Butch Cassidy Butch Cassidy Robert Leroy Parker (April 13, 1866 – November 7, 1908), better known as Butch Cassidy, was a notorious American train robber and bank robber, and the leader of a gang of criminal outlaws known as the "Wild Bunch" in the American Old West. After participating in criminal activity in the United States for more than a decade at the end of the 19th century, the pressures of being pursued by law enforcement, notably by the Pinkerton detective agency, forced Parker to flee the country with an accomplice, Harry Alonzo Longabaugh, known as the "Sundance Kid", and Longabaugh's girlfriend
Butch Cassidy American bandits believed to be Cassidy and Longabaugh. Three days later, a pair of Americans suspected of being the bandits were seen in the small mining town of San Vicente, where they lodged in a small boarding house owned by a local resident miner named Bonifacio Casasola. Casasola became suspicious of his two foreign lodgers. A mule they had in their possession was from the Aramayo Mine, identifiable from the mine company's brand on the mule's left flank. Casasola left his house and notified a nearby telegraph officer who notified a small Bolivian Army cavalry unit stationed nearby, the Abaroa