Take a look at these athletes who have fallen from grace.
Nicknamed the "Blade Runner," Oscar Pistorius made history when he became the first Paralympian to compete in the able-bodied Olympics in London in 2012. But he's now been charged with premeditated murder in the shooting death of his girlfriend, South African model Reeva Steenkamp, and faces life in prison if convicted. Take a look at some of the other athletes who have fallen from grace.
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