Tom Horn see as a warning. During the Wilcox train robbery investigation, Horn obtained information from Bill Speck that revealed which of the robbers had killed Sheriff Josiah Hazen during their escape. Either George Curry or Harvey "Kid Curry" Logan were said to have killed the sheriff. Both outlaws were members of Butch Cassidy's Wild Bunch gang, then known as "The Hole-in-the-Wall Gang" after their hideaway in the mountains. Horn passed this information on to Charlie Siringo, who was working the case for the Pinkertons. Horn briefly entered the United States Army to serve during the Spanish–American War as the chief packer
Butch Cassidy and the Sundance Kid posse remains in pursuit, despite all attempts to elude them, Butch and Sundance determine that the group includes renowned Indian tracker "Lord Baltimore" and relentless lawman Joe Lefors, recognizable by his white skimmer. Butch and Sundance finally elude their pursuers by jumping from a cliff into a river far below. They learn from Etta that the posse has been paid by Union Pacific head E. H. Harriman to remain on their trail until Butch and Sundance are both killed. Butch convinces Sundance and Etta that the three should escape to Bolivia, which Butch envisions as a robber's paradise. On their