Actually when you press B beside them when they are down, you do a quick
melee execution. If you wanna chainsaw, hold be while you are far enough
then move into them with your saw reved to lop off his head, chainsaw
execution style
whatever ill rape you any day fag, i dont care if you think im a noob,
because the boom shot is the fucking noobest weapon of them all takes no
skill to kill people with it