United States v. Guerrero, No. 10-3043 (D.C. Cir. 2011)
Annotate this CaseDefendant sought reversal of his conviction by a jury for unlawful possession with intent to distribute cocaine and aiding and abetting, claiming trial evidentiary errors. Because defendant elicited testimony concerning the officer's law enforcement experience with drug trafficking in an attempt to demonstrate he was conditioned to see the benign items seized from defendant's bedroom as drug paraphernalia, and elicited his opinion regarding one of those items, defendant failed to show prejudice even assuming the testimony was improperly admitted. Circuit precedent confirmed defendant's other contentions were without merit. The district court neither abused its discretion in excluding expert evidence on the ultimate question in the case, nor erred in allowing the prosecutor to ask guilt-assuming hypothetical questions of a character witness testifying about her personal opinion. Accordingly, the court affirmed the conviction.
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