Butch Cassidy and the Sundance Kid is the laconic dead-shot "Sundance Kid". The two return to their hideout at Hole-in-the-Wall (Wyoming) to discover that the rest of the gang, irked at Butch's long absences, have selected Harvey Logan as their new leader. Harvey challenges Butch to a knife fight over the gang's leadership. Butch defeats him using trickery, but embraces Harvey's idea to rob the Union Pacific "Overland Flyer" train on both its eastward and westward runs, agreeing that the second robbery would be unexpected and likely reap even more money than the first. The first robbery goes well. To celebrate, Butch and Sundance visit a
Butch Cassidy Hazen shooting, and then passed this information to Pinkerton detective Charlie Siringo, who was assigned the task of capturing the outlaws. The gang escaped into the Hole-in-the-Wall. Siringo became friends with Elfie Landusky, who was using the last name Curry after allegedly becoming pregnant by Kid Curry's brother, Lonny. Through her, Siringo intended to locate the gang. On July 11, 1899, Lay and others were involved in a Colorado and Southern Railroad train robbery near Folsom, New Mexico, which Cassidy may have planned and personally directed. A shootout ensued with local law enforcement, during which Lay killed Sheriff Edward Farr