he was just lying there. very quickly i realized that it wasn't that. and i knew that my dad was in heaven within seconds. and i ran around the truck, and i saw my son lying there, and there were already two people with him. there were two men whom i don't know. and they were holding him, and i did not get a good look at him. i saw just that he seemed a little lifeless. it was a horrible act of violence, and my dad, our dad, and my son were at the wrong place at the wrong time for a split second. >> and she went on to say she takes comfort in the fact that neither her father nor her son saw the attack coming, and they felt no pain. we are waiting for the murder trial of oscar pistorius to get underway. >> he has just arrived at pretoria's high court. that happened a few minutes ago. coming up, we'll look at the line of questioning which can be expected from that very aggressive prosecutor.