happened, was it justifiable homicide. >> how damning do you think for george zimmerman the 911 tapes are one when hears in his own words, that he is following trayvon martin and you hear the operator say, sir, we advise you not to do that. >> i think it's going to be terribly problematic for him. he is going to argue and he has argued to the police that when they say don't follow him any more. that he stopped following him. so who is to stay that he continued. and who's to say that he didn't. but the fact of the matter is that the entire scenario is borne of george zimmerman. so the question that's going to be duked out in a courtroom is, does stand your ground apply when you created the situation where the altercation took place, even if the other guy took the first punch. >> frances, zimmerman's legal adviser spoke and this is what he said. >> i think he's been advised by law enforcement and by me to keep a low profile until things,