Cowboys & Outlaws unveils the true tales and characters of the American West during the brief but tumultuous years following the Civil War, when the law often amounted to little more than a man with a badge and a posse. Episode: Frontier Hitman: The notorious Tom Horn, hanged for a murder of a 14-year-old boy in 1903, is a pivotal figure in the taming of the Old West. A cowboy-turned-range-detective for big ranchers, he built a fearsome reputation as a professional hit man