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 recruited Harry Alonzo Longabaugh, also known as "The Sundance Kid", a native of Pennsylvania, into the Wild Bunch. In early 1897, Cassidy was joined at Robbers Roost by Ann Bassett, Elzy Lay, and Lay's girlfriend Maude Davis. The four hid there until early April, when Lay and Cassidy sent the women home so that the men could plan their next robbery. On April 22, 1897, in the mining town of Castle Gate, Utah, Cassidy and Lay ambushed a small group of men carrying the payroll of the Pleasant Valley Coal Company, stealing a sack containing $7,000 in gold, with which