Cole Younger was an outlaw leader with what gang based in the state of Missouri?
Cole Younger Thomas Coleman "Cole" Younger (January 15, 1844 – March 21, 1916) was an American Confederate guerrilla during the American Civil War and later an outlaw leader with the James–Younger Gang. He was the eldest brother of Jim, John and Bob Younger, who were also members of the gang.
Billy Claiborne Billy Claiborne (October 21, 1860 – November 14, 1882), was an American outlaw Cowboy, drover, miner, and gunfighter in the American Old West. He killed James Hickey in a confrontation in a saloon, but it was ruled self-defense. He was present at the beginning of the Gunfight at the O.K. Corral, but was unarmed and ran from the shoot out. Only a year later, while drunk, he confronted gunfighter "Buckskin" Frank Leslie and was killed.