Easy: show your email address at your profile. I'm sure the troll will contact you very soon.
If it don't work, tell someone else the truth about him: overcharged repairs that don't work, money transfers clearing before even dispatch of "MIL-SPEC" goods, misleading descriptions of Amiga gear on Ebay... Name it.
Imbecile try his chance on me once.
BTW: he (it?) lives in Beaverton, Oregon.