Oscar Pistorius

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Oscar Pistorius, leans forward in the dock in court in Pretoria, South Africa, Friday, March 14, 2014 on the tenth day of proceedings. Pistorius is charged with the shooting death of his girlfriend Reeva Steenkamp, on Valentines Day in 2013. (AP Photo/Phill Magakoe, Pool)

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Sister of Oscar Pistorius, Aimee Pistorius, right, sits in court on the tenth day of proceedings in Pretoria, South Africa, Friday March 14, 2014. Pistorius is charged with the shooting death of his girlfriend Reeva Steenkamp on Valentines Day in 2013. (AP Photo/Phill Magakoe, Pool)

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Media look at photographs of the crime scene at the home of Oscar Pistorius in court during his murder trial in Pretoria, South Africa, Friday, March 14, 2014. Pistorius is charged with the shooting death of his girlfriend Reeva Steenkamp, on Valentines Day in 2013. (AP Photo/Kim Ludbrook, Pool)

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Oscar Pistorius sits in the dock during his murder trial at a court in Pretoria, South Africa, Friday, March 14, 2014. Pistorius is charged with the shooting death of his girlfriend Reeva Steenkamp, on Valentines Day in 2013. (AP Photo/Phill Magakoe, Pool)

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Oscar Pistorius sits in the dock during his murder trial at a court in Pretoria, South Africa, Friday, March 14, 2014. Pistorius is charged with the shooting death of his girlfriend Reeva Steenkamp, on Valentines Day in 2013. (AP Photo/Phill Magakoe, Pool)

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Oscar Pistorius sits in the dock during his murder trial at a court in Pretoria, South Africa, Friday, March 14, 2014. Pistorius is charged with the shooting death of his girlfriend Reeva Steenkamp, on Valentines Day in 2013. (AP Photo/Phill Magakoe, Pool)

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Oscar Pistorius sits in the dock in court in Pretoria, South Africa, Friday, March 14, 2014 during his murder trial. Pistorius is charged with the shooting death of his girlfriend Reeva Steenkamp, on Valentines Day in 2013. (AP Photo/Phill Magakoe, Pool)

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Oscar Pistorius leans back after applying eye drops in court in Pretoria, South Africa, Friday, March 14, 2014. Pistorius is charged with the shooting death of his girlfriend Reeva Steenkamp, on Valentines Day in 2013. (AP Photo/Kim Ludbrook, Pool)