Chet Tyber was the head of security at a Marine base in Afghanistan, as well as a former special ops soldier with Sniper training. Prior to being deployed as the civilian head of security for the Marine base at Afghanistan, he acted as a marksman member of the special forces, where he had training as a sniper and graduated at the top of the class. He and his civilian contractor partner proceeded to retrieve valuables from various homes that were initially rigged with IEDs when cleared out. Ted Lemere uncovered this and refused the offer when asked by his partner. Tyber himself, however, did not want to take any chances, and plotted to murder him via a sniper round, and trick his partner into thinking Taliban insurgents were responsible for Lemere's death via the echo of the shot. He then p