U.S. Army Spec. Brian Williamson, left, and Sgt. Kevin Belanger, center, both with the 221st MP Detachment, respond to an active-shooter scenario June 4, during the 3rd Annual Private 1st Class Boyd Jr. Top Cop Competition at Ft. Jackson, S.C. Williamson went on to win the Soldier’s division of the the competition. (Courtesy photo)