American people convicted of murdering police officers
Billy the Kid
Henry McCarty (September 17 or November 23, 1859 – July 14, 1881), alias William H. Bonney, better known as Billy the Kid, was an American outlaw and gunfighter of the Old West who was linked to nine murders. He was solely responsible for four of them, and he may have played a role in five, alongside other men.
John Wesley Hardin
John Wesley Hardin (May 26, 1853 – August 19, 1895) was an American Old West outlaw, gunfighter, lawyer and controversial folk icon. Hardin often got into trouble with the law from an early age. He killed his first man at the age of 15, claiming he did so in self-defense.