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
Butch Cassidy transport, but the Bolivian authorities didn't know their real names, nor could they positively identify them. The bodies were buried at the small San Vicente cemetery, near the grave of a German miner named Gustav Zimmer. Although attempts have been made to find their unmarked graves, notably by the American forensic anthropologist Clyde Snow and his researchers in 1991, no remains with DNA matching the living relatives of Cassidy and Longabaugh have yet been discovered. In 2017 a new search was launched for the grave of Cassidy. It zeroed in on a mine outside Goodsprings, NV. DNA was taken from