investigation. he s also saying this is one big huge accident. they don t believe that. they think he actually killed his girlfriend after they argued because he was angry. so they want to show the court early on he s not taking responsibility. as they go step through step through his story and challenge everything he said, they want to prove that to the court. then he talked about how he showed video of pistorius shooting at a watermelon and compare that to grotesquely the head of reeva steenkamp after she had been injured in the shooting. what was his purpose in doing that? it s a part of their theme about who oscar pistorius is. he knows guns, he s flippant with them, irresponsible about them. they have testimony about him using a gun twice, shooting at a restaurant, shooting out of a car. you have this video. oscar has been sitting there crying every day on the witness stand. all of a sudden they show him on