Even worse when they're in it for the money (5 figures of it, a 'small fee' for his great services). This guy has every incentive to showboat and attempt to show that he's a security expert, and nothing to lose. muad_dib, would you care to give us some background or show some of your previous work?
Really I'm in for the money? I could make much more by moving the bitcoins in the accounts I spoofed.