"Hear me out, there's no negotiating, you either agree or you don't leave here alive. And in case you're thinking of reneging once you leave here, know that we have someone already in place to watch you. I'm guessing right about now you're trying to figure out how the fuck you got yourself in this fix? This is what happens when you go south.
As far as I'm concerned you're a piece a shit who doesn't deserve to live, but we might be able to use you, you try to fuck us on this and we'll bury you. You won't see us coming, but you'll feel the impact two seconds before you're dead."
"It doesn't matter anyway, they probably already think we went AWOL." He really is a nervous fucker, and a liar too. That could get his ass shot before he even left the room.