Al Jazeera Investigative Journalist Alexander James on the Future of Investigative Journalism and the story behind The Al Jazeera Investigative Unit last month uncovered evidence implicating high-ranking diplomats in Zimbabwe and some of South Africa's top banks. Al Jazeera's investigative journalist, Alexander James, says the documentary shows how Gold Mafia sits at the heart of Zimbabwe's gold trade and that some of the laundered funds made its way to SA and Dubai where rival gangs launder vast amounts of money.