Warnings have been posted about him under multiple names on various forums all over the net. There's several post about him over on [ www.300zxclub.com ] I think there may even be information regarding who he really is and where he's located.
Very sorry to say that you likely just had a costly learning experience. Never do business via the internet unless the seller has references from reputable sources, not a new user with no other post other than his classified ad.