User blog comment:Gman111/Pointless Perks/@comment-1518024-20100218215400

EFG I agree. If you look at it this way: Normally you want to sneak up behind someone so the heartbeat would have been useless anyway. If you go in front they will still see you so it is not so good. Plus a very slim amount of people use it.

Cold Blooded Pro should be the Ninja perk.