sentences:  MG Frank Hagenbeck did confirm that "al Qaeda" fighters were seen (on live video feed from a Predator drone orbiting the firefight) chasing Roberts, and later dragging his body away from the spot where he fell.Another feed from the same Predator showed a puff of heat [from a rifle] and the indistinct figure in front of it fall.Also, the quick-reaction soldiers reported fighters wearing Roberts' gear and finding "a helmet with a bullet hole in it, [from which] it was clear the last person [Roberts] to wear it had been shot in the head".