Andrew Kokoraleis was an American serial killer and member of the "Ripper Crew," a satanic thrill-kill cult that terrorized the Chicago area in the early 1980s. He was executed by lethal injection in Illinois in 1999. The Ripper Crew: Kokoraleis belonged to a four-man organized crime and cult group led by Robin Gecht, which also included Edward Spreitzer and Andrew's brother, Thomas Kokoraleis.