 At 10 pm, Robert Brand (aged 17), his girlfriend Edna Louise Sullivan (aged 16), and Brand's 15-year-old cousin Mark Dunman were standing beside their parked car on a baseball field in Everman, Texas.While cruising around, McDuff noticed Sullivan and parked around 150 yards away from the soon-to-be victims.He threatened the trio with his .38 Colt revolver and ordered them to get into the trunk of their car.