Harrison Mandell had come to the Arizona outpost of Yuma, on the bug-infested banks of the Colorado River, to find out who was stealing money from an upriver mining company called Mina del Agua Mala. But from the moment a saloon girl came running naked into the dusty street, and a love-crazed Indian was driven off with a shotgun, Mandell knew this was not going to be any ordinary case.