Alias Smith and Jones called the Devil's Hole Gang, loosely based on the Hole in the Wall Gang from which Cassidy recruited most of his outlaws. To lend them an element of audience sympathy, Heyes and Curry were presented as men who avoided bloodshed (though Curry did once kill in self-defense) and always were attempting to reform and seek redemption for their "prior ways". The names "Smith" and "Jones" originated from a comment in the 1969 film "Butch Cassidy and the Sundance Kid", when before one of their final hold-ups, the characters are outside a bank in Bolivia and Sundance turns to Butch and
Butch Cassidy and the Sundance Kid says he wrote the story as an original screenplay because he did not want to do the research to make it authentic as a novel. Goldman later stated: The whole reason I wrote the ... thing, there is that famous line that Scott Fitzgerald wrote, who was one of my heroes, "There are no second acts in American lives." When I read about Cassidy and Longbaugh and the superposse coming after them—that's phenomenal material. They ran to South America and lived there for eight years and that was what thrilled me: they had a second act. They were more legendary