He is a cheter http://c2stats.com/pc/p_LAURATHRACE but i havnt any proof (video, screen,...). But he is clearly a cheater, use WH, speed hack, aimbot.Can i report him without proof?

LoL! No.

Kills: 1106
Deaths: 63
K/D Ratio: 17.56
Headshots: 1739
Headshot of kills: 157.23%
1106 Kill, 63 Death and 157,23€ of headshot is't a proof?

He is a cheter http://c2stats.com/pc/p_LAURATHRACE but i havnt any proof (video, screen,...). But he is clearly a cheater, use WH, speed hack, aimbot.Can i report him without proof?
das ''uber camper''
looks like hes playing at lighthouse all the time behind the railing, look at that lovely 150% headshot.. skilled camper

Reporting cheaters has it's own method. Don't post pointless threads for each and every cheater/hacker. I think you know the end, the topic gets locked/deleted.
And I think you know how to report cheaters officially and on the other alternative way.

I don't mean no offense, just saying.