SirPrimalform: Guys, look what I found!
http://forums.steampowered.com/forums/showthread.php?t=2976790 It looks like he's trying to find out if it's possible for him to get in trouble from us reporting him, which suggests he's genuinely rattled.
Haha, that is classic....what an idiot. He used his main account which i hope he already bought plenty of games on because if enough report him they will close out his account with no refunds, and he will lose all his games. So if he screwed you over, report him. Make sure to provide proof such as the messages and what not. And the keys that you provided him. Also provide the stupid forum posts of him proclaiming he had everything under "CONTROL".
Glad someone got his ID, he had no clue that was unique and could not be changed. He thought he had everything under control...