SAN QUENTIN, Calif. — A former California police officer turned serial killer who was on death row after being convicted of murdering six people in the 1980s has died of natural causes, authorities said.
Anthony Sully, 79, died Friday at a medical facility outside the San Quentin Rehabilitation Center, where he had been housed for decades, according to the California Department of Corrections and Rehabilitation.
The Marin County Coroner’s Office will determine Sully’s official cause of death, the department said in a news release Monday.
Sully was sentenced to death in June 1986 for the slayings of Kathryn Barrett, 24; Barbara Searcy, 22; Gloria Jean Fravel, 24; Brendan Oakden, 19; Michael Thomas, 24; and Phyllis Melendez, 20.