Serial Killers2009 Season 1 · Episode 1 · John Wayne Gacy: A Monster in DisguiseS1 · E1 · John Wayne Gacy: A Monster in DisguiseJohn Wayne Gacy (March 17, 1942 - May 10, 1994) also known as The Killer Clown, was an American serial killer.
He was convicted and later executed for the rape and murder of 33 boys and young men between 1972 and his arrest in 1978, 27 of …
