I've run around following him from time to time to see how he does it. Everytime I see him run into trouble and think he's dead he kills 2 or 3 enemies. The aim on this game just seems to suit his movement.
Dont get me wrong his aim was pretty tasty in R6 and Graw but in this especially with the P90 he's a friggin terminator.
Great entertainment too when a yank blabbering on gets to his break point