José Coby Frey Chávez y Chávez (1851–1924) was a Mexican-American outlaw from the New Mexican Territory, which is now the state of New Mexico, in the United States. He was said to be the son of a Spanish father and Apache mother. Chávez became an outlaw at a relatively young age when he joined the Lincoln County Regulators.

Henry McCarty, alias William H. Bonney, better known as Billy the Kid, was an American outlaw and gunfighter of the Old West who is alleged to have killed 21 men before he was shot and killed at the age of 21. He is also known for his involvement in New Mexico's Lincoln County War, during which he allegedly committed three murders.