 While in that car, the sheriff was carrying a belt-fed machine gun, and others were also armed with guns. So I think I should go back a little and explain why so many were armed with rifles that morning. That was Walter Brockbank during a 1971 interview that comes from the Bisbee Mining and Historical Museum oral history collection. You may remember that just prior to this country entering the war in Europe, the Mexican bandits, by the name of Pancho Villa,