His radio and cellphones were turned off, his jeep was parked neatly on the side of the road, he had gone out without his driver and had switched to the passenger's seat. But most of all, his M-16 was between his legs, barrel in his mouth, and his finger still in the trigger.
Granted, it could be that there's some pretty nasty foul-play involved, a big setup or whatever, but it's unlikely as hell.
Disclaimer: all the above is the information as we were told at the time, and in the days afterwards. I have no idea what may have changed - if anything did - since then, with the undoubtably thurough investigation that is being performed.