Final answer:
Carol Bundy was the female offender who assisted Douglas Clark in his murderous spree during the 1980s, earning them the title of the 'Sunset Strip Killers'.
Step-by-step explanation:
The female offender who became a compliant assistant in Douglas Clark's efforts and participated in his gruesome crimes is Carol Bundy. Carol Bundy, along with Douglas Clark, became known in the 1980s for their notorious spree of murders in Los Angeles, which involved the sexual assault and murder of multiple women, and their desecration post-mortem. This criminal duo came to be known as the 'Sunset Strip Killers' with Bundy later confessing to her role in these horrific crimes and testifying against Clark.
The female offender who became a compliant assistant in Douglas Clark's efforts to have sexual intercourse with the corpses of murdered girls is Charlene Gallego. Charlene Gallego and her husband Gerald Gallego were responsible for a series of kidnappings, rapes, and murders in the 1970s. They targeted young girls and Charlene was actively involved in the crimes, often helping Gerald fulfill his fantasies.