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PRETORIA, SOUTH AFRICA - MAY 6: (SOUTH AFRICA OUT) (BY COURT ORDER, THIS IMAGE IS FREE TO USE) Oscar Pistorius in the Pretoria High Court on May 6, 2014, in Pretoria, South Africa. Oscar Pistorius stands accused of the murder of his girlfriend, Reeva Steenkamp, on February 14, 2013. This is Pistorius' official trial, the result of which will determine the paralympian athlete's fate. (Photo by Alon Skuy - Pool/Getty Images)
PRETORIA, SOUTH AFRICA - MAY 6: (SOUTH AFRICA OUT) (BY COURT ORDER, THIS IMAGE IS FREE TO USE) Oscar Pistorius in the Pretoria High Court on May 6, 2014, in Pretoria, South Africa. Oscar Pistorius stands accused of the murder of his girlfriend, Reeva Steenkamp, on February 14, 2013. This is Pistorius' official trial, the result of which will determine the paralympian athlete's fate. (Photo by Alon Skuy - Pool/Getty Images)

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Pistorius' neighbor imitates scream

Defense attorneys have asked Oscar Pistorius' neighbor to replicate a scream from the night Reeva Steenkamp was killed.

Pistorius' neighbor imitates scream

Defense attorneys have asked Oscar Pistorius' neighbor to replicate a scream from the night Reeva Steenkamp was killed.