If what you say is true start an official "scam accusation thread" in the proper place and if it can be proven he will be quickly tagged as such by many users.
This is the forum: https://bitcointalk.org/index.php?board=83.0
Read the 2nd message in that forum for explanation
This guy almost scammed me too but I'm glad that I am using SebastianJu's escrow so I saved from any loss.
