During their three-year crime spree, the infamous young couple murdered nine police officers and at least as many civilians. The pair finally got what was coming to them on a dusty road in Louisiana, where a six-man posse ambushed them and shot them dead. Frank Hamer, the Texas Ranger who led the posse, was rewarded for his service by being allowed to take anything the outlaws had in their possession at the time of their deaths. So he took the Colt .45 semi-automatic pistol the 25-year-old male had in his waistband and the .38 Special the 23-year-old female concealed under...