Oscar Pistorius

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FILE - In this Saturday, Sept. 8, 2012 file photo, South Africa's Oscar Pistorius wins gold in the men's 400-meter T44 final at the 2012 Paralympics, in London. The man who racing commentators said was slow from the starting blocks, Pistorius went on to win many medals for his running prowess, but is now expected to testify in his own defense during his trial in South Africa for the killing of his girlfriend Reeva Steenkamp. (AP Photo/Kirsty Wigglesworth, File)

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Oscar Pistorius sits in the dock prior to the proceeding of his murder trial getting under way in court in Pretoria, South Africa, Tuesday, March 25, 2014. Pistorius is charged with the Valentines Day 2013 shooting death of his girlfriend Reeva Steenkamp. (AP Photo/Siphiwe Sibeko, Pool)

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FILE: In this file photo taken Monday, March 24, 2014, Oscar Pistorius, cries in court as he listens to evidence being given in Pretoria, South Africa, in the murder trial for the shooting death of his girlfriend Reeva Steenkamp on Valentines Day 2013. Pistorius is expected to testify soon when the defense begins its case on Friday March 28, 2014, after four weeks of prosecution-led testimony. (AP Photo/Chris Collingridge, Pool, File)

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June Steenkamp, right, mother of the late Reeva Steenkamp, is comforted by family friend, Jenny Strydom, left, during the murder trial of Oscar Pistorius, during questioning on mobile phone text messages between Pistorius and girlfriend Steenkamp, in court in Pretoria, South Africa, Tuesday, March 25, 2014. Pistorius is charged with the Valentines Day 2013 shooting death of his girlfriend Reeva Steenkamp. (AP Photo/Siphiwe Sibeko, Pool)

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Oscar Pistorius leaves the dock after the prosecution closed its case in his murder trial in Pretoria, South Africa, Tuesday, March 25, 2014. Pistorius is charged with the Valentines Day 2013 shooting death of his girlfriend Reeva Steenkamp. (AP Photo/Esa Alexander, Pool)

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Oscar Pistorius greets and hugs family and friends as the prosecution wraps up its case in Pretoria, South Africa, Tuesday, March 25, 2014. Pistorius is charged with the Valentines Day 2013 shooting death of his girlfriend Reeva Steenkamp. (AP Photo/Esa Alexander, Pool)

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Oscar Pistorius, center, speaks with family and friends, right, as press, left, look on, as the prosecution wrapped up it's case in Pretoria, South Africa, Tuesday, March 25, 2014. Pistorius is charged with the Valentines Day 2013 shooting death of his girlfriend Reeva Steenkamp. (AP Photo/Esa Alexander, Pool)

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FILE: In this file photo taken Monday March 10, 2014, Oscar Pistorius cries as he listens to cross questioning about the events surrounding the shooting death of his girlfriend Reeva Steenkamp, in court during his trial in Pretoria, South Africa. Pistorius is expected to testify soon at his murder trial when the defense begins its case on Friday after four weeks of prosecution-led testimony. (AP Photo/Bongiwe Mchunu, Pool, File)

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Oscar Pistorius sits in the dock prior to proceedings getting under way in court in Pretoria, South Africa, Tuesday, March 25, 2014. Pistorius is charged with murder for the shooting death of his girlfriend Reeva Steenkamp on Valentine's Day in 2013. (AP Photo/Siphiwe Sibeko, Pool)