Reeva Steenkamp 's starts with apology , saying he can not imagine the pain he caused . Defense witness is questioned about Pistorius wounds , when she last ate . He pleaded not guilty to murder when the high-profile trial opened last month . Barry Roux defense teams will call 14 to 17 witnesses , lawyer Oscar Pistorius says . Pistorius says he thought Pistorius was an intruder and shot in self-defense .
Reeva Steenkamp 's starts with apology , saying he can not imagine the pain he caused . Defense witness is questioned about Pistorius wounds , when she last ate . Barry Roux defense teams will call 14 to 17 witnesses , lawyer Oscar Pistorius says . Pistorius says he thought Pistorius was an intruder and shot in self-defense .