CALIFORNIA EVIDENCE: CIVIL AND CRIMINAL
...Hearsay Except. Requiring Unavail
......Unavailability Examples
.........Infirmity
............Mental Infirmity: Fear
2 Cards On This Topic:

Fear of personal or family harm can constitute mental infirmity and thus unavailability.

General fear of reprisals in prison for "snitching" sufficient showing of mental infirmity caused by fear to permit admission of prelim testimony.