admits to shooting and killing trayvon martin will be arrested and charged. special prosecutor angela corey has chosen not to use a grand jury to investigate the florida teenager s death. it is up to her to figure out whether to file charges against george zimmerman or drop the case altogether. as you can see there, peaceful protests and unrelenting protests marching to the sanford police department demanding an immediate arrest. david mattingly is live in sanford tonight. a lot of people say this was an unexpected move but not the family attorney. let s listen. anticipating that there will be no grand jury because the family has always been hopeful that they would there would simply be an arrest. we believe from day one that they had enough evidence to arrest the killer of trayvon martin. help us understand, david, why do they think this is good news? well, by going to a grand jury, it could have given off signals the prosecutor in this case wasn t 100% certain tha