Ali Muhammad, of the Revolutionary Black Panthers, leads a black power chant in the crowd during an NAACP march and rally in front of the Sanford Police Department for Trayvon Martin in Sanford

 
Ali Muhammad, of the Revolutionary Black Panthers, leads a black power chant in the crowd during an NAACP march and rally in front of the Sanford Police Department for Trayvon Martin in Sanford
The Revolutionary Black Panthers, pictured above, put a bounty on Zimmerman's head and sparked outrage.