Naacp President Benjamin Jealous (l) and Rev Al Sharpton (c) Stand Behind the Parents of Trayvon Martin Sybrina Fulton and Tracy Martin As They Step to the Podium to Address Attendees Before the Start of a Rally Attended by Rev Al Sharpton For the Slain Florida Teen at Fort Mellon Park in Sanford Florida Usa 22 March 2012 the Sanford Police Department's Decision to not Arrest the Man Accused of Killing 17 Year-old Trayvon Martin in February Has Created a Public Outcry For Justice From Many Citizens and Civil Right's Groups Police Say Martin was Unarmed when He was Shot by Neighborhood Watch Captain George Zimmerman who Claims to Have Shot the Teen in Self Defense United States Sanford