California Bureau of Investigation

California Bureau of Investigation
AbbreviationCBI
Jurisdictional structure
Operations jurisdictionCalifornia
Operational structure
Overseen byCalifornia Department of Justice
Agency executive
  • Brian Rose, Director

The California Bureau of Investigation (CBI or BI) is California's statewide criminal investigative bureau under the California Department of Justice (CA DOJ), in the Division of Law Enforcement (DLE), administered by the Office of the State Attorney General that provides expert investigative services to assist local, state, tribal, and federal agencies in major criminal investigations ranging across the state.