Question: Who wrote the film Henry: Portrait of a Serial Killer loosely based on real life serial killers Henry Lee Lucas and Ottis Toole?
Sentence (from "Cold North Killers: Canadian Serial Murder"): The book uses Katherine Ramsland's interpretation of what constitutes a serial killer—someone who has killed at least two people on two separate occasions, and who attempted to or likely would have killed again—as outlined in her 2007 book "The Human Predator".
Relevant evidence: No