Hole-in-the-Wall Gang include a certain way in handling disputes with other gang members, and never stealing from another gang's supplies. There was no leader with each gang adhering to its own chain of command. The hideout was also used for shelter and a place for the outlaws to lay up during the harsh Wyoming winters. Members of the Hole-in-the-Wall Gang included such infamous criminals as Butch Cassidy's Wild Bunch which consisted of Butch Cassidy (aka Robert Leroy Parker), the Sundance Kid (aka Harry A. Longabaugh), Elzy Lay, Tall Texan, 'News' Carver, Camilla 'Deaf Charlie' Hanks, Laura Bullion, George "Flat Nose" Curry, Harvey
Butch Cassidy and the Sundance Kid for a mining company. However, they are ambushed by local bandits on their first run and their boss, Percy Garris, is killed. Butch and Sundance ambush and kill the bandits, the first time Butch has ever shot someone. Etta recommends farming or ranching as other lines of work, but they conclude the straight life isn't for them. Sensing they will be killed if they return to robbery, Etta decides to go back to the United States. Butch and Sundance steal a payroll and the mules carrying it, and arrive in a small town. A boy recognizes the mules' brand and