Tech. Sgt. Richard Peterson, an explosive ordnance disposal craftsman with the 1st Special Operations Civil Engineer Squadron, brushes finger print dust onto paper to demonstrate how to find fingerprints at Hurlburt Field, Fla., Nov. 19, 2015. Evidence collected from an improvised explosive device allows EOD technicians to aid in finding the bomb maker. (U.S. Air Force photo by Senior Airman Meagan Schutter)