CA Penal Code Section 368.5

(a)

Local law enforcement agencies and state law enforcement agencies with jurisdiction shall have concurrent jurisdiction to investigate elder and dependent adult abuse and all other crimes against elder victims and victims with disabilities.

(b)

Adult protective services agencies and local long-term care ombudsman programs also have jurisdiction within their statutory authority to investigate elder and dependent adult abuse and criminal neglect, and may assist local law enforcement agencies in criminal investigations at the law enforcement agencies’ request, provided, however, that law enforcement agencies shall retain exclusive responsibility for criminal investigations, any provision of law to the contrary notwithstanding.