There is defiantly some ESP being used by some. But as for running though walls, unfortunately it's fairly easy especially if you are on wifi.

And how do you deal with it? Oh if you mean ignore it, that's not dealing with it. I personally just don't play nearly as much as I used to after getting esp/teleported on twice. You want to see this get fixed quickly, then start bitching more about it. There is no ignoring a player that can take out an entire group of players because he knows where they are all at, all the time, can teleport to them and can always hit with the aimbot. So please do tell, how does one just "deal with it"?

http://www.youtube.com/watch?v=bDJ2uyolZOM ....but I'm sure this is all legitimate server lagging issues.

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I was ESP and then teleported on. Will be waiting til next update to play again to see if the importaint fixes have been dealt with rather then a new gun or backpack

I was walking on the rocks and was throws 1000's of meters into the ocean and then died because of the fall from the elevation I was at. Not sure if immediately thinking it was a "hacker" is the right initial reaction.