I'm not saying adpinbr scammer, he just very strange person. always use escrow service!
https://bitcointalk.org/index.php?action=profile;u=104543 his profile.hacker stole his btc. he promised bounty of 20btc who find hacker dox.I wrote to him, he gave me 2 emails, 2 people. I found information on one person, I'll give him the information. he paid me only 1.1btc. Although he had to pay 10btc. then he stopped responding to me on this forum and on Skype, although het appears in forum and facebook. Adpinbr, you nice man, I love Jews, but i wait 8.9btc