John "Jigsaw" St. John. LAPD’s serial murder expert carried Detective Badge Number One. Dramatically portrayed in the television series Jigsaw John, he got his nickname from working on a Hollywood dismemberment case. St. John was awarded the Distinguished Service Medal for his work on the Freeway Killer serial murder investigation. Other high-profile cases included: The Black Dahlia, Elderly Women Murders, Southern California Strangler Case, The Prostitute Murders and The Trash Bag Murders.

Design: EM+D