California Code, Penal Code - PEN § 629.76

The Attorney General, any deputy attorney general, district attorney, or deputy district attorney, or any peace officer or federal law enforcement officer who, by any means authorized by this chapter, has obtained knowledge of the contents of any wire or electronic communication, or evidence derived therefrom, may use the contents or evidence to the extent the use is appropriate to the proper performance of his or her official duties and is permitted pursuant to Section 629.82.