Lon saw that the man wore a helmet, but it had no faceplate, nothing to disguise the look of naked hatred on the face. The man held his rifle in his left hand, like a shield—and his right hand held a machete. Lon swung at the arm holding the knife and moved in closer, trying to bring his rifle up to use the butt against the man’s head. But they collided and went down together. Lon found himself on the bottom, his rifle out of his hands, holding onto the wrists of his assailant—who had also lost or discarded his rifle. The man still had the long knife though, and was doing everything he could to use it against Lon …