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 older sister, Josie, before returning to Ann. Cassidy associated with a broad circle of criminals, most notably his closest friend William Ellsworth "Elzy" Lay, Harvey "Kid Curry" Logan, Ben Kilpatrick, Harry Tracy, Will "News" Carver, Laura Bullion, and George "Flat Nose" Curry, who collectively became the nucleus of the so-called "Wild Bunch". The gang assembled sometime after Cassidy's release from prison in 1896 and took its name from the Doolin–Dalton gang, also known as the "Wild Bunch". On August 13, 1896, Cassidy, Lay, Logan and Bob Meeks robbed the bank at Montpelier, Idaho, escaping with approximately $7,000. Shortly thereafter Cassidy