. >> judge willem heath, thank you very much for the moment. stay with us. exactly does this charge of culpable homicide, this conviction now that oscar pistorius has to his name mean for him? andrew harding, my colleague, looks at the implications of being found guilty. >> reporter: oscar pistorius shortly after he had killed reeva steenkamp. from the very beginning, he insisted it was a terrible mistake, that he and reeva, seen arriving at his home a few hours earlier, were very much in love. >> i was simply trying to protect reeva. i can promise that when she went to bed that night she felt loved. >> reporter: in court, but not shown on the cameras, pistorius maintained that he shot through his bathroom door, convinced an intruder had broken into his home. his grief and regret were compelling. >> and i sat over reeva and i cried, and i don't know how long. i don't know how long. she wasn't breathing. >> reporter: pistorius's defense made much of the athlete's vulnerability as a disabled man, confronting a perceived threat. >> his capacity to walk without