Carl Pistorius, brother of Olympic athlete Oscar Pistorius, arrives on Sunday, Feb. 24, 2013, at the home where his brother has been staying in Pretoria, South Africa, since being granted bail Friday for the Valentine's Day shooting death of his girlfriend, Reeva Steenkamp. Reports emerged Sunday that Carl Pistorius is facing charges of culpable homicide for the death of a female biker who was knocked down in 2010. (AP Photo)

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Carl Pistorius, brother of Olympic athlete Oscar Pistorius, arrives on Sunday, Feb. 24, 2013, at the home where his brother has been staying in Pretoria, South Africa, since being granted bail Friday for the Valentine's Day shooting death of his girlfriend, Reeva Steenkamp. Reports emerged Sunday that Carl Pistorius is facing charges of culpable homicide for the death of a female biker who was knocked down in 2010. (AP Photo)