The Investigative Services Bureau, within the Support Services Division, handles all criminal investigative functions within the Police Department. This Bureau, under the command of a Police Lieutenant, is comprised of several elements with investigators assigned to units consisting of the Detective Investigations Unit, Special Investigations Unit, and the Crime Scene Unit.
Investigations Main phone number: (714) 754-5205
Detective Investigation Unit
Special Investigators Unit (S.I.U.)
Crime Scene Unit