One of the most famous images in western history is a photograph of the Wild Bunch outlaw gang, also known as "The Fort Worth Five," featuring Butch Cassidy, Sundance Kid, and three other members of the gang dressed to the nines and posing in front of a studio backdrop. This picture, taken by John Swartz in his Fort Worth studio in November 1900, helped bring the gang down when distributed around the country by the Pinkerton Agency. It may be seen...