going on. the jurors are not in the courtroom. mark o'mara representing the defense, that's daniel schumaker, he's a computer animator. they've come up with a computerized animation, mostly still photos, according to mark o'mara, of what happened during those fateful moments when this man, george zimmerman, who's in the courtroom right now, shot and killed trayvon martin. zimmerman says in self defense. the state says second-degree murder. they are trying to figure out what to do. the judge is hearing both sides. the prosecution doesn't want this animation admitted as evidence. the defense does. we're monitoring what's going on. after the judge makes a decision on this piece of potential evidence, then the jurors will be brought in and the defense will resume its side of the story. they'll bring in more defense witnesses. we'll have live coverage of that coming up, so stand by. by there's other important news happening right now, as well, including this. the national transportation safety board says investigators