Oscar Pistorius arrives at the high court in Pretoria, South Africa, Friday, April 11, 2014. The chief prosecutor laughed scornfully at an answer from Pistorius during the Olympic athlete's murder trial Thursday, mocking the man who shot his girlfriend. Pistorius is charged with murder for the shooting death of his girlfriend, Reeva Steenkamp, on Valentine's Day in 2013. (AP Photo/Themba Hadebe), APTOPIX