CALIFORNIA EVIDENCE: CIVIL AND CRIMINAL
...Method of Exam: Cross-Exam
......Bias or Improper Motive
.........Relationship to Party/Group/Gang
............Improper Use of Evidence
4 Cards On This Topic:

May not ask D's alibi witnesses about gang membership to establish possible bias when not relevant to crime charged.

May not cross-examine D re his knowledge of other people's membership in prison gangs without showing D is a member of one.

Where other evidence shows close relationship between D and co-D, gang membership evidence offered to prove such relationship is cumulative and, if prejudicial, inadmissible.

List of cases finding gang membership evidence improper.