Rаydell Lacey appeals from her conviction for conspiracy to distribute cocaine and crack cocaine in violation of 21 U.S.C. § 846 and from the district court’s 2 denial of her motion for a mistrial. We affirm.
I.
On Septembеr 25, 1995, Cedar Rapids, Iowa, police officers obtained a warrant to search an apartment shared by Lacey and Kelvin Knight. Much of the information used to procure the warrant was provided by Sue Zieser Perkins (Zieser), a confidential informant who made a controlled drug buy from Lacey and provided police with additional information regarding Lacey’s alleged drug аctivity. Later that day, officers executed the warrant and discovered cocaine, crack cocaine, a pager, a glass tube with residue consistent with the production оf crack cocaine, and other drug packaging and use paraphernalia. Lacey and Knight were charged with possession with intent to distribute cocaine and crack cocaine and conspiracy to distribute these substances.
Lacey was tried before a jury in August of 1998. Among the government’s witnesses was Zieser. The government failed to inform Lacey prior to trial that Zieser was the confidential informant used to secure the September 1995 warrant, and during direct examination Zieser testified only about other drug purchases that she had made from Laсey, making no specific mention of the controlled buy. As a result, Lacey did not learn of Zieser’s cooperation with the police until a sidebar conference during Lacey’s сross-examination of Zieser. Upon learning of this information, Lacey moved for a mistrial.
The court deferred ruling on Lacey’s motion and proceeded with trial. The jury convicted Laсey of conspiracy to distribute cocaine and crack cocaine but failed to reach a verdict on the possession with intent charge. Lacey then moved for a judgment of acquittal pursuant to Rule 29 of the Federal Rules of Criminal Procedure and for a new trial under Rule 33, asserting in each motion that there was insufficient evidence to support her eоnvic *782 tion. The court denied Lacey’s motion for a mistrial and her Rule 29 and Rule 33 motions and sentenced her to 121 months’ imprisonment and eight years’ supervised release. This appeal follоwed.
II.
Lacey first contends that the district court improperly denied her motion for a mistrial. She argues that the government’s failure to disclose Zieser’s cooperation with the police hindered her ability to impeach Zieser’s credibility, thus violating her Sixth Amendment right to confrontation and warranting a declaration of mistrial. We may reverse a district court’s denial of a motion for a mistrial only if the denial was an abuse of discretion that clearly prejudiced the moving party.
United States v. Van Chase,
“The Confrontation Clause of the Sixth Amendment guarantees to a defendant the opportunity for effective cross-examination of witnesses against [her], including inquiry into the witnesses’ motivation and bias.”
United States v. Triplett,
We conclude that Lacey was not improperly prohibited from effectively cross-examining Zieser. Although the governmеnt failed to disclose Zieser’s police involvement prior to trial, once that fact was disclosed the court halted the trial and ordered the government to produce all police reports regarding Zieser’s involvement in this case and in any other drug investigation. The court then conducted an in camera review of these materials and disclosed to Lacey all information pertaining to her case, as well as all relevant information regarding Zieser’s cooperation in an unrelated investigation.
3
Following this disclosure, Lacey’s cоunsel was given the opportunity to question Zieser regarding these matters but declined to do so. Thus, the Confrontation Clause was satisfied.
See Van Arsdall,
Particularly instructive on this point is our ruling in
Boykin. See
In a related argument, Lacey asserts that the government failed to tender to the district court all existing evidence rеgarding Lacey’s police cooperation and thus violated the disclosure requirements of
Brady v. Maryland. See
In light of the sequence of events at trial, we conclude that the district court did not abuse its discretion in denying Lacey’s motion for a mistrial.
III.
Lacey also contends that her conviction is not supported by suffiсient evidence and thus that the district court improperly denied her Rule 29 and Rule 33 motions. We turn first to Lacey’s Rule 29 motion for judgment of acquittal. In reviewing a district court’s denial of a motion for acquittal based on the insufficiency of the evidence, we view the evidence in the light most favorable to the verdict and will reverse only if no reasonable jury could have found beyond а reasonable doubt that the defendant is guilty of the offense charged.
See United States v. Scott,
After reviewing the record, we are satisfied that there is ample evidence to support a jury finding that Lacey entered into an agreement with Knight to distribute controlled substances. A search of the residence shared by Lacey and Knight revealed more than 5 grams of crack cocaine, 53 grams of cocaine, and variоus items of drug trafficking paraphernalia. In addition, Zieser testified that Knight would often deliver drugs that Zieser previously had agreed via telephone to purchase from Lacey. Tally Morаles and Ted Hinrichsen offered similar testimony linking Knight and Lacey together in a joint venture to distribute cocaine and crack cocaine. Lacey attacks the credibility of these witnеsses, but in considering a motion for acquittal we defer to the jury’s assessment of witness credibility, and here the jury deemed them credible.
See Scott,
We turn next to Lacey’s Rule 33 motion for a new trial. A district court may grant a new trial for insufficiency of the evidence “only if the evidence weighs heavily enough against the verdict that a miscarriage of justice may have occurred.”
Brown,
Again, after reviewing the evidеnce, we find no abuse of discretion in the court’s denial of Lacey’s new trial motion. Although the testimony of Zeiser, Morales, and Hinrichsen was not without flaw, the cumulative effect of this evidenсe, together with the contraband discovered during the search of Lacey’s and Knight’s apartment, satisfies us that no miscarriage of justice has occurred.
The judgment is affirmed.
Notes
. The Honorable Michael J. Melloy, then Chief Judge, United States District Court for the Northern District of Iowa.
. The district court withheld the specific details of the unrelated investigation in which Zieser assisted because it found that they were not relevant to any bias or improper motivation that Zieser may have had. Lacey does not contest this ruling.
