Here's my topic on
Best practices for Bitcointalk escrow providers, with links to the case where $50k was scammed.
@OP: any chance you entered your password on a phishing site? Chances are you got a link by PM before your account got hacked.
This is the most likely case.
OP, look at the accounts your opponent owns.
One has already been charged with fraud.
https://bitcointalk.org/index.php?action=trust;u=663730
This person most likely hacked you, OP, because his reputation suggests a dishonest person. Check all links sent by this account.
At the same time, it is not surprising that you were contacted by an account that has been in a dream for three years, although its second account lives safely on the forum.