United States v. Anudu ( 1996 )


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  • UNPUBLISHED
    UNITED STATES COURT OF APPEALS
    FOR THE FOURTH CIRCUIT
    UNITED STATES OF AMERICA,
    Plaintiff-Appellee,
    v.
    No. 92-5756
    EMMANUEL IKECHUKWU ANUDU, a/k/a
    Cletis, a/k/a Claytus,
    Defendant-Appellant.
    UNITED STATES OF AMERICA,
    Plaintiff-Appellee,
    v.                                No. 92-5772
    EMMANUEL ODEMENA,
    Defendant-Appellant.
    UNITED STATES OF AMERICA,
    Plaintiff-Appellee,
    v.                                No. 92-5783
    CHIJIOKE CHUCKWUMA, a/k/a Mark,
    Defendant-Appellant.
    UNITED STATES OF AMERICA,
    Plaintiff-Appellee,
    v.                                No. 92-5784
    CYRIACUS AKAS a/k/a Koots,
    Defendant-Appellant.
    UNITED STATES OF AMERICA,
    Plaintiff-Appellee,
    v.                                No. 92-5785
    EMMANUEL OKOLI,
    Defendant-Appellant.
    UNITED STATES OF AMERICA,
    Plaintiff-Appellee,
    v.                                No. 92-5800
    CHUKS EVARISTUS NWANERI,
    Defendant-Appellant.
    UNITED STATES OF AMERICA,
    Plaintiff-Appellee,
    v.
    No. 92-5839
    CHARLES ONWUAZOMBE, a/k/a Ebele
    Onwuazor,
    Defendant-Appellant.
    UNITED STATES OF AMERICA,
    Plaintiff-Appellee,
    v.
    No. 92-5864
    JEROME OKOYE ONWUAZOR, a/k/a
    Peter,
    Defendant-Appellant.
    2
    Appeals from the United States District Court
    for the District of Maryland, at Baltimore.
    John R. Hargrove, Senior District Judge.
    (CR-91-305-HAR)
    Argued: September 29, 1995
    Decided: February 16, 1996
    Before MURNAGHAN, ERVIN, and WILKINS, Circuit Judges.
    _________________________________________________________________
    Affirmed by unpublished opinion. Judge Ervin wrote the opinion, in
    which Judge Murnaghan and Judge Wilkins joined.
    _________________________________________________________________
    COUNSEL
    ARGUED: George Allan Epstein, Baltimore, Maryland; Paul Francis
    Kemp, Rockville, Maryland, for Appellants. Jan Paul Miller, Assis-
    tant United States Attorney, Robert Reeves Harding, Assistant United
    States Attorney, Baltimore, Maryland, for Appellee. ON BRIEF:
    James C. Savage, Rockville, Maryland, for Appellant Onwuazor;
    Walter C. McCord, Jr., Baltimore, Maryland, for Appellant Anudu;
    Robert L. Bloom, Baltimore, Maryland, for Appellant Odemena; Dar-
    rel L. Longest, Germantown, Maryland, for Appellant Akas; Benja-
    min F. Neil, Baltimore, Maryland, for Appellant Nwaneri; Alan C.
    Drew, Upper Marlboro, Maryland, for Appellant Onwuazombe.
    Lynne A. Battaglia, United States Attorney, Baltimore, Maryland, for
    Appellee.
    _________________________________________________________________
    Unpublished opinions are not binding precedent in this circuit. See
    Local Rule 36(c).
    3
    OPINION
    ERVIN, Circuit Judge:
    Cyriacus Akas, Emmanuel Anudu, Chijioke Chuckwuma, Chuks E.
    Nwaneri, Emmanuel Odemena, Emmanuel Okoli, Charles Onwua-
    zombe, and Jerome Onwuazor were convicted in the District of Mary-
    land of violating federal controlled-substances laws. They raise
    various issues on appeal. We find no grounds for reversal among their
    challenges to the admissibility of certain evidence, the sufficiency of
    the evidence, the jury instructions, and the district court's application
    of the United States Sentencing Guidelines.1 We agree, however, that
    the government failed to properly establish venue for Counts XII and
    XIII, which involved two instances of heroin distribution by Onwua-
    zor and Okoli. Accordingly, we vacate the convictions under those
    two counts and affirm on all remaining counts.
    I.
    Federal subject matter jurisdiction over this case is grounded in the
    statutes defining the various offenses. It is not contested. Appellate
    jurisdiction lies under 
    28 U.S.C. § 1291
    . We address particular facts
    and standards of review in the portions of the opinion to which they
    are relevant.
    II.
    A. Venue
    Appellants Onwuazor and Okoli contend that venue in the District
    of Maryland was improper for Counts XII and XIII. Count XII
    charged Onwuazor with distribution of heroin on or about May 9,
    1991. Count XIII charged Onwuazor and Okoli with distribution of
    _________________________________________________________________
    1 In addition to the defendants' joint brief, supplemental pro se briefs
    were submitted by Chijioke, Okoli, and Onwuazombe. We have consid-
    ered their arguments, and find them to be without merit.
    4
    heroin on or about May 15, 1991. Otherwise the Counts were identical.2
    The prosecution must establish venue by a preponderance of the evi-
    dence, and the trial court's decision is reviewed by this court de novo.
    United States v. Newsom, 
    9 F.3d 337
    , 338 (4th Cir. 1993). Venue is
    proper "in [any] district in which the offense was committed." Fed.
    _________________________________________________________________
    2 Both counts are replicated below:
    COUNT XII
    And the Grand Jury for the District of Maryland further
    charges that:
    On or about May 9, 1991, in the State of New York, the State
    and District of Maryland, and elsewhere,
    JEROME OKOYE ONWUAZOR
    a/k/a Peter
    the defendant herein, did knowingly, willfully and intentionally
    distribute a quantity of a mixture or substance containing a
    detectable amount of heroin, a Schedule I narcotic drug con-
    trolled substance.
    
    21 U.S.C. § 841
    (a)
    
    18 U.S.C. § 2
    COUNT XIII
    And the Grand Jury for the District of Maryland further
    charges that:
    On or about May 15, 1991, in the State of New York, the State
    and District of Maryland, and elsewhere,
    JEROME OKOYE ONWUAZOR
    a/k/a Peter
    AND
    EMMANUEL OKOLI
    the defendants herein, did knowingly, willfully and intentionally
    distribute a quantity of a mixture or substance containing a
    detectable amount of heroin, a Schedule I narcotic drug con-
    trolled substance.
    
    21 U.S.C. § 841
    (a)
    
    18 U.S.C. § 2
    5
    R. Crim. P. 18. The acts constituting commission are determined by
    the verbs used to define the crime. United States v. Walden, 
    464 F.2d 1015
    , 1018-19 (4th Cir.), cert. denied sub nom. , Ard v. United States,
    
    409 U.S. 867
     (1972), cert. denied sub nom., Cook v. United States,
    
    410 U.S. 969
     (1973). The operative verb in Counts XII and XIII is
    "distribute."
    The government presented evidence that Onwuazor made a transfer
    of heroin to DEA Special Agent Dwayne M. Dodds on May 9 at
    Onwuazor's apartment in Queens, New York, and that Onwuazor and
    Okoli delivered two samples to Dodds and Special Agent Will Plum-
    mer on May 15 at a diner in Queens. Despite the correlation of that
    evidence with Counts XII and XIII, the government claims on appeal
    that the counts "relate not only to the New York samples but also to
    the larger quantities of drugs from which the samples came," quanti-
    ties that "ultimately w[ere] distributed" in Maryland on or about the
    same dates. But it neither claims nor points to any evidence indicating
    that Onwuazor and Okoli personally delivered any heroin in Mary-
    land on or about the dates in question. Instead it claims, under three
    theories,3 that these appellants' actions in New York were sufficiently
    related to the deliveries in Maryland to support venue in the District
    of Maryland.
    1.
    The government's first theory is that distribution is a "continuing
    crime," and thus may be prosecuted in any district where it was
    "begun, continued, or completed." 18 U.S.C.§ 3237(a) (1988). These
    appellants' actions in New York, it contends, were part of a continu-
    ing crime of distribution that culminated in deliveries in Maryland.
    The trial judge agreed, stating: "I think distribution can be a continu-
    ous thing."
    Circuits that have addressed this issue are divided. The Second Cir-
    cuit has held that distribution is not a continuing crime, see United
    States v. Lartey, 
    716 F.2d 955
    , 967 (2nd Cir. 1983), but the First and
    _________________________________________________________________
    3 The district court instructed the jury on all three theories. We discuss
    the first theory in part II.A.1, infra, and the two alternative theories in
    part II.A.2, infra.
    6
    Eleventh Circuits have held that it is. United States v. Georgacarakos,
    
    988 F.2d 1289
    , 1293 (1st Cir. 1993); United States v. Brunty, 
    701 F.2d 1375
    , 1380-82 (11th Cir.), cert. denied, 
    464 U.S. 848
     (1983). In
    Georgacarakos, the First Circuit did not adequately distinguish distri-
    bution from the separate crime of possession with intent to distribute,
    which undisputedly is a continuing offense. Cf. United States v.
    Bruce, 
    939 F.2d 1053
    , 1055 (D.C. Cir. 1991) (noting that "the actual
    distribution is a separate crime"). It stated only that "[d]istribution and
    possession with intent to distribute are continuing crimes," 
    988 F.2d at 1293
    ; moreover, the cases it cited for support do not deal at all with
    the separate crime of distribution, but hold merely that "possession of
    drugs with intent to distribute [is] a continuing crime." United States
    v. Kiser, 
    948 F.2d 418
    , 425 (8th Cir. 1991), cert. denied, 
    503 U.S. 983
    (1992); accord United States v. Uribe, 
    890 F.2d 554
    , 559 (1st Cir.
    1989). The Eleventh Circuit focused more particularly on distribution.
    It supported its conclusion with cases that, while not directly on point,
    affirmed distribution convictions of defendants who were involved in
    the transactions in question but were not present when the substances
    actually changed hands. Brunty, 701 F.2d at 1380-82 (citing, e.g.,
    United States v. Wilson, 
    657 F.2d 755
    , 761-62 (5th Cir. 1981)
    ("``Activities in furtherance of the ultimate sale--such as vouching for
    the quality of the drugs, negotiating for or receiving the price, and
    supplying or delivering the drug[s]--are sufficient to establish distri-
    bution'" (quoting United States v. Wigley, 
    627 F.2d 224
    , 225-26 (10th
    Cir. 1980))), cert. denied, 
    455 U.S. 951
     (1982); United States v.
    Davis, 
    564 F.2d 840
    , 844-45 (9th Cir. 1977) (upholding distribution
    conviction of doctor who improperly issued prescriptions), cert.
    denied, 
    434 U.S. 1015
     (1978)).
    Neither Georgacarakos nor Brunty acknowledged Blockburger v.
    United States, in which the Supreme Court addressed the issue under
    the now-superseded Harrison Narcotics Act. 
    284 U.S. 299
    , 302-03
    (1932) (holding that a defendant may be charged separately for each
    of multiple deliveries). The Blockburger Court stated that a continu-
    ing crime is not one defined by a single occurrence:
    A distinction is laid down in adjudged cases and in text-
    writers between an offence continuous in its character . . .
    and a case where the statute is aimed at an offence that can
    be committed uno ictu.
    7
    284 U.S. at 302 (quoting In re Snow, 
    120 U.S. 274
    , 286 (1887)). The
    Court interpreted distribution to mean a distinct event, not an ongoing
    enterprise. 
    Id.
     It held, therefore, that distribution is not a continuing
    offense. 
    Id. at 302-03
    .
    The Harrison Narcotics Act has been replaced, but Blockburger's
    reasoning is equally applicable to the current statute. Congress now
    defines "distribute" as "to deliver," which in turn means "the actual,
    constructive, or attempted transfer of a controlled substance." 
    21 U.S.C. § 802
    (8), (11) (1988). Delivery is a single event, not a continu-
    ing operation, so distribution is not a continuing crime.
    2.
    The government argues in the alternative that we should sustain
    these appellants' convictions under either an aiding and abetting or a
    Pinkerton theory of liability, without regard to the events in New
    York. Aiding and abetting is implied by indictment for any crime, and
    need not be separately specified. E.g., United States v. Duke, 
    409 F.2d 669
    , 671 (4th Cir. 1969), cert. denied, 
    397 U.S. 1062
     (1970). The
    Pinkerton theory allows a coconspirator to be convicted of a substan-
    tive offense that he neither participated in nor aided and abetted if the
    offense was committed in furtherance of the conspiracy. Pinkerton v.
    United States, 
    328 U.S. 640
    , 646-47 (1946). Thus Onwuazor and
    Okoli could be held liable for distributions in which they did not par-
    ticipate if it were proven that the distributions (1) actually occurred,
    and (2) either were aided and abetted by Onwuazor and Okoli or were
    in furtherance of a conspiracy of which they were members. There is
    sufficient evidence in the record to support a verdict based on either
    theory.
    3.
    That the evidence could have supported an aiding and abetting or
    Pinkerton verdict does not end the inquiry, however. It is likely that
    the jury based its verdicts under Counts XII and XIII entirely on the
    transactions in Queens, without deciding whether the alleged deliver-
    ies in Maryland actually occurred. That would be permissible if distri-
    bution were a continuing offense, because the ultimate deliveries in
    Maryland would not be elements of the crime. This court could find
    8
    de novo and by a preponderance of the evidence that a chain of distri-
    bution led to Maryland, so venue would be proper in Maryland over
    prosecutions for transfers in Queens. Under the aiding and abetting
    and Pinkerton theories, however, the ultimate deliveries in Maryland
    are elements of the offense, so the jury must find beyond a reasonable
    doubt that those deliveries occurred. Although the evidence is suffi-
    cient that the jury could have made such a finding, we cannot be sure
    that it actually did. A conviction cannot stand if it is unclear whether
    the jury's verdict was based on a permissible or impermissible
    ground:
    a general verdict must be set aside if the jury was instructed
    that it could rely on any of two or more independent
    grounds, and one of those grounds is insufficient, because
    the verdict may have rested exclusively on the insufficient
    ground.
    Zant v. Stephens, 
    462 U.S. 862
    , 881 (1983); Terminiello v. Chicago,
    
    337 U.S. 1
    , 5-6 (1949); Cramer v. United States , 
    325 U.S. 1
    , 36 n.45
    (1945); Williams v. North Carolina, 
    317 U.S. 287
    , 292 (1942)).
    Because a verdict based solely on the events in New York would be
    impermissible, we must reverse the convictions under Counts XII and
    XIII.
    B. Jury Instructions
    The appellants contest several portions of the trial court's charge
    to the jury. To determine whether a particular instruction was errone-
    ous, we must view it "in the context of the overall charge." Cupp v.
    Naughten, 
    414 U.S. 141
    , 146-47 (1973). Regarding most issues, we
    reverse only if there is "a ``reasonable likelihood,' i.e., more than a
    mere possibility, that the jury misconstrued the instruction," United
    States v. Cobb, 
    905 F.2d 784
    , 789 n.8 (4th Cir. 1990) (quoting Boyde
    v. California, 
    110 S. Ct. 1190
    , 1198 (1990)), cert. denied sub nom.,
    Hatcher v. United States, 
    498 U.S. 1049
     (1991), and the misconstruc-
    tion "prejudice[d] the jury's consideration of the dispositive issue,"
    United States v. Davis, 
    739 F.2d 172
    , 175 (4th Cir. 1984). If the error
    involves the instruction on reasonable doubt, however, it can never be
    harmless, so we must reverse if we find a "reasonable likelihood that
    9
    the jury applied the instruction in an unconstitutional manner." See
    Victor v. Nebraska, 
    114 S. Ct. 1239
    , 1243 (1994).
    1.
    The appellants contend that the district court's instruction on rea-
    sonable doubt was constitutionally deficient. The trial court stated:
    Now, the fact that the defendant has been indicted by the
    grand jury raises no presumption whatever of guilt on the
    part of the defendant; that is, you should not assume that the
    accused is guilty merely because he is being prosecuted and
    because criminal charges have been filed against him. He
    comes into court presumed to be innocent and that presump-
    tion of innocence remains with him throughout his trial until
    the government overcomes it by evidence of the defendant's
    guilt beyond a reasonable doubt as to each and every ele-
    ment of the offense.
    The government has the burden of proof to show that the
    defendant is guilty of the crime for which he is charged; and
    the degree of proof that is necessary for the government to
    produce is proof that the defendant is guilty beyond a rea-
    sonable doubt.
    Also, the concurrence of the twelve minds of the jury is
    necessary to find the defendant guilty or not guilty. If, after
    considering all of the evidence and circumstances in this
    case, any one member of the jury has a reasonable doubt of
    the guilt of any defendant, then that juror cannot consent to
    a verdict of guilty. The burden is upon the government to
    prove all elements of the alleged crime and to do so beyond
    a reasonable doubt.
    Now, while the burden is upon the government to estab-
    lish by proof every material fact as to the guilt of the defen-
    dants beyond a reasonable doubt, that does not mean that the
    10
    government must prove the defendants guilty to an absolute
    or mathematical certainty.4
    The appellants contend not that the alleged definition was inaccurate,
    but that it was incomplete and misleading. They argue that it focused
    only on "what the government did not have to prove," and thus failed
    to emphasize the high level of proof required to eliminate reasonable
    doubt. Without that emphasis, they conclude, the jury may have
    applied a lesser burden of proof than that required by the constitution.
    The Supreme Court addressed a nearly identical instruction in
    Victor v. Nebraska. Petitioner Sandoval5 contested the trial judge's
    instruction that "a reasonable doubt is ``not a mere possible doubt.'"
    Victor, 
    114 S. Ct. at 1248
    . The Court rejected Sandoval's argument
    because the high level of proof required is implicit in the term "rea-
    sonable doubt": "[A] ``reasonable doubt,' at a minimum, is one based
    upon ``reason.' A fanciful doubt is not a reasonable doubt." 
    Id.
     (inter-
    nal quotations and citations omitted).
    We addressed an instruction even more similar to the instruction in
    this case in United States v. Adkins. The Adkins trial court did not
    specify the level of proof required to eliminate reasonable doubt, but
    did state that "it is not necessary that a defendant's guilt be proved
    beyond all possible doubt." 
    937 F.2d 947
    , 949 (4th Cir. 1991). We
    affirmed, holding that the trial court accurately stated that the govern-
    ment's burden is not "beyond all possible doubt," and properly left
    reasonable doubt to its "self-evident meaning comprehensible to the
    lay juror." 
    Id. at 950
     (quotation and citation omitted). In its instruc-
    _________________________________________________________________
    4 The parties disagree about whether the final paragraph of the instruc-
    tion was an "attempt to define" reasonable doubt or a mere "comment."
    Their arguments are irrelevant, however, because the Supreme Court
    recently clarified that "the Constitution neither prohibits trial courts from
    defining reasonable doubt nor requires them to do so," if, "taken as a
    whole," their instructions "impress[ ] upon the factfinder the need to
    reach a subjective state of near certitude of the guilt of the accused."
    Victor, 
    114 S. Ct. at 1243, 1247
     (internal quotations and citations omit-
    ted).
    5 The Supreme Court paired Sandoval v. California with Victor v.
    Nebraska.
    11
    tions in this case, the trial court repeated "reasonable doubt" five
    times. Because the standard's meaning is self-evident, there is no
    "reasonable likelihood that the jury applied it in an unconstitutional
    manner." Victor, 
    114 S. Ct. at 1243
    .
    2.
    The appellants also contest the district court's instruction, to which
    they objected at trial, that a witness ordinarily is assumed to speak
    truthfully:
    You, as jurors, are the sole judges of the credibility of the
    witnesses and the weight their testimony deserves. Ordinar-
    ily, it is assumed that a witness will speak the truth. But this
    assumption may be dispelled by the appearance and conduct
    of the witnesses, or by the manner in which the witnesses
    testified, or by the character of the testimony given.
    The government acknowledges that a "presumption of truthfulness"
    instruction constitutes error, but argues that it was harmless in this
    case.
    The appellants cite United States v. Varner, in which we held that
    a similar instruction was not harmless under the circumstances. 
    748 F.2d 925
    , 927 (4th Cir. 1984)). But the trial judge in Varner placed
    great emphasis on a "presumption" of truthfulness. After stating the
    existence of the presumption, he listed factors that could outweigh it.
    He concluded: "[I]f you find the presumption of truthfulness to be
    outweighed as to any witness you will give the testimony of that wit-
    ness such credibility, if any, as you think it deserves." 
    748 F.2d at 926
    . In effect, the trial judge in Varner told the jury not to evaluate
    the credibility of a witness directly without first finding that the pre-
    sumption of truthfulness was outweighed by the factors he enumer-
    ated. Further compounding the error, he did not instruct the jury to
    apply the presumption of truthfulness to the defendant. Instead, he
    instructed them to "give [the defendant's] testimony such credence
    and belief as you may think it deserves," apparently without the need
    to first overcome the presumption of truthfulness. 
    Id. at 926-27
    .
    12
    The error in the instant case is not as egregious as that in Varner.
    The district judge did not speak in terms of a "presumption" that must
    be "outweighed" before a jury can evaluate directly the credibility of
    a witness. He used the term "assumption," but only after stating that
    "jurors . . . are the sole judges of the credibility of the witnesses and
    the weight their testimony deserves." He then elaborated at length on
    the jurors' responsibility to evaluate credibility, without mentioning
    assumption or presumption.6 Finally, the instruction did not distin-
    guish between the defendants and the government's witnesses.
    The instruction in this case more closely resembles that in United
    States v. Safley: "Ordinarily, it is assumed that a witness will speak
    the truth, but this assumption may be dispelled . . . ." 
    408 F.2d 603
    ,
    605 (4th Cir.), cert. denied, 
    395 U.S. 983
     (1969). The Safley court
    held that the "assumption" language was harmless error. It noted that
    the judge had instructed the jury properly that they were the sole
    judges of the facts, that they should consider carefully the credibility
    _________________________________________________________________
    6 The district court continued:
    You should carefully scrutinize all the testimony given, the cir-
    cumstances under which each witness has testified, and every
    matter in evidence which tends to indicate whether a witness is
    worthy of belief. Consider each witness's intelligence, motive
    and state of mind, and demeanor and manner while on the stand.
    Consider also any relation each witness might have to or be
    affected by the verdict, and the extent to which, if at all, each
    witness is either supported or contradicted by the other evidence
    in the case--contradicted by the evidence in the case. This
    applies to a defendant who takes the stand on his own behalf.
    Inconsistencies and discrepancies, even prior inconsistencies
    in statements in the testimony of a witness, or between the testi-
    mony of different witnesses, may or may not cause the jury to
    discredit such testimony. In weighing the effect of a discrepancy,
    always consider whether it is pertinent to the matter of impor-
    tance or an unimportant detail, and whether or not intentional
    falsehood. Credibility is not merely choosing between one wit-
    ness and another. As to each witness, you are free to reject all
    their testimony, accept all their testimony or as a third alterna-
    tive reject some parts and accept some other parts of that
    testimony.
    13
    of accomplices, and that the government had the burden to prove the
    defendants' guilt beyond a reasonable doubt. 
    Id.
     The Safley defen-
    dants had failed to object to the instruction at trial, but the court nev-
    ertheless decided the case on the merits, concluding that the jury was
    "not likely to have been misled by the erroneous instruction concern-
    ing the assumption of a witness' truthfulness." 
    Id. at 605-06
    . Simi-
    larly, in this case, the trial court used the "assumption" language only
    briefly, and did so during a lengthy description of the jury's autonomy
    in determining credibility. Thus it is not reasonably likely that the
    error "prejudice[d] the jury's consideration of the dispositive issue."
    3.
    The appellants contest what they describe as the court's "missing
    government evidence" instruction:
    The law does not require the prosecution to call as witnesses
    all who have been present at any time or place involved in
    this case, or who may appear to have some knowledge of the
    matters in issue in this trial. Nor does the law require the
    prosecution to produce all exhibits, all papers and things
    mentioned in the evidence.
    The appellants argue that the quoted instruction unfairly favored the
    government, because it did not convey to "the jury that it was entitled
    to consider the government's failure to present any particular item of
    relevant evidence in determining whether the government had met its
    burden of proof." The appellants base their argument on model
    instructions indicating that, if the trial court tells the jury that the
    prosecution need not present all evidence, it also should state that the
    jury may consider that failure to produce evidence. See 1 Edward J.
    Devitt & Charles B. Blackmar, Federal Jury Practice and
    Instructions § 17.18 (3d ed. 1977).
    In fact, as pointed out by the government, the district court did
    instruct the jury that it could consider the failure of the prosecution
    to produce certain evidence. While discussing investigative tech-
    niques, it stated that,
    14
    [f]or example, at some point fingerprints may not have been
    taken, or some other type of technique, or some certain leads
    might not have--not every possible lead pursued. You may
    consider these facts in deciding whether the government has
    met its burden of proof, because, as I told you, you should
    look at all of the evidence or lack of evidence in deciding
    whether the defendant is guilty. . . .
    Your concern, as I have said, is to determine whether or
    not, on the evidence or lack of evidence, a defendant's guilt
    has been proven beyond a reasonable doubt.
    The instruction on lack of evidence as an indication of innocence was
    not given in tandem with the instruction to which the appellants
    object, but it was given. If indeed there is an imbalance, it does not
    rise to the level of error. Nor does it create "a reasonable likelihood
    that the jury misconstrued the instruction." Craigo, 956 F.2d at 67.
    4.
    Finally, the appellants object to the instruction on circumstantial
    evidence:
    A defendant may be proved guilty by either direct or cir-
    cumstantial evidence. Direct evidence is the testimony of
    one who asserts actual knowledge of a fact, such as an eye-
    witness; circumstantial evidence is proof of such facts or
    circumstances connected with or surrounding the commis-
    sion of the crime charged as tend to show the guilt or inno-
    cence of the defendant. The law makes no distinction
    between direct and circumstantial evidence; it requires only
    that the jury, after weighing all the evidence, must be con-
    vinced of the guilt of the defendant beyond a reasonable
    doubt.
    The necessity to resort to circumstantial evidence to
    prove guilt is readily apparent since, by the nature of things,
    crimes are generally committed in secret, beyond the range
    of eyewitnesses. Guilty knowledge may be inferred from the
    circumstances, even when there is a positive denial.
    15
    The appellants claim that the instruction implied both "that circum-
    stantial evidence could operate only to prove guilt, not to establish
    innocence," and "that appellants were in fact guilty." They argue also
    that the instruction assumed a crime had been committed, leaving
    open only the issue of whether the appellants were the perpetrators,
    by defining circumstantial evidence as "proof of . . . facts or circum-
    stances surrounding the commission of the crime."
    a.
    The court spoke three times in this instruction of using circumstan-
    tial evidence to prove guilt, but only once of using it to prove "guilt
    or innocence." Greater emphasis on use of evidence to prove guilt is
    objectionable, but it is not without basis since only the prosecution is
    required to prove anything. To a jury cognizant of the burden of
    proof, and of its choice between "guilty" and"not guilty" rather than
    "guilty" and "innocent," such emphasis does not alone seem reason-
    ably likely to have prejudiced the jury's deliberations.
    However, the second paragraph of the excerpt--involving the com-
    mission of crimes in secret--makes the issue more problematic. The
    appellants argue that the paragraph
    did not instruct the jury as to any principle of law, but
    instead offered a tactical rationale for the manner in which
    the government had elected to present its case. Such a state-
    ment might have been appropriate by the government in its
    closing argument, but had no proper place in the court's
    instructions to the jury.
    We agree that the paragraph is imbalanced. As the appellants point
    out, it explained only why the prosecution needed to use circumstan-
    tial evidence. In effect, it invited the jury to give greater weight to cir-
    cumstantial evidence offered by the prosecution than to circumstantial
    evidence offered by the defense, based solely on the debatable, nonle-
    gal premise that "crimes are generally committed in secret." Even the
    government nearly admits that the paragraph was erroneous, acknowl-
    edging that "the trial court did include some extraneous information
    in this part of the charge." It responds only that the paragraph "did not
    taint the entire instruction."
    16
    The appellants cite United States v. Dove, in which the Second Cir-
    cuit examined instructions on circumstantial evidence. 
    916 F.2d 41
    ,
    45-46 (2d Cir. 1990). The Dove court found error in the trial judge's
    use of a hypothetical in which the guilt of a defendant was assumed
    "and the jury [was] merely instructed how to look for evidence of that
    guilt." 
    Id. at 46
    . The court held that the instruction was "unbalanced."
    
    Id. at 45
    . Because the defendant's theory of the case depended heavily
    on circumstantial evidence, the court concluded that the error war-
    ranted reversal of the defendant's conviction. 
    Id. at 46-47
    .
    The error in this case is more egregious than that in Dove. The
    Dove jury heard only "how" to find circumstantial evidence of guilt,
    and at least could infer that it could use the same method to find evi-
    dence of innocence. But the jury in the instant case was given a par-
    ticular justification for the reliability of circumstantial evidence of
    guilt, a justification that did not apply at all to evidence of innocence.
    The question for this court, therefore, is whether there is a reasonable
    likelihood that the error prejudiced the jury's consideration of the
    appellants' guilt. As it did in Dove, that question turns on the role that
    circumstantial evidence played in the trial. Unlike Dove, in this case
    circumstantial evidence played only a minor role. As the appellants
    themselves admit in another context, "the government presented the
    testimony of dozens of purported eyewitnesses." Thus we find that,
    on the facts of this case, the error was harmless.
    b.
    The appellants' second argument regarding this instruction, that the
    judge's choice of words indicates an assumption that a crime has been
    committed, is without merit. The instruction's definition of circum-
    stantial evidence--"facts or circumstances surrounding the commis-
    sion of a crime"--implies such an assumption. But the trial court
    made very clear that each element of each count, including the fact
    that a crime occurred, must be proven beyond a reasonable doubt.
    Exemplary is the conspiracy instruction: "If you are satisfied that the
    conspiracy charged in the indictment existed, you must next ask your-
    self who the members are." We hold, therefore, that the instructions
    as a whole did not assume that a crime had been committed.
    17
    C. Sufficiency of Evidence
    The appellants contend that the evidence was insufficient to sup-
    port several of the charges. A conviction may be reversed for insuffi-
    ciency of evidence only if, from the perspective most favorable to the
    government, Hamling v. United States, 
    418 U.S. 87
    , 124 (1974), the
    evidence was so insubstantial that no "rational trier of fact could have
    found the essential elements of the crime beyond a reasonable doubt,"
    Jackson v. Virginia, 
    443 U.S. 307
    , 319 (1979)).
    1.
    The appellants argue first that there was insufficient evidence to
    support Counts IX and XI, involving importation of heroin. The
    indictments state that, on two different occasions,"the defendants
    . . . did knowingly willfully and unlawfully import and attempt to
    import into the customs territory of the United States," quantities of
    heroin "in violation of 
    21 U.S.C. § 952
    (a)." In addition to section
    952(a), both Counts cite 
    18 U.S.C. § 2
    , which governs aiding and
    abetting. The appellants contend that the indictments effectively
    charged them only with importation, not attempt to import, because
    neither of the statutes cited criminalizes attempt. The government's
    evidence, they assert, indicates that the heroin in question was seized
    by foreign authorities before it could be brought to the United States.
    Thus, they argue, there is no evidence in the record to support the first
    element of importation under 
    21 U.S.C. § 952
    (a)--that the substance
    actually was imported. United States v. Samad , 
    754 F.2d 1091
    , 1096
    (4th Cir. 1984).
    The government acknowledges that it did not prove actual importa-
    tion. It points out, however, that the appellants' argument ignores
    both the language of the indictment and the charges that the govern-
    ment actually presented to the jury. The appellants properly were
    charged with attempt, it concludes, and there is sufficient evidence to
    support their convictions on those charges.
    The government's argument is compelling. Where an indictment's
    text provides sufficient notice of a charge, failure to cite the appropri-
    ate statute does not render it ineffective:
    18
    Error in the citation or its omission shall not be ground for
    dismissal of the indictment or information or for reversal of
    a conviction if the error or omission did not mislead the
    defendant to the defendant's prejudice.
    Fed. R. Crim. P. 7(c)(3). The counts in question both include the word
    "attempt." Attempt to import heroin is punishable under 
    21 U.S.C. § 963
    . The appellants do not contest the sufficiency of evidence of
    attempt to import. We affirm, therefore, the convictions under Counts
    IX and XI.
    2.
    Akas argues that there was insufficient evidence to support his con-
    viction for money laundering. To support a conviction for money
    laundering, the government must prove that a defendant "knowingly
    conducted a financial transaction which involved the proceeds of drug
    distribution and that he did so either with the intent to promote his
    drug business or with knowledge that the transaction was designed to
    disguise the nature or source of those proceeds." United States v.
    Blackman, 
    904 F.2d 1250
    , 1256 (8th Cir. 1990); see also United
    States v. Campbell, 
    977 F.2d 854
    , 857 (4th Cir. 1992), cert. denied
    
    113 S. Ct. 1331
     (1993). The prosecution alleged that Onwuazor and
    Akas used drug proceeds to purchase Nissan Pathfinders, which they
    shipped to Nigeria to pay suppliers. Akas acknowledges that the pros-
    ecution presented evidence that he knew the Pathfinders were bought
    with proceeds of illegal activity, but contends that the government
    failed to prove that he knew the sale was designed to conceal the ille-
    gal nature of the proceeds.
    It is true that the government introduced no direct evidence that
    Akas knew the transactions' purpose, but direct evidence is not neces-
    sary. Prosecutors presented evidence that Akas knew the funds were
    drug proceeds, and that he knew the Pathfinders were shipped to over-
    seas heroin suppliers. That evidence is sufficient for a rational jury to
    have found beyond a reasonable doubt that Akas knew the purpose of
    the transactions. Thus we affirm his conviction for money laundering.
    19
    3.
    Anudu argues that there was insufficient evidence to convict him
    under Counts I, II, and VI.7 Regarding Count I, which charged con-
    spiracy to import heroin, he claims that the government presented no
    evidence of an agreement between Anudu and his alleged coconspira-
    tor, Onwuazor. The government's evidence was merely circumstan-
    tial, Anudu contends; he cites our holding in United States v. Guinta
    that
    circumstantial evidence that proves nothing more than asso-
    ciation between two persons, even if one has a fixed intent
    known to the other to commit an unlawful act, is not suffi-
    cient to permit the inference of the requisite agreement
    between the two to act in concert to commit the act.
    
    925 F.2d 758
    , 764 (4th Cir. 1991). In fact, the"circumstantial evi-
    dence" of which Anudu complains includes testimony and audio tapes
    of conversations indicating that he was involved in the planning of,
    and was to receive a kilogram of heroin from, an attempted importa-
    tion from Singapore. That evidence is sufficient to support the jury's
    finding of an agreement to import.
    Count II charged Anudu with conspiracy to distribute heroin.
    Anudu contends that the evidence showed no more than a buyer-seller
    relationship in which he was the buyer. In fact, the record contains
    evidence that Anudu's role was not so limited. One coconspirator
    described him as a partner in the operation with Onwuazor. If a ratio-
    nal trier of fact were to deem that testimony credible, it could find
    Anudu guilty of conspiracy to distribute heroin. Thus we affirm the
    conviction.
    Count VI alleged that Anudu distributed heroin to Raymond Obilo
    on or about September 29, 1990. Anudu contends that the evidence
    supporting this charge was insufficient, because it consisted entirely
    of statements made by Onwuazor to Plummer, statements that Plum-
    _________________________________________________________________
    7 Anudu also challenges his conviction under Count IX. We address the
    appellants' joint challenge to Count IX in part II.C.1, supra, so we do not
    discuss Count IX separately here.
    20
    mer embellished to bolster their impact. It is not our role to determine
    Plummer's credibility. The jury believed his testimony, and Anudu's
    allegations do not convince us that a rational trier of fact could not
    have found the elements of this offense beyond a reasonable doubt.
    D. Sentencing Guidelines
    All of the appellants argue that they were not reasonably capable,
    individually or as a group, of producing the quantities of heroin attri-
    buted to each of them and to the conspiracy under the Sentencing
    Guidelines. The district court's application of the Guidelines to the
    facts is reversible only if clearly erroneous. 
    18 U.S.C. § 3742
    (e)
    (1988). Questions of law, however, are reviewed de novo. United
    States v. Daughtrey, 
    874 F.2d 213
    , 217 (4th Cir. 1989).
    1.
    The appellants contend that the district court erred in its assignment
    of Base Offense Levels under the Guidelines. The court found a level
    of thirty-six for Okoli, and thirty-eight for the remaining appellants.
    A defendant's Base Offense Level is determined not according to the
    quantity of drugs actually seized, but according to the amount "rea-
    sonably foreseeable" to the defendant within the scope of the conspir-
    acy. United States v. Irvin, 
    2 F.3d 72
    , 77 (4th Cir. 1993), cert. denied
    sub nom., Gonzalez v. United States, 
    114 S. Ct. 1086
     (1994). The sen-
    tencing judge must make individualized findings, estimating the
    amount reasonably foreseeable to each coconspirator. USSG § 1B1.3
    application note 2. The appellants argue that the district court both
    interpreted the Guidelines incorrectly and estimated inaccurately the
    amounts of drugs.
    In their brief, the appellants assert that the trial court misinterpreted
    the Guidelines by automatically attributing liability for all drugs
    involved in the conspiracy to any defendant who performed three or
    more acts in furtherance of the conspiracy:
    The trial court interpreted the Commentary to mean that an
    individual who performs one, or possibly two, acts in con-
    nection with a drug conspiracy need not be held responsible
    21
    for all of the drugs involved in the entire conspiracy, but that
    anyone who does more than two acts is automatically
    responsible for all the drugs.
    In fact, the district court does not appear to have applied such a
    bright-line rule. The judge's words indicate only the correct proposi-
    tion that a person who engages in several activities in furtherance of
    a conspiracy is likely to foresee its scope:
    That guideline says that one time you can pick if that's all
    you've done. But it doesn't say you can pick and choose and
    pick and choose. As a matter of fact, you can't jump in and
    out of a conspiracy. . . . [Y]ou're going to be charged with
    everything it does and then is it foreseeable that you can see
    that all these drugs are coming in?
    Because the trial judge was using the correct "reasonable foreseea-
    bility" standard, this court may reverse his application of the standard
    to the facts only if it is clearly erroneous. It is not clearly erroneous
    to infer from the extent of a defendant's activities that he reasonably
    foresaw the entire scope of the conspiracy.
    A Base Offense Level of thirty-eight applies where the amount of
    heroin involved is between thirty and fifty kilograms. In their brief,
    the appellants offer amounts different than those calculated by the dis-
    trict court, but each individual's recalculation considers only the
    quantities actually accounted for in the transactions in which he par-
    ticipated. Nowhere do the appellants even suggest what this court
    must find to reverse--clear error in the trial court's finding that each
    could reasonably foresee an amount larger than that which he person-
    ally handled. The appellants also argue that the entire conspiracy
    involved less than thirty kilograms, even though the evidence at trial
    included statements by Onwuazor that he delivered more than fifty
    kilograms of heroin to buyers in Baltimore. The appellants contend
    that Onwuazor's statements were mere bragging: "He simply could
    not have done the things he claimed to have done." But we will not
    second-guess the credibility determinations of the trial judge. The dis-
    trict court did not clearly err in finding that the conspiracy included
    at least 30 kilograms of heroin.
    22
    2.
    Okoli contends that he should have received a two-level downward
    adjustment for a minor role in the conspiracy, because he was only
    a courier. The presentencing report recommended such an adjustment.
    We have held previously that a mere courier is not automatically enti-
    tled to a downward adjustment. United States v. Gordon, 
    895 F.2d 932
    , 935 (4th Cir.), cert. denied 
    498 U.S. 846
     (1990). The controlling
    factor is the individual's degree of involvement in the conspiracy, not
    the nature of his duties. A defendant has the burden to prove, by a
    preponderance of the evidence, that he is entitled to a downward
    adjustment. 
    Id.
     Evidence at trial indicated that coconspirators relied
    heavily on Okoli as a courier. That evidence is sufficient to preclude
    a finding that the district court clearly erred.
    3.
    Anudu argues that the trial court erred in increasing his Base
    Offense Level by three levels. He received the adjustment for his role
    as a supervisor over Chuckwuma, Jeff Owunna, Emmanuel Bangura-
    Lee, and Yaw Osei. See USSG § 3B1.1. Anudu contends that he can-
    not be charged with a supervisory role in the Onwuazor conspiracy
    because his relationship with the alleged supervisees (1) was not that
    of a supervisor, and (2) constituted a conspiracy independent of the
    Onwuazor conspiracy. But there is evidence to the contrary. Owunna
    testified that Chuckwuma acted as a manager and courier for Anudu's
    drug business. That alone is sufficient to support the court's finding
    that Anudu was a supervisor. Owunna also testified that Anudu con-
    sidered Onwuazor his business partner, indicating that the operations
    Anudu supervised were part of the Onwuazor conspiracy. Thus the
    court did not clearly err by including in that conspiracy Anudu's deal-
    ings with Chuckwuma, Owunna, Bangura-Lee, and Osei.
    4.
    Anudu also argues that he should have received a two-level down-
    ward adjustment of his Base Offense Level for accepting responsibil-
    ity for his crimes. See USSG § 3E1.1. It is true that he acknowledged
    involvement in the heroin trade. However, as the government points
    out, he denied being involved with any of his codefendants, and thus
    23
    denied responsibility for the conspiracy charges. The district court did
    not clearly err, therefore, by denying him a downward adjustment for
    acceptance of responsibility.
    E.
    The appellants argue that there was a material variance between the
    indictment and the evidence at trial. They contend that the indictment
    charged an overall conspiracy but the proof at trial indicated multiple
    conspiracies. The parties disagree about the standard of review. The
    appellants urge us to reverse "if proof of multiple conspiracies preju-
    diced the substantial rights of the appellants, i.e., if the jury would
    have been confused into imputing guilt to members of one conspiracy
    because of the illegal activities of the members of another conspir-
    acy." However, as we decided in Barsanti v. United States, we reach
    the issue of confusion between conspiracies only if we first find that
    the evidence, viewed in the light most favorable to the prosecution,
    cannot support the conclusion that there was a single conspiracy:
    The government bears the burden of proving the single con-
    spiracy it charged in the indictment. On appeal, this court
    must determine whether the evidence, when viewed in the
    light most favorable to the government, supports the jury's
    finding of a single conspiracy. If the evidence shows that
    there was more than one conspiracy, we must reverse the
    verdict only where proof of the multiple conspiracies preju-
    diced substantial rights of appellants. A defendant's rights
    would be infringed if the jury would have been confused
    into imputing guilt to members of one conspiracy because
    of the illegal activities of the other conspiracy.
    
    943 F.2d 428
    , 439 (4th Cir.), cert. denied, 
    112 S. Ct. 1474
     (1991)
    (internal quotations and citations omitted); accord United States v.
    Urbanik, 
    801 F.2d 692
    , 695-96 (4th Cir. 1986) (holding that verdict
    can be overturned only if a reasonable fact-finder could not have
    found single conspiracy).
    Even when there are several small, more tightly woven groups of
    coconspirators, the groups may be deemed a single conspiracy if they
    constitute "one general business venture." United States v. Leavis, 853
    
    24 F.2d 215
    , 218 (4th Cir. 1988). The record contains ample evidence of
    interwoven business relationships among the appellants, such as
    Owunna's statement that Anudu and Onwuazor were partners. See
    supra part III.D.3. That evidence is sufficient to support the jury's
    finding of a single conspiracy.
    F.
    Finally, the appellants argue that the trial court repeatedly admitted
    testimony without requiring a foundation of personal knowledge, in
    violation of Fed. R. Evid. 602. Evidentiary rulings of the trial court
    are reversible only for abuse of discretion. Distaff, Inc. v. Springfield
    Contracting Corp., 
    984 F.2d 108
    , 111 (4th Cir. 1993). The appellants
    cite only one example from the record--testimony by Special Agent
    Plummer about a conversation he had "with an individual named
    Koots." "Koots" told Plummer about an earlier conversation with
    Okoli and Onwuazombe. Because Plummer was relating the state-
    ments of others, the appellants contend, his testimony was not based
    on personal knowledge and thus violated Rule 602.
    Rule 602 does not apply to the portions of Plummer's testimony
    that the appellants contest. "Koots" is a nickname for Akas, and was
    used so commonly that the government included it in his indictments.
    Thus both Koots's own statements and the words of Okoli and
    Onwuazombe that Koots repeated were statements of coconspirators.
    Rule 801(d)(2) deems statements of coconspirators to be nonhearsay,
    and the Advisory Committee Notes state that Rule 602 does not apply
    where Rule 801 applies, so Rule 602 does not apply to the evidence
    that appellants contest. United States v. Ammar , 
    714 F.2d 238
    , 254
    (3rd Cir.), cert. denied sub nom., 
    464 U.S. 936
     (1983). The district
    court properly admitted Koots's statements under Rule 801.
    III.
    The government failed to properly prove venue for Counts XII and
    XIII. Thus we vacate Onwuazor and Okoli's convictions and sen-
    tences on those charges. However, Onwuazor was convicted of eleven
    other counts, for each of which he received a prison term and a period
    of supervised release equal to or greater than those he received for
    Counts XII and XIII. All thirteen of his prison terms were to run con-
    25
    currently, as were all of his periods of supervised release. Similarly,
    Okoli was convicted of two other counts, and received for each a
    prison sentence equal to the term he received for Count XIII. His sen-
    tences, also, were to run concurrently. Finally, both Onwuazor and
    Okoli received a special assessment of fifty dollars for every count.
    Because sentences for Counts XII and XIII run concurrently with
    terms of equal or greater length, we conclude that our vacation of
    those convictions and sentences does not necessitate reconsideration
    by the trial court of either appellant's overall sentence. Thus we
    remand only for vacation of the special assessments for Counts XII
    and XIII. Finding no other reversible error, we affirm on all remain-
    ing counts.
    AFFIRMED IN PART AND VACATED IN PART
    26