trouble. gregg: faith, what do you think? >> i think this is part of the prosecutor's narrative they want to argue in their closing statements. not only george zimmerman lied about this and other things to completely discredit his story, but also to show he was an overzealous wannabe cop and what they said in their opening statement. this is just something to follow up on that. gregg: yeah. >> he wanted to be a police officer. he tried. he failed. he took all of these criminal justice classes. and as a result he is this overzealous neighborhood watch guy patrolling his neighborhood with a loaded gun. gregg: you know on cross-examination, ashley, this professor nicely explained the jury instruction on self-defense. that you don't have to retreat. if you're in fear of imminent serious bodily injury or death you're allowed to use deadly force some that -- >> these witnesses were great. gregg: that is helpful for the defense, isn't it? >> definitely. they were great for the defense. we got to hear over and over and