has not been arrested. >> did george zimmerman fire in self-defense? >> when trayvon martin was killed, the issue when they came to me was they wouldn't arrest zimmerman. as if to say, it's just all right to kill. it's fine. he is a black kid. his life means nothing. >> community leaders are outraged, holding rallies, demanding an arrest. >> i am -- >> trayvon martin. >> no justice. >> no peace. >> we want an arrest. we want a conviction. we want him sentenced for the murder of our son. >> he saw how much the community was hurting all around the country. really wanted to, i think, give voice to it. we were talking to him and he wasn't asking us for our advice. it was more like, i'm going to do this, get ready for it. >> i remember being in the oval office with him, and he was so upset about the fact that this young man couldn't simply walk down the street without being pure seef perceived as a thread. he said, if i had a son, he would look like trayvon martin, with intense emotion. and anger in his voice. he said to david, i know we are having a press c