Rough Rider, Pinkerton Man, Tracker, Gunslinger ... Hero, Cold-Blooded Killer. Steve McQueen stars as a legendary American as wild and untamed as the Old West. He charged with Teddy Roosevelt up San Juan Hill. Became famous for capturing the legendary Apache chief Geronimo. And before his 44th birthday, was killed by the man who employed him to stop cattle rustlers in Wyoming--because he was too good, and too lethal, at his job. He was Tom Horn. Based on Tom Horn''s autobiography.