California Code, Government Code - GOV § 54957.8

(a) For purposes of this section, “multijurisdictional law enforcement agency” means a joint powers entity formed pursuant to Article 1 (commencing with Section 6500) of Chapter 5 of Division 7 of Title 1 that provides law enforcement services for the parties to the joint powers agreement for the purpose of investigating criminal activity involving drugs; gangs; sex crimes; firearms trafficking or felony possession of a firearm; high technology, computer, or identity theft; human trafficking; or vehicle theft.

(b) Nothing contained in this chapter shall be construed to prevent the legislative body of a multijurisdictional law enforcement agency, or an advisory body of a multijurisdictional law enforcement agency, from holding closed sessions to discuss the case records of any ongoing criminal investigation of the multijurisdictional law enforcement agency or of any party to the joint powers agreement, to hear testimony from persons involved in the investigation, and to discuss courses of action in particular cases.