Get a better connection lol. I seen this before in other Alpha/Beta games. When you are lagging, it disconnect you instead of just lag. There is some missing feature in connection that allows you to stay in game while lagging. Solution: Get cable and good provider.
You obviously never get too far in the end zone. If you are, you would have known that even the last zone with helicopter gets infected with radiation and only those with antirads and oxygen tanks will survive. The best anti-radiation-geared player can camp the longest yes. Rest of the players are forced to move and climb/kill others to win the game, otherwise they will die to radiation.
I totally agree on adding the howl sound and footsteps too, however, you died only because you freaked out the moment they jumped you. The trick is to keep sprinting. They can NEVER do any damage to you while you on sprint. It is kind of a way to out-trick them. Just keep sprinting in one direction, then turn around and shoot. If its more of them, repeat the trick. Easy. Hopefully they fix them soon so we cannot easily out-trick them again and they will become a threat one day.
You are welcome.