United States v. Kern Wilson , 408 F. App'x 798 ( 2010 )


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  •      Case: 09-30742 Document: 00511293321 Page: 1 Date Filed: 11/15/2010
    IN THE UNITED STATES COURT OF APPEALS
    FOR THE FIFTH CIRCUIT  United States Court of Appeals
    Fifth Circuit
    FILED
    November 15, 2010
    No. 09-30742                         Lyle W. Cayce
    Clerk
    UNITED STATES OF AMERICA
    Plaintiff - Appellee,
    v.
    KERN CARVER BERNARD WILSON; DURWANDA ELIZABETH MORGAN
    HEINRICH,
    Defendants - Appellants.
    Appeals from the United States District Court
    for the Eastern District of Louisiana
    USDC No. 2:08-CR-128
    Before BARKSDALE, STEWART, and SOUTHWICK, Circuit Judges.
    PER CURIAM:*
    For these challenged convictions for bribery of public officials during
    reconstruction in the aftermath of Hurricane Katrina, primarily at issue is
    whether one of the defendants, Kern Wilson, qualifies as a “public official”
    within the meaning of the bribery statute.               Error is also claimed for the
    restriction placed on cross-examination of a Government-witness co-conspirator,
    and three trial evidentiary rulings. AFFIRMED.
    *
    Pursuant to 5TH CIR . R. 47.5, the court has determined that this opinion should not
    be published and is not precedent except under the limited circumstances set forth in 5TH CIR .
    R. 47.5.4.
    Case: 09-30742 Document: 00511293321 Page: 2 Date Filed: 11/15/2010
    No. 09-30742
    I.
    The bribery and conspiracy at issue concerns the bid process for the
    enlargement and reconstruction of the Lake Cataouatche Levee, a project located
    south of New Orleans and part of post-Katrina reconstruction projects
    supervised by the United States Army Corps of Engineers (USACE).             In
    September 2005, soon after Katrina, Wilson, a retired Army officer and civil
    engineer, moved to New Orleans, seeking work as a recovery consultant on such
    projects.
    In July 2006, after a brief stint with an emergency-relief consortium,
    Wilson joined Integrated Logistical Support, Inc. Engineering (ILSI), working
    under contract for USACE.       Wilson’s work concerned projects related to
    construction of embankment protection along coastal waterways. It was while
    working earlier with the above-referenced emergency-relief consortium that
    Wilson met defendant Elizabeth Heinrich, a supplier of dirt and sand to various
    construction projects. Wilson and Heinrich became friends and romantically
    involved.
    In addition, soon after joining ILSI, Wilson met Raul Miranda, an engineer
    who, inter alia, assisted USACE in evaluating and reviewing bids for the Lake
    Cataouatche project. Part of Miranda’s work entailed identifying deficiencies
    with the bid proposals for USACE’s contract-selection committee.
    Through their work together, Wilson and Miranda became friends; their
    desks were next to each other; and Miranda rented a duplex directly above
    Wilson’s apartment.    Heinrich met Miranda during her visits to Wilson’s
    apartment.
    Heinrich was seeking work with USACE and made well-known her
    interest in obtaining a contract on a USACE project. Her goal was to qualify as
    a sub-contractor for the Lake Cataouatche project (the project), furnishing sand
    and gravel to the prime contractor working the levee construction. During one
    2
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    of her visits to Wilson’s apartment, Heinrich approached Miranda for
    information: she asked him to identify the prime contractor qualified to win the
    Lake Cataouatche contract. This would inform her which contractor to approach
    in her efforts to win a sub-contract.
    USACE’s bid process for the project operated on a “best-value approach”.
    For it, USACE assigned value to factors besides price (e.g., technical approach,
    scheduling) and awarded the contract to the proposal deemed best overall value.
    Unlike the low-bid process, where bids are typically made open to the public, the
    best-value approach is not so disclosed. Instead, the bids are kept sealed and
    only after the proposals are evaluated for addressing specific considerations
    related to the project are contractors given an opportunity to address any
    deficiencies and revise their proposals.
    To prevent contractors from gaining unfair advantage during such bid
    process, USACE requires all engineers, whether Government employees or
    Government contract employees like Wilson and Miranda, to sign a Procurement
    Integrity Act (PIA) statement.     The statement informs its signatories that
    source-selection   and   bid-proposal      information   constitute   “proprietary
    government information” and must be kept confidential. Wilson and Miranda
    signed this PIA statement.
    Following a tip from Miranda, Heinrich decided to support a proposal from
    Manson Gulf, LLC, one of the prime contractors bidding on the project. Miranda
    agreed to provide Heinrich and Wilson with information necessary for Manson
    Gulf to correct technical deficiencies in its bid. In addition, Miranda made clear
    he expected payment for the confidential information he was relaying to
    Heinrich about that bid. Heinrich, Miranda, and Wilson agreed Miranda and
    Wilson would each receive $0.25 per cubic yard of fill material sold by Heinrich
    to Manson Gulf for the project.
    3
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    Following their agreement, and after Manson Gulf submitted its Lake
    Cataouatche bid to USACE, Heinrich contacted Mayeux, the head of Manson
    Gulf’s levee division. Heinrich told Mayeux his bid had flaws and she could help
    him correct them. Heinrich then obtained information from Miranda about that
    bid. On multiple occasions between 25 September and 3 October 2006, Heinrich,
    Miranda, and Wilson met to discuss the summary of technical deficiencies in
    Manson Gulf’s proposal. On some occasions, Wilson would obtain the technical
    information from Miranda at work and relay it to Heinrich that evening.
    Between 28 September and 2 October 2006, Heinrich contacted Mayeux via
    telephone, fax, and e-mail, with information identifying technical deficiencies
    in his proposal and solutions to address them. Mayeux then used Heinrich’s
    suggestions to respond to questions during Manson Gulf’s oral presentation to
    USACE’s source-selection committee. According to Miranda’s trial testimony,
    he had fed some of those questions to that committee, knowing they would help
    Manson Gulf’s proposal.
    In the light of this provided data, Mayeux suspected Heinrich had obtained
    her information from an inside source at USACE. Mayeux informed USACE,
    which then contacted federal law enforcement. At the behest of the Army’s
    Criminal Investigative Division (CID), Mayeux recorded conversations with
    Heinrich in which she acknowledged having an inside source at USACE. In that
    regard, she even told Mayeux at one of these meetings, when he advised her to
    remain while he briefly left the room, “don’t bring the FBI [back] with you”. CID
    intervened and brought the conspirators’ activities to an end.          Miranda
    cooperated with Government investigators; pleaded guilty to bribery, in violation
    of 
    18 U.S.C. § 201
    (b)(2)(B); and received, inter alia, four-months’ imprisonment.
    Pursuant to his plea agreement, Miranda agreed to testify at trial against
    Wilson and Heinrich.
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    Heinrich was indicted on: one count of conspiracy to commit bribery, in
    violation of 
    18 U.S.C. § 371
    ; and two bribery counts (one each for Wilson and
    Miranda), in violation of 
    18 U.S.C. § 201
    (b)(1)(B). Wilson was indicted on: one
    count of conspiracy to commit bribery, in violation of 
    18 U.S.C. § 371
    ; and one
    bribery count, in violation of 
    18 U.S.C. § 201
    (b)(2)(B). Following a jury trial in
    2009, they were convicted on all counts. Heinrich and Wilson were sentenced,
    inter alia, to 60 and 70 months’ imprisonment, respectively.
    II.
    Although Wilson and Heinrich present several claims, Heinrich does not
    challenge her bribery conviction concerning Miranda. At issue are: the district
    court’s restriction of Miranda’s cross-examination; its ruling Wilson was a
    “public official” within the meaning of the bribery statute and, therefore, not
    submitting this “public official” question to the jury; and three trial evidentiary
    rulings.
    A.
    Regarding the limitation on Miranda’s cross-examination, in claimed
    violation of the Sixth Amendment’s Confrontation Clause, defendants assert the
    district court improperly blocked them from establishing Miranda’s lack of
    credibility and motive to lie, by curtailing questions about the detail and scope
    of his plea agreement. Such claimed violations are reviewed de novo; if no Sixth
    Amendment violation exists, the cross-examination limitation is reviewed for
    abuse of discretion. United States v. Jimenez, 
    464 F.3d 555
    , 558-59 (5th Cir.
    2006).
    The Sixth Amendment guarantees a criminal defendant the right to cross-
    examine witnesses testifying against him. E.g., Davis v. Alaska, 
    415 U.S. 308
    ,
    315 (1974). This right, of course, is not unlimited, see Delaware v. Van Arsdall,
    
    475 U.S. 673
    , 679-80 (1986); and it is not infringed provided defendant is able
    to expose facts from which the jury could draw inferences as to the witness’
    5
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    reliability, see United States v. Davis, 
    393 F.3d 540
    , 548 (5th Cir. 2004). To show
    the alternative abuse of discretion, defendant must establish clear prejudice, so
    that “a reasonable jury might have had a significantly different impression of the
    witness’[] credibility if defense counsel had been allowed to pursue the
    questioning”. 
    Id. at 548
    .
    At issue is whether the district court improperly curtailed cross-
    examination on concrete details of Miranda’s plea agreement. During his cross-
    examination, jurors learned: Miranda had reached a plea agreement with the
    Government; in exchange for pleading guilty to one count, the Government
    would not charge him with additional counts; and, in exchange for pleading
    guilty, the Government would limit Miranda’s sentence under the Sentencing
    Guidelines.
    When defense counsel asked about the reduced Guideline sentencing-
    range specified in that plea agreement, however, the district court ruled:
    All I’m going to let you do is ask him what his
    understanding [is], if he has one, as to what sentence
    he’s going to get because of his Plea Agreement and if
    he expects or hopes to get a reduced sentence because
    of his testimony, and that’s it, and let’s get off of this
    Plea Agreement.
    Defendants contend this was error because jurors were left unaware of the
    magnitude of the benefit extended Miranda as the result of his plea agreement;
    they maintain this benefit was so significant that jurors would have discredited
    Miranda’s testimony, or at least this benefit would have generated a different
    impression of his credibility.
    For the reasons that follow, the curtailment of Miranda’s cross-
    examination was neither in violation of the Sixth Amendment nor an abuse of
    discretion. Up to the point of the district court’s limiting Miranda’s cross-
    examination, the jurors were made aware of critical pieces of information:
    6
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    Miranda did not have a plea agreement when he first met with Agents; Miranda
    and the Government agreed to the charges to which he would plead; Miranda
    was charged only with bribery; the Government agreed not to charge him for
    other crimes he committed prior to his guilty plea; he was not charged with lying
    to Agents on 5 October 2006 (when first interviewed by them concerning the
    project), even though every lie brought the possibility of a five-year sentence; and
    he was an uncharged member of the conspiracy.            Subsequently, the court
    instructed the jury that Miranda’s testimony must be “received with caution and
    weighed with great care”.
    Defendants are incorrect in insisting jurors were entitled to know the
    “magnitude of the benefit”made available to Miranda. The Confrontation Clause
    guarantees only “an opportunity for effective cross-examination, not cross-
    examination that is effective in whatever way, and to whatever extent, the
    defense might wish”. Delaware v. Fensterer, 
    474 U.S. 15
    , 20 (1985) (emphasis
    in original). Jurors were made more than well aware of the potential bias
    associated with Miranda’s testimony.
    Moreover, had the district court permitted cross-examination of Miranda’s
    plea-agreement and corresponding Guideline sentencing-range, it would have
    improperly revealed to jurors the Guideline-range Heinrich and Wilson faced.
    See Pope v. United States, 
    298 F.2d 507
    , 508 (5th Cir. 1962) (informing jurors of
    matters relating to defendant’s sentence opens door to compromised verdicts and
    confuses issues to be decided).      Additionally, revealing that range risked
    unnecessarily confusing the jury, and one of the purposes of limiting cross-
    examination is to avoid that. United States v. Hitt, 
    473 F.3d 146
    , 156-57 (5th
    Cir. 2006) (trial court retains wide discretion to limit cross-examination based
    upon concerns of prejudice and confusion). Rather than enter into a complex
    discussion about the mechanics of the advisory Sentencing Guidelines, the
    7
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    district court was correct to avoid confusing jurors, as well as avoid revelation
    of prejudicial information concerning Wilson’s and Heinrich’s possible sentences.
    Defendants’ reliance upon United States v. Chandler, 
    326 F.3d 210
    , 221-23
    (3d Cir. 2003) (holding prohibited cross-examination significantly inhibited
    defendant’s right to cross-examine witness’ motivation to lie because jurors left
    unaware of the magnitude of the sentence reduction), is misplaced; our court’s
    opinion in Burbank v. Cain, 
    535 F.3d 350
     (5th Cir. 2008) is not in alignment with
    Chandler. Instead, Burbank involved a state court that improperly prevented
    the defense from questioning a principle witness about the existence of her plea
    agreement. 
    Id. at 356
    .    Here, defendants were not permitted to explore the
    details of the possible Guideline sentencing-range Miranda faced; but, unlike in
    Burbank, they were permitted to question Miranda about the existence of his
    plea agreement. Defense counsel were also able to question Miranda about his
    motives for entering the plea agreement, which included the possibility he might
    receive a decreased sentence by cooperating with the Government.
    The testimony elicited was sufficient to make jurors aware of Miranda’s
    possible motives for testifying against Wilson and Heinrich, and defendants have
    failed to show reasonable jurors would have received a significantly different
    impression of Miranda’s credibility had the exact Guideline sentencing-range
    been exposed. See Davis, 
    393 F.3d at 548
    . In sum, the jury was given an
    opportunity to form a thorough opinion regarding Miranda’s motive or
    credibility. Jimenez, 
    464 F.3d at 562
    .
    B.
    Defendants base error on the district court’s instructing the jury that
    Wilson was a “public official” within the meaning of the bribery statute. They
    assert: Wilson did not fit within the statutory definition because he was not an
    officer or employee of the United States and his involvement in the conspiracy
    8
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    was unrelated to his work with USACE; and “public official”, as an element of
    
    18 U.S.C. § 201
    , must be determined by a jury.
    Along that line, the district court granted the Government’s contested
    motion in limine, prohibiting defendants from challenging Wilson’s public-official
    status. Similarly, in their motions for judgment of acquittal, which the district
    court denied, defendants contended the Government presented no evidence of
    corruption concerning Wilson’s official decision-making duties and functions.
    Finally, over defendants’ objection, the court instructed the jury that Wilson and
    Miranda were “public officials”.
    1.
    A question of statutory interpretation is, of course, reviewed de novo. E.g.,
    United States v. Valle, 
    538 F.3d 341
    , 344 (5th Cir. 2008). The offenses for
    bribery involving public officials is governed by 
    18 U.S.C. § 201
    . For that
    purpose, “public official” is defined in § 201(a)(1) as follows:
    Member of Congress, Delegate, or Resident
    Commissioner, either before or after such official has
    qualified, or an officer or employee or person acting for
    or on behalf of the United States, or any department,
    agency or branch of Government thereof, including the
    District of Columbia, in any official function, under or
    by authority of any such department, agency, or branch
    of Government, or a juror;
    
    18 U.S.C. § 201
    (a)(1). At issue is whether Wilson’s position as an employee of
    ISLI, under contract with USACE, qualified him as a public official for purposes
    of the bribery statute, 
    18 U.S.C. § 201
    (a)(1), (b)(1)(B), (b)(2)(B).
    In addition to the charged conspiracy, Heinrich was charged with bribing
    Miranda (Count 2) and Wilson (Count 3), in violation of 
    18 U.S.C. § 201
    (b)(1)(B);
    Wilson, with soliciting and accepting a bribe, in violation of 
    18 U.S.C. § 201
    (b)(2)(B). Section 201(b)(1), involving Heinrich, states:
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    Whoever--
    (1) directly or indirectly, corruptly gives, offers or
    promises anything of value to any public official or
    person who has been selected to be a public official, or
    offers or promises any public official or any person who
    has been selected to be a public official to give anything
    of value to any other person or entity, with intent–
    (A) to influence any official act; or
    (B) to influence such public official or person who has
    been selected to be a public official to commit or aid in
    committing, or collude in, or allow, any fraud, or make
    opportunity for the commission of any fraud, on the
    United States; or
    (C) to induce such public official or such person who has
    been selected to be a public official to do or omit to do
    any act in violation of the lawful duty of such official or
    person;
    commits a federal offense. 
    18 U.S.C. § 201
    (b). Similarly, § 201(b)(2), involving
    Wilson, provides:
    Whoever--
    being a public official or person selected to be a public
    official, directly or indirectly, corruptly demands, seeks,
    receives, accepts, or agrees to receive or accept anything
    of value personally or for any other person or entity, in
    return for:
    (A) being influenced in the performance of any official
    act;
    (B) being influenced to commit or aid in committing, or
    to collude in, or allow, any fraud, or make opportunity
    for the commission of any fraud, on the United States;
    or
    (C) being induced to do or omit to do any act in violation
    of the official duty of such official or person;
    commits a federal offense. 
    18 U.S.C. § 201
    (b)(2).
    As shown above, an individual hired as a contract employee by a federal
    agency can qualify as a “public official” under 
    18 U.S.C. § 201
    (a)(1). See United
    10
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    States v. Thomas, 
    240 F.3d 445
    , 448 (5th Cir. 2001) (prison guard qualified as a
    “public official”, even though he was employed by a private company contracted
    by INS). Relying upon Supreme Court precedent from United States v. Dixson,
    
    465 U.S. 482
    , 496-97 (1984), as well as case law outside our circuit, our court
    observed in Thomas: “Because the officers were charged with abiding by federal
    guidelines . . . , they ‘assumed the quintessentially official role of administering
    a social service program established by . . . Congress.’” Thomas, 
    240 F.3d at 447
    (quoting Dixson, 
    465 U.S. at 497
    ). The prison guard in Thomas was held to be
    a “public official” because he “occupied a position of public trust with official
    federal responsibilities, because he acted on behalf of the United States under
    the authority of a federal agency which had contracted with his employer”. 
    Id.
    at 448 (citing United States v. Neville, 
    82 F.3d 1101
    , 1106 (D.C. Cir. 1996)); see
    also United States v. Kenney, 
    185 F.3d 1217
    , 1221-23 (11th Cir. 1999) (employee
    of engineering firm contracted to the Air Force, tasked with procuring and
    approving materials and equipment, qualified as a “public official” for purposes
    of 
    18 U.S.C. § 201
    (a)(1)).
    Defendants take a more narrow position; they contend Wilson cannot
    qualify as a “public official” because the nature of the bribery occurred outside
    of the scope of his contractual duties with USACE. That is, he had no official
    duties related to the project; and, because the bribery scheme involved a project
    outside of his official duties with USACE, he cannot qualify as a public official
    under the bribery statute.
    We disagree. For the reasons that follow, the project’s being outside
    Wilson’s scope of official duties is of no consequence to his being a “public
    official” for purposes of 
    18 U.S.C. § 201
    .
    First, the definitional section of § 201(a), i.e., the definition of “public
    official” for purposes of the Act, imposes no requirement that a bribed “employee”
    be acting within his official functions to effect a bribe. United States v. Gjieli,
    11
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    717 F.2d 968
    , 972 (6th Cir. 1983). “The focus of this section is . . . not upon . . .
    the bribed individual’s ability to effect a result.” 
    Id. at 976
    . The bribery statute
    applies, “regardless of whether . . . the acts to be accomplished are within the
    scope of the actual lawful duties of the bribed public official and regardless of
    whether the briber has correctly perceived the precise scope of the official’s
    lawful duties”. Id.; see also United States v. Evans, 
    572 F.2d 455
    , 481 (5th Cir.
    1978) (bribed public official “incorrect in asserting that the government was
    required to prove that the unlawful compensation was earmarked for a
    particular matter then pending before [defendant] and over which he had
    authority”, in context of §201(g)).
    Second, Congress intended the bribery statute to be applied broadly. See
    United States v. Westmoreland, 
    841 F.2d 572
    , 577 (5th Cir. 1988) (“[I]t is clear
    that Congress has cast a broad net . . . .”); United States v. Romano, 
    879 F.2d 1056
    , 1060 (2d Cir. 1989) (“The [Supreme] Court stressed that the bribery
    statute was drafted with broad jurisdictional language . . . to reach all people
    performing activities for the federal government, regardless of the form of
    federal authority.” (emphasis added)). Instead of a “cramped reading”, § 201(a)
    is “accurately characterized as a comprehensive statute applicable to all persons
    performing activities for or on behalf of the United States”. Dixson, 
    465 U.S. at 496
    .
    Wilson’s job carried with it “a significant measure of public trust, which
    [is] . . . the touchstone for determining whether an individual is a public official”.
    Neville, 
    82 F.3d at
    1106 (citing Dixson, 
    465 U.S. at 496
    ). As a construction
    manager for waterway improvements, he was an integral part of USACE’s post-
    Katrina rebuilding efforts. And, needless to say, this position of public trust
    gave Wilson proximity to the illegal activity. He was a critical vessel through
    which Miranda and Heinrich moved confidential information from USACE to
    Manson Gulf, and his employment placed him at a critical juncture to effectuate
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    the bribery scheme: his desk was directly adjacent to Miranda, they spoke of
    their scheme at their office; Wilson used his USACE computer to download and
    transfer files; and he passed confidential information and computer data to and
    from Miranda while he was engaged at work.             Simply stated, his position
    enabled him to become a key part of this criminal activity.
    2.
    In this regard, defendants contend the district court erred by instructing
    the jury that Miranda and Wilson were “public officials”. They claim the issue
    was instead a factual matter for the jury. See United States v. Gaudin, 
    515 U.S. 506
    , 522-23 (1995) (“[A] criminal defendant [has] the right to have a jury
    determine . . . his guilt of every element of the crime . . . .”).
    It is well established that questions of law are issues typically not
    dependant “upon the probative value of the evidence” and are therefore decided
    by the court; questions of fact are submitted to the jury.           United States v.
    Vidaure, 
    861 F.2d 1337
    , 1340 (5th Cir. 1988). Two circuits have determined that
    whether a defendant is a public official subject to 
    18 U.S.C. § 201
     is a question
    of law. See United States v. Hang, 
    75 F.3d 1275
    , 1279 (8th Cir. 1996) (holding
    determination of public-official status is question of law); United States v.
    Madeoy, 
    912 F.2d 1486
    , 1494 (D.C. Cir. 1990). Similarly, in reserving judgment
    on whether “public official” is question of law or fact, a third circuit affirmed a
    jury instruction which provided: “The term ‘public official’ thus includes an
    employee of a private corporation who acts for or on behalf of the federal
    government pursuant to a contract.” Kenney, 
    185 F.3d at 1223
    . There, the jury
    was also instructed that it needed only to find that defendant “possessed some
    degree of official responsibility for carrying out a federal program or policy” in
    order to qualify as a “public official” pursuant to § 201. Id.
    In any event, for purposes of deciding this issue, we need not decide
    whether a defendant’s qualification as a “public official” is always a question of
    13
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    law. On this record, it was not reversible error for the district court to instruct
    the jury that Wilson and Miranda were public officials.
    Along this line, there was no factual dispute for a jury to decide.
    Defendants never asserted that Wilson and Miranda were not contractors
    working for USACE. In fact, Wilson testified at trial that he had been a contract
    consultant working for USACE. Additionally, Wilson and Miranda did not
    dispute they were contract consultants for USACE at the time their criminal
    activity occurred. Any disputes by defendants were purely questions of statutory
    interpretation–a question of law, not fact. Because the term “public official”
    includes an employee of a private corporation who acts on behalf of the
    Government pursuant to a federal contract, and because all parties agreed on
    the contractual nature of Miranda’s and Wilson’s employment, there was no
    question of fact for the jury to decide on that point.
    Similarly, Wilson’s insistence it was for the jury to decide whether
    Miranda intended to interfere with USACE’s bidding process in his capacity as
    a public official is also a legal, not a factual, issue. As our court stated in United
    States v. Baymon, 
    312 F.3d 725
    , 729 (5th Cir. 2002), whether a person qualifies
    as a public officer hinges upon the person’s official responsibilities with the
    Government, not whether the person intended to act as a “public official” within
    the nature of the bribery scheme.
    C.
    Wilson challenges three trial evidentiary rulings. He contests the district
    court’s:   permitting lay opinion testimony from a Government witness on
    technical computer information; not permitting expert testimony by a defense
    witness regarding Government computer operations; and prohibiting several
    character witnesses from testifying at trial on Wilson’s lack of motivation by
    financial reward.
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    A decision to admit or exclude evidence is reviewed for abuse of discretion.
    United States v. Cantu, 
    167 F.3d 198
    , 203 (5th Cir.1999); see F ED. R. E VID. 103.
    “A trial court abuses its discretion when its ruling is based on an erroneous view
    of the law or a clearly erroneous assessment of the evidence.” United States v.
    Yanez Sosa, 
    513 F.3d 194
    , 200 (5th Cir. 2008) (quoting United States v.
    Ragsdale, 
    426 F.3d 765
    , 774 (5th Cir. 2005)); see F ED. R. E VID. 103(a) (error
    cannot be based upon exclusion of evidence unless party’s substantial rights are
    affected).
    1.
    CID Agent Clayton, assigned to investigate the bribery scheme, testified
    about information he obtained from USACE e-mail accounts of the persons
    working on the project’s source-selection committee. He also testified about his
    review of Wilson’s USACE e-mail account.         The import of Agent Clayton’s
    testimony was Wilson’s attempt to conceal the content of his sent e-mails
    containing confidential information about the project. Agent Clayton testified
    to his review of the e-mail inboxes of Wilson and everyone in USACE’s source-
    selection committee; he determined, based upon Wilson’s empty sent-box, that
    Wilson “deleted the sent folder of all the e-mails prior to [4 October 2006]”.
    Wilson challenges this testimony, claiming it had to be introduced as expert
    opinion.
    “The case law is not completely clear on where to draw the line between
    expert and lay testimony.” United States v. Caldwell, 
    586 F.3d 338
    , 348 (5th Cir.
    2009). While it is true testimony requiring specialized training and experience
    should be admitted as expert testimony, see Doddy v. Oxy USA, Inc., 
    101 F.3d 448
    , 460-61 (5th Cir. 1996), “[t]he trend in the circuits seems to turn on whether
    the testimony falls within the realm of knowledge of the average lay person”,
    Caldwell, 
    586 F.3d at 348
    . In other words, for this issue, testimony about a
    computer may suggest technical expertise, but that does not necessarily mean
    15
    Case: 09-30742 Document: 00511293321 Page: 16 Date Filed: 11/15/2010
    No. 09-30742
    such testimony requires satisfying the standard for expert testimony. See also
    Bryant v. Farmers Ins. Exch., 
    432 F.3d 1114
    , 1124 (10th Cir. 2005) (“A
    mathematical calculation well within the ability of anyone with a grade-school
    education is . . . more aptly characterized as a lay opinion . . . .”).
    Agent Clayton’s testimony is closer to lay, than expert, opinion.       He
    testified he was not a forensic examiner, he did not use forensic software in
    reviewing the e-mails, and his computer background was limited to “a normal
    computer user of Microsoft Office products”.        It was obvious from both his
    background and the nature of his testimony that his examination of Wilson’s e-
    mail account did not require “scientific, technical or other specialized
    knowledge”, F ED. R. E VID. 702; instead, his testimony fell “within the realm of
    knowledge of the average lay person”, Caldwell, 
    586 F.3d at 348
    .
    In short, Agent Clayton’s testimony was based on reasoning familiar in
    everyday life. Yanez Sosa, 
    513 F.3d at 200
    . Thus, the district court did not
    abuse its discretion in admitting it.
    2.
    In a related issue, Wilson contends the district court erred in refusing to
    qualify as an expert witness a defense witness in the field of general technology
    information systems.      Wilson proffered the witness in rebuttal to Agent
    Clayton’s testimony and to testify that Wilson’s e-mail could not be deleted from
    the server, even if deleted at the user’s computer. The proffered expert, Stroud,
    was an expert in Microsoft Outlook, but was unfamiliar with USACE’s system
    or retention policies and had no personal experience with a federal agency.
    Moreover, Stroud informed the court it was impossible for him to testify on
    whether Wilson intentionally deleted e-mails from his desktop or laptop
    computers.
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    Case: 09-30742 Document: 00511293321 Page: 17 Date Filed: 11/15/2010
    No. 09-30742
    a.
    For obvious reasons, “district courts are given ‘wide latitude in
    determining the admissibility of expert testimony, and the discretion of the trial
    judge . . . will not be disturbed on appeal unless manifestly erroneous’”. United
    States v. Cooks, 
    589 F.3d 173
    , 179 (5th Cir. 2009) (quoting Watkins v. Telsmith,
    Inc., 
    121 F.3d 984
    , 988 (5th Cir.1997)). Before a district court allows a witness
    to testify as an expert, it must be assured the proffered witness is qualified by
    virtue of his “‘knowledge, skill, experience, training or education’”. Cooks, 
    589 F.3d at 179
     (quoting F ED. R. E VID. 702). “A district court should refuse to allow
    an expert witness to testify if it finds that the witness is not qualified to testify
    in a particular field or on a given subject.” Cooks, 
    589 F.3d at
    179 (citing Wilson
    v. Woods, 
    163 F.3d 935
    , 937 (5th Cir. 1999)).
    There was no manifest error in not allowing Stroud to testify as an expert
    witness.   He lacked experience with federal agencies, was unfamiliar with
    USACE’s system and policies, and stated he could not testify as to whether
    Wilson intentionally deleted his e-mail files. Moreover, even if Stroud had
    testified about USACE’s Outlook server, the relevant issue was not whether the
    e-mails were backed-up on a USACE server; rather, it was whether Wilson had
    previously deleted the e-mails from the sent-box on his computer, a fact Wilson
    had admitted.
    b.
    And, as discussed supra, even assuming the district court erred by denying
    such expert-witness testimony, we must decide whether the error was harmless:
    “affirming the judgment unless the ruling affected a substantial right of the
    complaining party”. United States v. Norris, 
    217 F.3d 262
    , 268 (5th Cir. 2000);
    see F ED. R. E VID . 103(a). Whether an error affects a substantial right of the
    defendant depends upon “‘whether the trier of fact would have found the
    defendant guilty beyond a reasonable doubt with the additional evidence
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    No. 09-30742
    inserted’”. United States v. Tucker, 
    345 F.3d 320
    , 327 (5th Cir. 2003) (quoting
    United States v. Roberts, 
    887 F.2d 534
    , 536 (5th Cir. 1989)).
    Because of the substantial evidence presented by the Government
    unrelated to Wilson’s e-mails, any error pertaining to the admissibility of
    Stroud’s expert testimony was harmless. There was already sufficient evidence
    to support Wilson’s collusion with Heinrich and Miranda. Cooks, 
    589 F.3d at 180
    .
    3.
    Wilson’s final contention is that the district court erred by excluding
    pertinent character witnesses. Only upon rare instances, and with a “clear
    showing of prejudicial abuse of discretion”, will we reverse a district court’s
    limiting character witnesses. United States v. Gray, 
    105 F.3d 956
    , 963 (5th Cir.
    1997) (quoting Michelson v. United States, 
    335 U.S. 469
    , 480 (1948)).
    Of the six character witnesses permitted to testify to Wilson’s reputation
    for honesty and integrity, only two were permitted to testify to their belief that
    Wilson was not substantially motivated by financial profit, even though the
    other four witnesses had known Wilson for significant periods of time. In other
    words, Wilson maintains the district court committed reversible error because,
    of the six character witnesses permitted to testify, the only two allowed to testify
    as to Wilson’s lack of motive for financial profit had known him the shortest
    period of time.
    The district court did not abuse its discretion; Wilson has not made the
    requisite showing of prejudice. The district court placed no limitation on the
    jury’s consideration of any of the character witnesses; the instructions charged
    jurors to “consider such evidence along with all the other evidence in the case”.
    Moreover, the instructions informed jurors that character evidence “may give
    rise to a reasonable doubt, since you may think it improbable that a person of
    good character in respect to those traits would commit such a crime”.
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    No. 09-30742
    Additionally, the Government asked relatively few questions of the character
    witnesses.
    Wilson’s reliance upon United States v. John, 
    309 F.3d 298
     (5th Cir. 2002),
    is misplaced. In John, the district court committed reversible error because it
    failed to instruct the jury that it could consider evidence of defendant’s good
    character; John does not hold (as Wilson suggests) that a district court commits
    reversible error by limiting the number of character witnesses. In John, the
    district court permitted defendant to introduce several witnesses to testify to
    defendant’s good character, but denied defendant’s request for a jury instruction
    regarding character. John, 
    309 F.3d at 300
    . Here, the district court not only
    permitted the introduction of evidence that would establish Wilson’s character
    as a law-abiding citizen, but also properly instructed the jury that it could
    consider evidence of Wilson’s good character.
    Given the district court’s broad discretion, see United States v. Parziale,
    
    947 F.2d 123
    , 129 (5th Cir. 1991), together with the fact that the two character
    witnesses who did testify as Wilson intended had worked with him in the
    months preceding his employment with USACE, and that three of the other four
    witnesses broke their association with Wilson before he moved to New Orleans,
    Wilson was not prejudiced by the district court’s ruling. Moreover, Wilson
    argued in his closing that he lacked motive for financial profit. There is simply
    no reason to believe Wilson’s verdict would have been different had four more of
    his character witnesses testified to his motivation in participating in the Katrina
    clean-up.
    III.
    For the foregoing reasons, the judgments are AFFIRMED.
    19