Wild Bunch outlaws worked out of the Hole in the Wall, a well hidden hideout for the outlaws, located in the southern Big Horn Mountains of Wyoming west of Kaycee. A second home for the Wild Bunch Brown’s Hole located in a desolate valley near the Wyoming, Colorado and Utah border In the winter Wild Bunch outlaws other ‘s worked out of Robber’s Roost located in the desert of southeastern Utah a famous outlaw winter resort.

The Wild Bunch spent most of their time robbing banks, and collecting mine payrolls particularly from Union Pacific Railroad trains. The infamous train robbery portrayed in the movie, The Great Train Robbery, occurred on June 2, 1899 near Wilcox, Wyoming. The Wild Bunch outlaws flagged down the Union Pacific Railroad ‘s Overland Limited and detached the express car and dynamited the door wide and blew cash like rain as the outlaws scrambled to retrieve some of the loot. Other robberies took place, including one at Tipton, Wyoming, and another at Malta, Montana which netted them over $40,000. The Union Pacific finally got ahead of the outlaws and outfitted them with professional gunmen on horses packing high powered rifles.

With the last known holdup at Malta the Wild Bunch outlaws dispersed with Cassidy and Sundance leaving for South America in 1901, along with Sundance’s beautiful lady friend, Etta Place. Some believed they were both killed in a shoot-out with Bolivian troops, following a series of robberies and living a quiet life there as peaceful ranchers for a few years. Some say that after Sundance was killed in the confrontation, that Cassidy shot himself.

Many of Wyoming’s old timers believe that Cassidy returned to the United States and lived another 20 years of so, attempting to recover stolen loot hidden in the Wind River Mountains.