Robert Leroy Parker, also known as "Butch Cassidy," partnered with the Sundance Kid to rob banks and trains in the early 1900s. He was born on April 13, 1866, in Beaver Utah.
His partner was Harry Longabaugh, nicknamed "The Sundance Kid," Joined him to start up the Wild Bunch. They robbed banks and trains for many years and were known for having the longest known stretch of successful bank and train robberies in American history.