CALIFORNIA EVIDENCE: CIVIL AND CRIMINAL
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Opinion & Scientific Evidence
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Forensic Issues
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Criminal
............Narcotic Paraphern.; Packaging; Sales
3 Cards On This Topic:
Expert testimony on Ds' seemingly innocuous, yet typically drug-related activities, properly admitted to establish modus operandi.
D's argument, that O's opinion D possessed marijuana for sale was inadmissible because O was unqualified, was forfeited by his failure to object below; in any case, testimony sufficient to support charge.
Trained police officer generally competent to give opinion on narcotic packaging, possession for sale and similar subjects.