Who shot bin Laden? Former SEALs fill in the blanks He is the unknown shooter. The nameless, faceless triggerman who put a bullet in the head of the world’s most notorious terrorist. Yet there are clues, and the beginnings of a portrait can be pieced together from scraps gleaned from U.S. officials. A trio of former Navy SEALs — Eric Greitens, Richard Marcinko and Stew Smith — helped us fill in the blanks, drawing from their experiences to develop a kind of composite sketch of an elusive historic figure in real time.