In December 1883, five outlaws attempted to rob the A.A. Castaneda Mercantile establishment in the fledgling mining town of Bisbee in the Arizona Territory. The robbery was a disaster: four citizens shot dead, one a pregnant woman. The failed heist was national news, with the subsequent manhunt, trial and execution of the alleged perpetrators followed by newspapers from New York to San Francisco. The Bisbee Massacre was as momentous as...