self-defense. >> reporter: the amount of time you've spent in a courtroom compared to the amount of time you've seen analysis on television it is so critical to lay out for our viewers the difference. if you are a jury panel and you are sitting through the hours upon hours of live testimony, the boring part, the side bars, all of that, you could create a formula for how different it is for a juror to sit through a trial than for someone who watches it on television. maybe that's what leads to our surprise sometimes when we see a verdict that perhaps we don't agree with in tv land. >> that's true. there is no substitute for seeing every single minute of testimony as the jury does of course and there is a scenario here where the defense has presented a story of a battered woman, of someone who snapped in reaction to bad treatment, from her boyfriend. if the jury believes that, that is a recipe for perhaps manslaughter. frankly, i don't see how there is any recipe for a flat out