the prosecutor you just heard about in the pistorius trial is a man named jerry nell. t days straight grilling a witness on the stand. what is nell's strategy with pistorius? joining me for an answer to that, attorney tom mesereau representing a range of high-profile clients, including michael jackson. first up, how do you think this gambit of playing that watermelon footage for the court? obviously a devastating moment in that courtroom. >> well, the prosecutor's trying to show there's a very different side of this defendant. we've's heard days of testimony where he's been crying, breaking down, vomiting, showing his extraordinary sensitivity to this. telling everyone he's been haunted by this, minute by minute, ever since it happened. the prosecutor is trying to show that before this shooting took place, this individual was arrogant, self-entitled, na narcissist narcissistic, selfish, free with his words, free with firing guns. a very egotistical individual who thought the rules didn't apply to him. to do that, he has to shift the tone quickly. that's why he went afte

and his version of events of what took place exactly, the big thing, the cross-examination, and jerry nellwill be doing that very tough cross examiner, what would you expect to occur in that instance with him very much under pressure, oscar pistorius? >> absolutely. it's going to be a very gruelling experience considering his fragile emotional state. but having said that, having seen the extent to which he's so fragile emotionally at the moment, it may be difficult for harry nell as well. he he's known for his aggressive style of cross-examination. but there is a fine line between aggressive and vehement cross-examination and when are a judge will feel you're badgering a witness. i think he will have to walk that line very carefully now in cross-examination. but that will really be the crucial part of his appearance on the stand, of pistorius' appearance on the stand. because we can evaluate how he's done in his testimony in chief in terms of putting his version in a clear and coherent way on the record. but until he has faired through cross-examination, we can't really determine yet just

jerry nell asked pistorius why he didn't check his girlfriend's whereabouts before firing four shots through the bathroom door. pistorius sai he shot her by mistake after thinking there was an intruder in his home. nell accused pistorius of standing -- well, anyway, the girlfriend was standing behind the bathroom door. that's the point. apparently, in some people's opinions, talking to the olympian when he was shot. pistorius denied nell's claim, claiming, "that's not true!" in a dramatic exchange at trial. jury has been adjourned since monday. >> we'll watch that, picking it up next week. >>> but in the meantime, we're watching the weather. the weekend is here, krchristin what's it going to be? >> it's going to be nice. i'm watching the clock, because as you know, it's friday. we're winding down our day. maybe yours is just getting started. these temperatures will motivate you to get outdoors. 60 straight up in san jose. you'll notice a blanket of clouds overhead. a little bit of sunshine out there. we're getting some intervals of sun, but overall, mostly cloudy as a storm system is