0
Because if you sneak up behind a sentry and cover his mouth the first thing he's gonna do is fire his weapon to alert his friends. If he cannot fire his weapon the second thing he's going to think about doing is screaming (partially because you just sliced his arm open). After that the only thing left to do is stab him in the heart. That being said you would have already severed his brachial and carotid artery and he would probably be dead by the time you started to drag him away. So stabbing h
