancement if a defendant “willfully
    . . . attempted to obstruct or impede, the administration of justice
    during the course of the . . . prosecution” through conduct that
    17
    (...continued)
    two requests to introduce the images. When its first request was
    denied, the government stated an intention to reintroduce the
    images in its rebuttal, and the District Court said it would
    consider the request at that time. When the government made
    its second request during Miller’s cross-examination, shortly
    following its first request, Miller’s counsel said that he would
    not object to the government’s introduction of “non-prejudicial
    adult pornography” to impeach Miller’s testimony, but that he
    objected to the admission of images of an extremely prejudicial
    nature that “are not indicative of the majority of the images” on
    the zip disk. A. 317. Despite this concession, the government
    did not seek to introduce any other images to impeach Miller’s
    testimony. It did, however, elicit testimony from Smith, Miller’s
    expert, that he found images on the disk that he considered to
    depict sadomasochistic pornography.
    43
    is “related to (i) the defendant's offense of conviction and any
    relevant conduct; or (ii) a closely related offense . . . .” U.S.S.G.
    § 3C1.1 (2003).18 The commentary to § 3C1.1 instructs that it
    covers perjury. See U.S.S.G. § 3C1.1 cmt. n.4 (2003). Writing
    for a unanimous Court in United States v. Dunnigan, 
    507 U.S. 89
     (1993), Justice Kennedy stated that: “In determining what
    constitutes perjury, we rely upon the definition that has gained
    general acceptance and common understanding under the federal
    criminal perjury statute, 
    18 U.S.C. § 1621
    .” 507 U.S. at 94.
    Accordingly, to trigger application of § 3C1.1 on perjury
    grounds, a defendant must give “false testimony concerning a
    material matter with the willful intent to provide false testimony
    . . . .” Id.
    18
    As noted above, the District Court applied the 2003 version
    of Guidelines, which was in effect at the time of Miller’s
    offense. The 2003 version of § 3C1.1 states:
    If (A) the defendant willfully obstructed or
    impeded, or attempted to obstruct or impede, the
    administration of justice during the course of the
    investigation, prosecution, or sentencing of the
    instant offense of conviction, and (B) the
    obstructive conduct related to (i) the defendant’s
    offense of conviction and any relevant conduct; or
    (ii) a closely related offense, increase the offense
    level by 2 levels.
    U.S.S.G. § 3C1.1 (2003). The provision was revised in 2006 to
    punish obstructing the administration of justice “with respect
    to,” rather than “during the course of” the prosecution.
    44
    Miller argues that his testimony as to his adult
    pornography collection was neither false nor material, and thus
    did not warrant a sentencing enhancement. We review the
    factual findings underlying the District Court’s perjury
    determination for clear error, while exercising plenary review
    over the District Court’s conclusions of law. See Grier, 
    475 F.3d at 561
    . In undertaking the review, we are guided by the
    precept, stated in the commentary to § 3C1.1, that the section “is
    not intended to punish a defendant for the exercise of
    constitutional right,” and accordingly we are “cognizant that
    inaccurate testimony or statements sometimes may result from
    confusion, mistake, or faulty memory and, thus, not all
    inaccurate testimony or statements necessarily reflect a willful
    attempt to obstruct justice.” U.S.S.G. § 3C1.1 cmt. n.2 (2003).
    Addressing this obligation, Dunnigan instructs that “if a
    defendant objects to a sentence enhancement resulting from her
    trial testimony, a district court must review the evidence and
    make independent findings necessary to establish a willful
    impediment or obstruction of justice, or an attempt to do the
    same, under the perjury definition we have set out.” 507 U.S. at
    95. In doing so, “it is preferable for a district court to address
    each element of the alleged perjury in a separate and clear
    finding.” Id.; cf. United States v. Boggi, 
    74 F.3d 470
    , 479
    (3d Cir. 2006) (upholding perjury determination that necessarily
    encompassed “all of the elements of perjury—falsity,
    materiality, and willfulness”).
    Consistent with Dunnigan’s instruction, the District
    Court made express findings as to each element of perjury. The
    45
    District Court concluded that Miller possessed “images that
    could fairly be described as sadomasochistic pornography,” and
    that Miller testified falsely in claiming that he was not aware of
    possessing “sadomasochistic pictures.” The District Court
    further found that this testimony concerned a “material matter.”
    A. 32. We separately address each finding.
    B.
    Miller does not directly challenge the District Court’s
    factual determination that the zip disk containing child
    pornography also contained five images depicting adults “that
    could fairly be described as sadomasochistic pornography.” We
    cannot conclude, based on the testimony in the record as to the
    content of the images, that this finding is clearly erroneous.
    However, Miller’s testimony will support a sentencing
    enhancement for perjury only if he also gave willfully false
    testimony as to his understanding of the images. Thus,
    notwithstanding whether the images “could fairly be described
    as sadomasochistic pornography,” the court must consider
    (a) whether Miller was both aware that he possessed the
    assertedly “sadomasochistic” images, and (b) whether Miller
    himself considered those images to be “sadomasochistic.”
    C.
    Miller argues that the District Court had no valid basis
    for concluding that he gave willfully false testimony by saying
    — in response to the question “[d]id you have sadomasochistic
    pictures?” — “[n]ot that I’m aware of, no.” The District Court
    46
    found this testimony to be willfully false for the following
    reason: “The jury found Miller guilty of knowingly possessing
    child pornography.     Since the zip disk containing the
    sadomasochistic pornography was knowingly in his possession,
    we are of the view that he knowingly possessed the images
    themselves.” A. 31 (emphasis in original).
    This recital is not, of itself, sufficient to support a finding
    that Miller gave willfully false testimony. “[I]n order to warrant
    the two point enhancement for obstruction of justice, the perjury
    of the defendant must . . . be clearly established, and supported
    by evidence other than the jury’s having disbelieved him . . . .”
    United States v. McLaughlin, 
    126 F.3d 130
    , 140 (3d Cir. 1997)
    (emphasis in original) (quoting United States v. Colletti,
    
    984 F.2d 1339
    , 1348 (3d Cir. 1992), abrogated on other
    grounds by United States v. Fiorelli, 
    133 F.3d 218
    , 222-23
    (3d Cir. 1998)).19 Moreover, the jury’s determination that Miller
    19
    The above-quoted McLaughlin-sentence reads, in full:
    [I]n order to warrant the two point enhancement
    for obstruction of justice, the perjury of the
    defendant must not only be clearly established,
    and supported by evidence other than the jury’s
    having disbelieved him, but also must be
    sufficiently far-reaching as to impose some
    incremental burdens upon the government, either
    in investigation or proof, which would not have
    been necessary but for the perjury.
    (continued...)
    47
    knowingly possessed child pornography does not, in light of the
    evidence, compel the inference that Miller knowingly possessed
    each of the 1200-1400 images on the zip disk, as the
    government adduced no forensic testimony regarding images on
    the disk that depicted adults. We are thus bound to reject the
    District Court’s inference, and consider whether the record can
    nevertheless support the District Court’s “view that [Miller]
    knowingly possessed” sadomasochistic pictures.
    1.
    The District Court’s finding that Miller gave willfully
    false testimony was predicated on Miller's answer to a single
    question at trial:
    Q. Did you have sadomasochistic pictures?
    A. Not that I’m aware of, no.
    In evaluating whether this testimony can sustain a finding of
    perjury, we must consider whether, in the context of the
    19
    (...continued)
    McLaughlin, 
    126 F.3d at 140
     (emphasis and alteration in
    original) (quoting Colletti, 
    984 F.2d at 1348
    ). In Fiorelli, the
    court affirmed that a jury’s verdict cannot itself support a
    finding of perjury. However, it rejected, as dictum, the
    proposition that a false and material statement must impose an
    incremental burden on the government. See 
    133 F.3d at 222-23
    .
    48
    defendant’s testimony, the government’s question is open to
    multiple interpretations.
    “Precise questioning is imperative as a predicate for the
    offense of perjury.” Bronston v. United States, 
    409 U.S. 352
    ,
    362 (1973) (holding that a defendant’s true, if misleading,
    testimony cannot support a conviction under the federal perjury
    statute). The Bronston Court stressed that it is incumbent on the
    government to examine a witness with the precision and
    thoroughness necessary to establish the elements of perjury:
    [W]e perceive no reason why Congress would
    intend the drastic sanction of a perjury
    prosecution to cure a testimonial mishap that
    could readily have been reached with a single
    additional question by counsel alert—as every
    examiner ought to be—to the incongruity of
    petitioner's unresponsive answer. Under the
    pressures and tensions of interrogation, it is not
    uncommon for the most earnest witnesses to give
    answers that are not entirely responsive.
    Sometimes the witness does not understand the
    question, or may in an excess of caution or
    apprehension read too much or too little into it.
    . . . It is the responsibility of the lawyer to probe;
    testimonial interrogation, and cross-examination
    in particular, is a probing, prying, pressing form
    of inquiry. If a witness evades, it is the lawyer’s
    responsibility to recognize the evasion and to
    bring the witness back to the mark, to flush out
    49
    the whole truth with the tools of adversary
    examination.
    
    409 U.S. at 358-59
    . In United States v. Serafini, 
    167 F.3d 812
    (3d Cir. 1999), we heeded this guidance and held that a perjury
    conviction under 
    18 U.S.C. § 1623
     cannot be predicated on a
    response to a “fundamentally ambiguous” question. 
    167 F.3d at 820
    ; see 
    id. at 824
     (“[L]ack of specificity [i]s a form of
    imprecision whose ‘consequences must be laid at the table of the
    questioner, not the questioned.’” (ellipses omitted) (quoting
    United States v. Sainz, 
    772 F.2d 559
    , 563 (9th Cir. 1985))).
    While our opinion in Serafini speaks to whether a
    question is so “fundamentally ambiguous” that it cannot be
    submitted to the jury as the basis for a finding of perjury, it
    compels us to consider whether, in the context of § 3C1.1,
    a question is sufficiently precise to support the factual findings
    made by the District Court. As the Tenth Circuit has stated:
    “The purpose of the rule of fundamental ambiguity is three-fold,
    namely, to (1) preclude convictions grounded on surmise or
    conjecture; (2) prevent witnesses from unfairly bearing the risks
    of inadequate examination; and (3) encourage witnesses to
    testify (or at least not discourage them from doing so).” United
    States v. Farmer, 
    137 F.3d 1265
    , 1269 (10th Cir. 1998). This
    threefold purpose echoes the precepts that guide our application
    of a sentencing enhancement for perjury: namely, that § 3C1.1
    “is not intended to punish a defendant for the exercise of
    constitutional right,” and that we must be “cognizant that
    inaccurate testimony or statements sometimes may result from
    confusion, mistake, or faulty memory and, thus, not all
    50
    inaccurate testimony or statements necessarily reflect a willful
    attempt to obstruct justice.” U.S.S.G. § 3C1.1 cmt. n.2 (2003).
    Just as these concerns require district courts, in addressing a
    defendant’s objections to a sentencing enhancement for perjury,
    to “make independent findings necessary to establish a willful
    impediment or obstruction of justice, or an attempt to do the
    same,” Dunnigan, 507 U.S. at 95, they oblige us to consider the
    clarity of the questioning that underlies the District Court’s
    findings.
    2.
    In two respects, the question put to Miller, the answer to
    which the District Court found willfully false, lacked the
    precision adequate to support the District Court’s finding. First,
    the government did not lay a suitable foundation for the
    question: “Did you have sadomasochistic pictures?” It is
    apparent that, in asking this question of Miller during cross-
    examination, the government sought to elicit testimony
    concerning five specific image files, depicting adults, that were
    found on a zip disk containing 1200-1400 image files. It does
    not appear that the government provided Miller with notice that
    it was these five images to which it was referring.           The
    government proffered no testimony describing the image files,
    and was precluded from admitting the images themselves into
    evidence. Furthermore, the government made no effort to
    refresh Miller’s recollection by showing him copies of the
    images (without introducing them into evidence). Without such
    a foundation, there is no basis for concluding that Miller was
    51
    aware of which assertedly “sadomasochistic pictures” the
    prosecutor might have had in mind.
    Second, even if Miller had been aware that he possessed
    the five image files to which the government was alluding, the
    government’s questioning did not establish that he gave a
    willfully false answer by denying that he possessed
    “sadomasochistic pictures.”          The meaning of the term
    “sadomasochistic” is both contested and context-dependent.
    See, e.g., United States v. Turchen, 
    187 F.3d 735
    , 739 (7th Cir.
    1999) (endorsing district court approach of surveying the
    “ordinary and more clinically precise” meanings of “sadistic and
    masochistic conduct” before finding that material fit this
    description). The government made no attempt to probe
    Miller’s understanding of the term. This omission is particularly
    significant in view of the government’s failure to present Miller
    with copies of the five images that it subsequently contended to
    be “sadomasochistic.” While we defer to the District Court’s
    factual determination at the sentencing hearing that the images
    “could fairly be described as sadomasochistic pornography,” this
    finding is not by itself controlling with respect to whether Miller
    gave willfully false testimony. The salient considerations, with
    respect to this inquiry, are whether, in undertaking to give a
    truthful answer to the question posed at trial, Miller (1) would
    necessarily have called to mind those five images, stored on a
    zip disk containing no fewer than 1200 images, that would have
    particularly engaged the government’s attention as
    “sadomasochistic,” and (2) would necessarily have
    acknowledged not merely that the images “could,” as the
    District Court was later to say, “fairly be described as
    52
    sadomasochistic,” but that he, Miller, would, if being truthful,
    acknowledge that the images were indeed “sadomasochistic.” 20
    Because the government did not clarify what Miller
    understood the term “sadomasochistic” to mean, we have no
    basis for concluding whether Miller thought that he possessed
    “pictures” that would fit that description. Accordingly, we
    conclude that the government failed to engage in the “[p]recise
    questioning that Bronston holds to be “imperative as a predicate
    for the offense of perjury.” 
    409 U.S. at 362
    . Miller’s response
    to the government’s questioning cannot, therefore, support the
    District Court’s determination that Miller gave willfully false
    testimony as to whether he was aware that he possessed
    “sadomasochistic pictures.”
    D.
    Miller also argues that the District Court erred in finding
    that his allegedly false testimony concerned a “material matter.”
    20
    The government argues, without proffering a definition for
    the term “sadomasochistic,” that the brutality of the images in
    question is so manifest that any truthful viewer would find the
    term to be descriptively correct. However, in concluding that
    the images “could fairly be described as sadomasochistic,” the
    District Court did not find that any truthful viewer would
    necessarily describe them as such, an undertaking that would
    warrant consideration of popular understandings of the term
    “sadomasochism.” See, e.g., Turchen, 
    187 F.3d at 139
    . We may
    not augment the District Court’s findings.
    53
    We exercise plenary review over this determination, as it
    involves a mixed question of law and fact. See United States v.
    Gaudin, 
    515 U.S. 506
    , 511-22 (1995);21 United States v. Kiam,
    
    432 F.3d 524
    , 527 (3d Cir. 2006) (“Our review of legal rulings
    and mixed questions of law and fact is plenary.”). The
    commentary to § 3C1.1 provides that a “material” statement, “as
    used in th[e] section,” is a statement that, “if believed, would
    tend to influence or affect the issue under determination.” This
    guidance meshes with the restriction that § 3C1.1 may be
    applied only to “obstructive conduct related to (i) the
    defendant’s offense of conviction and any relevant conduct; or
    (ii) a closely related offense.” U.S.S.G. § 3C1.1 (2003).
    21
    Just over thirty years ago, in United States v. Crocker,
    
    568 F.2d 1049
    , 1056 (3d Cir. 1977), we ruled that “both under
    the perjury statute, 
    18 U.S.C. § 1621
    , and under the false
    declarations statute, 
    18 U.S.C. § 1623
    , materiality is an
    essential element of the offense and a question of law reserved
    for decision by the court.” But Crocker has been overtaken by
    Gaudin, in which the Supreme Court held that, because
    materiality is an essential element of perjury, it must be decided
    by the trier of fact. See 
    515 U.S. at 511-22
    . The elements of
    perjury for the purpose of § 3C1.1 are the same as those under
    the perjury statute, § 1621, see Dunnigan, 507 U.S. at 94, and
    we consequently treat materiality as a mixed question of law and
    fact, which we continue to review de novo.
    54
    Accordingly, in harmony with many of our sister circuits,22 we
    apply the commentary’s definition of “material” in determining
    whether the materiality element of perjury has been established
    for the purpose of a sentencing enhancement.
    The five assertedly “sadomasochistic” images that
    underlie the District Court’s perjury determination feature
    adults. The District Court nevertheless concluded that the
    testimony was material to Miller’s offense for the following
    reason:
    There is a significant distinction to be drawn
    between a collection of Playboy images and a
    collection of pornography which includes images
    of women being raped and tortured. The images
    in a collection obviously reflect the collector’s
    preferences and interests. A collection entirely
    22
    See United States v. Thundershield, 
    474 F.3d 503
    ,
    508 (8th Cir. 2007), United States v. Salazar-Samaniega,
    
    361 F.3d 1271
    , 1275 (10th Cir. 2004); United States v. Quinn,
    
    359 F.3d 666
    , 681 (4th Cir. 2004); United States v. Owens,
    
    308 F.3d 791
    , 795 (7th Cir. 2002); United States v. Singh,
    
    291 F.3d 756
    , 762-63 (11th Cir. 2002); United States v. Ahmad,
    
    202 F.3d 588
    , 593 (2d Cir. 2000); United States v. Haas,
    
    171 F.3d 259
    , 268 (5th Cir. 1999); United States v. Jones,
    
    159 F.3d 969
    , 980-81 (6th Cir. 1999); Cf. United States v. Fox,
    
    393 F.3d 52
    , 61 n.9 (1st Cir. 2004) (finding testimony material
    where it tended to undermine the credibility of law enforcement
    officer testifying against defendant), vacated on other grounds,
    
    545 U.S. 1125
     (2005).
    55
    comprised of Playboy centerfolds may be viewed
    as more acceptable or “mainstream.” A collection
    which includes sadomasochistic pornography may
    well reflect interests in more deviant sexual
    practices, or at least in other images depicting
    such conduct.
    A. 31. Therefore, the District Court concluded, Miller’s
    testimony “constitutes false testimony on a material matter. His
    statement, if believed by the jury, would have influenced or
    affected their resolution of the offense charged in count 1 of the
    indictment . . . .” A. 32.
    Two appellate courts have confronted a similar question,
    in the context of determining the propriety of admitted evidence,
    and concluded that a defendant’s interest in unusual adult
    pornography is irrelevant to whether he is guilty of a child
    pornography count. In United States v. Harvey, 
    991 F.2d 981
    (2d Cir. 1993), the court held that, because they were irrelevant,
    videos depicting adults “performing gross acts involving human
    waste, and people engaging in bestiality and sadomasochism,”
    
    991 F.2d at 996
    , were inadmissible as evidence that a defendant
    received child pornography:
    The . . . X-rated material, which did not involve
    either child pornography or simulated child
    pornography, did not bear on the disputed trial
    issues, and thus was not relevant.            See
    Fed. R. Evid. 401 and 402 [(providing that
    “evidence which is not relevant is not
    56
    admissible”)]. . . . The[] questions and the
    answers [regarding the videos] concerned material
    for which Harvey was not being prosecuted and
    that did not bear on the disputed trial issues. We
    have little difficulty in concluding that the likely
    effect of this evidence was to create disgust and
    antagonism toward Harvey, and resulted in
    overwhelming prejudice against him.
    
    Id.
    The Fifth Circuit drew upon this holding to conclude, in
    Ward v. Dretke, 
    420 F.3d 479
     (5th Cir. 2005),23 that images
    23
    In Ward, a habeas petitioner, when he was a defendant in
    Texas state court, pled guilty to charges including possession of
    child pornography, and elected to have a jury determine his
    sentence. The jury sentenced the defendant-petitioner to
    66 years’ imprisonment. The district court found that the
    petitioner received ineffective assistance of counsel at the
    punishment trial. The Fifth Circuit reviewed this determination
    under AEDPA’s constraint that a state court determination may
    be reversed only if it “involved an unreasonable application of[]
    clearly established Federal law . . . .” 
    28 U.S.C. § 2254
    (d)(1).
    Bound by this constraint, the Fifth Circuit concluded that the
    state court did not unreasonably apply the second prong of the
    “performance and prejudice” test, as set forth in Strickland v.
    Washington, 
    466 U.S. 688
     (1984), in concluding that the
    petitioner was not prejudiced by the failures of his counsel. The
    Fifth Circuit did find, however, that, with respect to the first
    (continued...)
    57
    depicting adults engaging in bestiality, which were stored on a
    defendant’s computer along with child pornography, were
    irrelevant to a “sentencing jury’s” assessment of a defendant’s
    culpability for possessing child pornography:
    We can identify no objectively reasonable basis in
    this case for permitting the sentencing jury to
    view the images of adult bestiality. The images
    did not form part of the factual basis for the
    charges to which Ward plead guilty, and had no
    relevance to the jury's sentencing determination
    apart from demonstrating the depths of depravity
    to which Ward had sunk. Even if the evidence
    were relevant in some tangential way to the
    determination of Ward’s sentence, we believe it
    highly probable that considerations of unfair
    prejudice would have sufficed to keep this
    evidence from the jury.
    
    Id.
     at 494-95 (citing Harvey, 
    991 F.2d at 995-96
    ).
    We agree with the Harvey and Ward analyses, and find
    them relevant to whether testimony regarding a defendant’s
    interest in adult pornography is “related to [] the defendant’s
    23
    (...continued)
    prong of Strickland, the performance of petitioner’s counsel was
    constitutionally deficient. This finding was based, in part, on
    counsel’s failure to object to the admission, at the sentencing
    trial, of images depicting adults engaging in bestiality.
    58
    offense” of child pornography “and any relevant conduct.”
    U.S.S.G. § 3C1.1 (2003). As the District Court did not point to
    any empirical or theoretical grounds for its conclusion, and we
    cannot identify such grounds, we follow the reasoning of the
    Harvey and Ward courts and reject the proposition that a
    defendant’s taste for an unusual genre of adult pornography is
    material to his interest in child pornography. We are therefore
    of the view that the District Court erred in finding that Miller
    gave false testimony on a material matter.
    E.
    In summary, we hold that the record does not support the
    District Court’s determination that (a) Miller’s testimony, with
    respect to the assertedly “sadomasochistic pictures,” was
    willfully false, or (b) the testimony was material. Accordingly,
    we conclude that it was error to find that Miller committed
    perjury and, on that ground, to add to the Guideline calculation
    of Miller’s sentence an enhancement for obstruction of justice.
    VI.
    For the foregoing reasons, we will VACATE the District
    Court’s Judgment and Commitment Order, and will REMAND
    the case for further proceedings in accordance with this Opinion.
    ____________
    59
    RENDELL, Circuit Judge, Concurring in Part and Dissenting
    in Part.
    While the majority opinion goes to great lengths to point
    out the distinction between knowing receipt and knowing
    possession of child pornography, and that proof of the latter is
    not enough to satisfy the former, I suggest that the only proof
    adduced by the Government here is of the latter. There is simply
    no non-speculative evidence that would tend to show, let alone
    prove beyond a reasonable doubt, that Miller received the eleven
    images — out of the 1200-1400 total on the zip disk — knowing
    that they were child pornography. Perhaps there is enough from
    which the jury could infer his knowing possession — because
    the images were on a password-protected zip disk that he
    acknowledged was his. However, without any evidence
    whatsoever that would point to how he accessed or obtained the
    child pornography images, let alone any evidence tending to
    show that he was or should have been aware of what they were
    at the time he took possession of them, I suggest that a jury
    could not properly find knowing receipt.
    Knowing receipt is a much more serious crime than
    knowing possession. Generally, it carries with it a five-year
    minimum sentence and a twenty-year maximum, while knowing
    possession has no statutory minimum and the maximum
    sentence is ten years. See 18 U.S.C. § 2252A(b). Inferring
    “knowing receipt” from (a) the presence of the images on the
    60
    zip disk, and (b) the differing “copied” dates requires too great
    a leap. When combined with the burden of proof beyond a
    reasonable doubt, it strains credulity.
    There were at least 1200 images on the zip disk and the
    Government only characterized twenty — less than 2% — of
    them as child pornography.1 Thirteen of the twenty images were
    created on October 13, 2002, one on October 29, 2002, five on
    December 17, 2002, and one on December 20, 2002. It should
    be noted that the thirteen copied on October 13 were among
    586 image files copied to the zip disk over a seven-hour period,
    at intervals suggesting they were copied automatically. (The
    record before us does not indicate how many total images were
    copied on the three dates other than October 13.) Further, the
    District Court determined that only eleven of the twenty images
    put forth by the Government — less than 1% of all of the images
    on the zip disk — constituted child pornography.
    Given the amazing capabilities of technology to trace and
    find, backtrack and connect, so as to prove the source and path
    of computer-generated and -transmitted data, the sheer inability
    of the Government to posit a non-speculative explanation as to
    how these images came to be on the zip disk, let alone prove
    they were “knowingly received” by Miller is, to me, striking.
    1
    The Government’s expert did not even know the total
    number of images on the zip disk, testifying that there were
    between 1200 and 1400. The defendant’s expert testified that
    there were 1373.
    61
    I would REVERSE the jury verdict as to knowing receipt
    and REMAND for re-sentencing on the possession charge.2
    2
    I do agree with the majority that the perjury enhancement
    was improperly applied and that the knowing possession of child
    pornography is a lesser-included offense of the knowing receipt
    of child pornography.
    62