A top bullion dealer explains how the toilet could have disappeared and where the gold might be today.
Meanwhile, Jimmy Sheen’s pocketed £520,000 from the gold sale and an investigation shows he’s made big money from other crimes.
Explore where his missing millions could be and whether they will ever be in the hands of the police.
Presenter: Clodagh Stenson. Producer: Jonathan Eden and William McLennan. Sound Designer: Meic Parry. Story Consultants: Graham Russell and Jack Kibble-White. Executive Producers: Peter Cooke and Peter Cook. Online Producer: Rachael Smith. Commissioner: Al Miskin.