Western historians tell us about real-life outlaws and lawmen in the American West, and how John Wayne measures up to the real thing.

American serial killers are hardly a phenomenon confined to the 20th and 21st centuries. The Old West was a well-known time of lawlessness. A time when serial killers stalked the mountains, prairies and deserts of North America. A time when men like, Billy the Kid, Jesse James, John Wesley Hardin, and the Kentucky cannibal left a trail of victims strewn across the landscape. The ruthlessness of their murders will shock in this feature-length documentary goes back into history to uncover the origins of evil during the Old West.