It started innocently enough, answering an ad in the newspaper. It turned into a globe-trotting lifestyle of moving huge sums of money for some of the world's shadiest characters. Bruce Aitken - "Mr Clean" - moved in circles where people would unquestioningly hand millions of dollars to him on a handshake to be deposited into Swiss bank accounts. But everything started to unravel at an event in Nevada that almost cost Mr Clean the rest of his life in prison.