bloody crime scene where olympian oscar pistorius shot his girlfriend a few months ago. they show that blood spattered bathroom in which reeva steenkamp was shot. that runner who's been charged with murder now does admit he shot and killed her, but he says it was an accident. he says he mistook her for a burglar. joining us now from johannesburg, south africa, cnn's robyn kurnow. can you explain what we're seeing in the photo? >> this is essentially the center of the investigation for the state. what you're looking at is the very place where oscar pistorius shot dead reeva steenkamp. you see pools of blood on the floor of this bathroom. more crucially i think in terms of evidence you see the markers of where the bullet holes went through that closed door. and of course that will indicate to investigators whether or not oscar pistorius had his