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 and the Sundance Kid posse remains in pursuit, despite all attempts to elude them, Butch and Sundance determine that the group includes renowned Indian tracker "Lord Baltimore" and relentless lawman Joe Lefors, recognizable by his white skimmer. Butch and Sundance finally elude their pursuers by jumping from a cliff into a river far below. They learn from Etta that the posse has been paid by Union Pacific head E. H. Harriman to remain on their trail until Butch and Sundance are both killed. Butch convinces Sundance and Etta that the three should escape to Bolivia, which Butch envisions as a robber's paradise. On their