Nickname in-game : aza k / love
STEAM ID of this person (type status in the console) : STEAM_0:0:13190678
PROOF (Screenshot, record) :
Here for the proofs : http://imageshack.us/g/864/azakfreekill1.png/
So, He comes under the name aza k first, freekills 3/4 people, leave just after, then come on another map with the name love, and tk a counter terrorist, don't help his team in any way.