3. Lost

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The cheating is now out in the open and the players - including genuinely-disabled captain Ray - have to hand back their gold medals. But how and when did the cheating start? An ex-coach of the team, who was in charge until just two years before the scandal, says he began to suspect something was wrong way before Sydney 2000. Plus Dan tries to find an answer to one of the biggest questions of all - why did the cheats do it? Presenter: Dan Pepper Series producer: Simon Maybin (Photo credit: EPA)