CALIFORNIA EVIDENCE: CIVIL AND CRIMINAL
...Opinion & Scientific Evidence
......Forensic Issues
.........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.