(Marin County, CA) — A notorious Southern California serial killer is dead after dying in prison. State corrections officials have announced that Douglas Daniel Clark died this week at San Quentin of natural causes. He was 75 years old.

Clark and his accomplice Carol Bundy were dubbed the Sunset Strip Killers after being found responsible for a series of murders around the Los Angeles area in the early 1980s. Bundy died at a different prison in 2003.