As a new era of True Spies begins, Sophia di Martino joins the experts to reveal Osama bin Laden’s origins, methods and motivation. CIA operatives Gina Bennett and Tracy Walder join CNN’s Peter Bergen, the man who first interviewed Osama, to share the unvarnished truth about Bin Laden’s rise to power. In Part 3, the hunt begins for the world's most infamous terrorist begins in earnest - and a humble courier has an important part to play. From SPYSCAPE, the home of secrets. A Cup And Nuzzle production. Series producers: Gemma Newby, Joe Foley. Produced by Max Bower. Music by Nick Ryan.