Well , why don't we try just investing small amounts in him.
Maybe we can catch him red-handed and force him to quit , before we go bankrupt

Sent 0.05 and received 0.0624 just under 2 hours later.
http://blockchain.info/fb/1kk5ri3So as it stands, I vouch for this service up to now...but any discrepancies and/or losses in the future can not be attributed to my vouch.