Final answer:
Douglas D. Clark, known as one of the Sunset Strip Killers, is the serial killer currently on death row in San Quentin, claiming his accomplice committed the murders.
Option d.
Step-by-step explanation:
Among the listed individuals, Douglas D. Clark is the serial killer currently serving time on death row in San Quentin, California.
He claims that his accomplice, Carol M. Bundy, was the person who actually carried out all the killings.
Clark and Bundy were known as the Sunset Strip Killers, and they were convicted for a series of murders in Los Angeles during the early 1980s.
Option d.