Henry McCarty aka Billy the Kid

AKA Henry Antrim and William H Bonney know killer of at least 4 men and said to have killed 21 .Came to New Mexican Territory in 1873. Then the country was divided into two factions wanting to take over the country and Billy the Kid going by the name of William H Bonney working for John Tunstall at the time took the losing side. He lived for 4 years after the war and was hunted down by Sherriff Pat Garrett and was killed.