Btvs This article is about a subject whose real name is unknown, and is known only by a title, nickname or alias.
"Jane Doe - cause of death undetermined." Girl's a locked mystery, Dowling... and she's the third this month.
―Detective Cheung[src]

Jane Doe was how Detectives Dowling and Cheung of the San Francisco Police Department referred to the body of a young woman found without wounds, trace of drugs or any sign of heart failure. In fact, she had been a vampire that had been killed when Severin removed the demon spirit from her.