John Ruffo was an unassuming computer salesman from Brooklyn who engineered one of the most outlandish frauds in American history. He received a 17-year sentence for his $350 million swindle -- but his story didn't end there. After he turned in his ankle monitor, Ruffo made a final stop at an ATM, drove to JFK Airport and vanished. The ABC News investigative unit now joins the U.S. Marshals as they span the globe and uncover surprising details about his cloak-and-dagger past.

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