I know that. I have no idea why they did not put the anti baby monitor in the 3rd perk like all the other CoDs. I do not want to have to give up my fast aim just to be invinsible to some *** heartbeat.'
You can definetly hear them heatbeat sensors if you have a headset. I on the other hand do not because its not working correctly. I do agree with you though. I kinda find Assassin useless because I find myself next to an enemy when I spawn regardless its kinda no avoiding it.