Lucas, a one-eyed drifter from Texas and Toole, who had a taste for human flesh,
killed anyone who crossed their paths, with
a preference for picking up hitchhikers. They are known to have
killed more than 200 people between the mid-1970s and mid-80s.
Holmes built a massive mansion, complete with trap doors, acid vats, lime pits and gas chambers, with money he made from a drugstore empire he built in Chicago.
''Torture castle'' During the 1893 World''s Fair in the city, he rented rooms to visitors, then killed them to try to collect on their insurance policies.
He also lured women to his "torture castle" with promises of marriage but would kill them after they signed over their life savings to him. He was hanged in 1896.