it creates one of the biggest what-ifs in the history of the real west. >> the deal with the railroads is off the table, and the famed bandit knows with law enforcement utilizing rapidly expanding communication, he's running out of places to hide. >> it's important to keep in mind that butch and sundance are operating towards the end of the west. one of the things that brings about the end of the west is technology. so one of the challenges that faces butch cassidy is staying one step ahead. >> butch and sundance realized that they were targeted by the pinkertons. and they finally decided they need to get out of town. and they made their way to fort worth, texas. >> at the turn