The AJ I-Unit goes undercover to expose some of Africa’s biggest gold smugglers and money launderers. We take you inside a scheme to wash millions of dollars by trading gold from Southern Africa to the Middle East and back again. Find out why gold is the key that unlocks it all. Episode Credits:This episode was written and produced by Kevin Hirten with help from Amy Walters. Alexander James and Sarah Yeo are the lead investigators on this series.Craig Pennington is our sound designer. Clean Cuts does the final sound mix. Eric Samothrakis composed our theme song. Peter Charley is the show’s Executive Producer, Ney Alvarez is Al Jazeera’s Head of Audio and Phil Rees is Al Jazeera’s Director of Investigative Journalism. Connect with us: @ajiunit on Twitter