"Heh, me and some mates played against him. Got him kicked. So naturally he joined back. Here are some more accounts he used.
http://steamcommunity.com/id/sparklysparkles/ http://steamcommunity.com/id/hitlerwasaight/ http://steamcommunity.com/id/iblamezejews/ http://steamcommunity.com/id/purplesmaart/"

Here's some more evidence of alternate accounts where he admits to hacking.

Thanks to a reddit user to sending these to me, don't wanna shout him out in case he gets dragged into this, unless he'd like to be.