Legion

Legion is a 1983 horror novel by William Peter Blatty, a sequel to The Exorcist. It was made into the movie The Exorcist III in 1990. Like The Exorcist, it involves demonic possession. The name is derived from The Bible, particularly The Gospel of Luke, which describes Jesus traveling in the land of Gadarenes where he encounters a man possessed by Demons: Or the more common quote on the incident, sometimes called the Gerasene Demoniac, from The Gospel of Mark: The storyline is a mix of horror and whodunnit, with a police detective, Lieutenant Kinderman, investigating a series of murders that have all the hallmarks of a serial killer who was shot by police (but whose body was never recovered) many years previously. The slayings have a...