Your in-game name: Xyn / Xynical
Your in-game Steam Community Link: http://steamcommunity.com/id/Xynical/
Rulebreaker's Steam Community Link: http://steamcommunity.com/profiles/76561198315454417
Server on which the rulebreaking occured: Dodgeball
Witnesses: Player list available in provided demo.
Proof: http://www.megafileupload.com/7a7l/micspam.dem
I can not state how long he had been at it as it appeared I joined on the tail end of him doing it.