Of course not. The media is taking this out of context.
This enemy was caught in an act of deception. The weary marine had just been shot in the face and exercised prudence.
Well, still, a little more creativity would have been appreciated. Had the Marine simply put pantys on the terrorist thugs head, AND THEN PLUGGED THE SCUM, he could have honestly claimed he was JUST PUTTING THE VERMIN OUT OF HIS MISERY.