CA Evid Code Section 985

There is no privilege under this article in a criminal proceeding in which one spouse is charged with:

(a)

A crime committed at any time against the person or property of the other spouse or of a child of either.

(b)

A crime committed at any time against the person or property of a third person committed in the course of committing a crime against the person or property of the other spouse.

(c)

Bigamy.

(d)

A crime defined by Section 270 or 270a of the Penal Code.