Gallery: Oscar Pistorius trial Day 15

Oscar Pistorius, center, with relatives arrives at the high court in Pretoria, South Africa, Tuesday, March 25, 2014. Pistorius is charged with murder for the shooting death of his girlfriend, Reeva Steenkamp, on Valentines Day in 2013. (AP Photo/Themba Hadebe)

Desiree Myers, a close family friend of Reeva Steenkamp, arrives outside the high court in Pretoria, South Africa, Tuesday, March 25, 2014. Oscar Pistorius is charged with murder for the shooting death of his girlfriend, Reeva Steenkamp, on Valentines Day in 2013. (AP Photo/Themba Hadebe)

Barry Roux (L), lawyer for Oscar Pistorius, gestures during his client's trial for the murder of his girlfriend Reeva Steenkamp. Photo: Siphiwe Sibeko/Reuters

Reeva Steenkamp's mother June (R) reacts with her long time friend Jenny Strydom as CCTV footage is shown during Oscar Pistorius's trial for the murder. Photo: Siphiwe Sibeko/Reuters

Oscar Pistorius reacts in the dock during cross questioning on mobile phone text messages between him and Reeva Steenkamp in court in Pretoria. Photo: Siphiwe Sibeko, Pool/AP

Oscar Pistorius reacts in the dock while listening to mobile phone evidence on exchanges of text messages between him as his girlfriend in court in Pretoria. Photo: Esa Alexander, Pool/AP

Former soccer player Mark Bachelor (L) and Gina Myers, friend of Reeva Steenkamp, attend Oscar Pistorius's trial for the murder of his girlfriend Steenkamp. Photo: Siphiwe Sibeko/Reuters

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. Photo: Siphiwe Sibeko, Pool/AP