CALIFORNIA EVIDENCE: CIVIL AND CRIMINAL
...Writings
......Authentication
.........In General
10 Cards On This Topic:

Quantum of evidence required to authenticate writing.

Authentication required for admission.

Altered documents may be authenticated.

Authentication process summarized.

Writing must be authenticated before admission.

Proponent of computer-generated conversion of records must authenticate them by proving conversion accurate.

Trial exhibit with printouts of D's MySpace internet page, admitted for limited purposes, was properly authenticated, not hearsay and was relevant and probative under EC 352 re D's gang membership.

Writing downloaded from the internet purporting to be a roster of gang members which included Ds was not properly authenticated where downloading detective did not know who authored it but merely believed gang members did so.

Mother validly objected to additional evidence on basis it was not authenticated, compounded by fact neither she nor her counsel were at hearings to test its authenticity.

Authentication insures trustworthiness.