Billy the Kid: Unmasked

Legend has it that in 1881 Sheriff Pat Garrett shot and killed 'Billy the Kid', a young man wanted for allegedly committing 21 murders, one for every year of his short life. But America's most famous criminal left behind more folk tales than facts, including the question of whether he was really shot and killed at all. Armed with the latest forensic evidence, a team of experts reopens the case, revealing new twists to this remarkable story.