Chicago Rallies For Trayvon Martin(01 of12)
Open Image ModalParticipants at the "Justice for Trayvon" rally in Chicago raise their hands during a benediction, Saturday, July 20, 2013. The Rev. Al Sharpton's National Action Network organized "Justice for Trayvon" rallies nationwide to press for federal civil rights charges against George Zimmerman, who was found not guilty in the shooting death of unarmed teenager Trayvon Martin. (AP Photo/Scott Eisen) (credit:AP)
Chicago Rallies For Trayvon Martin(02 of12)
Open Image ModalA woman with a shirt with Trayvon Martin's face on it that reads "No Justice, No Peace" stands at the "Justice for Trayvon" rally in Chicago, Saturday, July 20, 2013. The Rev. Al Sharpton's National Action Network organized "Justice for Trayvon" rallies nationwide to press for federal civil rights charges against George Zimmerman, who was found not guilty in the shooting death of unarmed teenager Trayvon Martin. (AP Photo/Scott Eisen) (credit:AP)
Chicago Rallies For Trayvon Martin(03 of12)
Open Image ModalRev. Jesse Jackson speaks at a "Justice for Trayvon" rally in Chicago, Saturday, July 20, 2013. The Rev. Al Sharpton's National Action Network organized "Justice for Trayvon" rallies nationwide to press for federal civil rights charges against George Zimmerman, who was found not guilty in the shooting death of unarmed teenager Trayvon Martin. (AP Photo/Scott Eisen) (credit:AP)
Chicago Rallies For Trayvon Martin(04 of12)
Open Image ModalA hooded sweatshirt in the shape of a person is held up signifying Trayvon Martin at a "Justice for Trayvon" rally in Chicago, Saturday, July 20, 2013. The Rev. Al Sharpton's National Action Network organized "Justice for Trayvon" rallies nationwide to press for federal civil rights charges against George Zimmerman, who was found not guilty in the shooting death of unarmed teenager Trayvon Martin. (AP Photo/Scott Eisen) (credit:AP)
Chicago Rallies For Trayvon Martin(05 of12)
Open Image ModalParticipants at the "Justice for Trayvon" rally in Chicago hold hands and pray during a moment of silence, Saturday, July 20, 2013. The Rev. Al Sharpton's National Action Network organized "Justice for Trayvon" rallies nationwide to press for federal civil rights charges against George Zimmerman, who was found not guilty in the shooting death of unarmed teenager Trayvon Martin. (AP Photo/Scott Eisen) (credit:AP)
Chicago Rallies For Trayvon Martin(06 of12)
Open Image ModalParticipants in a "Justice for Trayvon" rally hold up a signs in downtown Chicago, Saturday, July 20, 2013. The Rev. Al Sharpton's National Action Network organized rallies nationwide to press for federal civil rights charges against George Zimmerman, who was found not guilty in the shooting death of unarmed teenager Trayvon Martin. (AP Photo/Scott Eisen) (credit:AP)
Chicago Rallies For Trayvon Martin(07 of12)
Open Image ModalZakiyyah Muhammed ,of Chicago, raises a sign during a "Justice for Trayvon" rally in Chicago, Saturday, July 20, 2013. The Rev. Al Sharpton's National Action Network organized "Justice for Trayvon" rallies nationwide to press for federal civil rights charges against George Zimmerman, who was found not guilty in the shooting death of unarmed teenager Trayvon Martin. (AP Photo/Scott Eisen) (credit:AP)
Chicago Rallies For Trayvon Martin(08 of12)
Open Image ModalA man holds up a sign at the "Justice for Trayvon" rally in downtown Chicago, Saturday, July 20, 2013. The Rev. Al Sharpton's National Action Network organized "Justice for Trayvon" rallies nationwide to press for federal civil rights charges against George Zimmerman, who was found not guilty in the shooting death of unarmed teenager Trayvon Martin. (AP Photo/Scott Eisen) (credit:AP)
Chicago Rallies For Trayvon Martin(09 of12)
Open Image ModalParticipants in the "Justice for Trayvon" rally in Chicago hold up signs, Saturday, July 20, 2013. The Rev. Al Sharpton's National Action Network organized "Justice for Trayvon" rallies nationwide to press for federal civil rights charges against George Zimmerman, who was found not guilty in the shooting death of unarmed teenager Trayvon Martin. (AP Photo/Scott Eisen) (credit:AP)
Chicago Rallies For Trayvon Martin(10 of12)
Open Image ModalCHICAGO, IL - JULY 20: Demonstrators attend a 'Justice For Trayvon' rally at Federal Plaza in the Loop July 20, 2013 in Chicago, Illinois. The rally was one of a scheduled 100 to be held in cities across the country today to protest a Florida jury's decision last week to find neighborhood watch volunteer George Zimmerman not guilty of murder in the February 2012 shooting death of Trayvon Martin. (Photo by Scott Olson/Getty Images) (credit:Getty Images)
Chicago Rallies For Trayvon Martin(11 of12)
Open Image ModalCHICAGO, IL - JULY 20: Demonstrators attend a 'Justice For Trayvon' rally at Federal Plaza in the Loop July 20, 2013 in Chicago, Illinois. The rally was one of a scheduled 100 to be held in cities across the country today to protest a Florida jury's decision last week to find neighborhood watch volunteer George Zimmerman not guilty of murder in the February 2012 shooting death of Trayvon Martin. (Photo by Scott Olson/Getty Images) (credit:Getty Images)
Chicago Rallies For Trayvon Martin(12 of12)
Open Image ModalCHICAGO, IL - JULY 20: Demonstrators attend a 'Justice For Trayvon' rally at Federal Plaza in the Loop July 20, 2013 in Chicago, Illinois. The rally was one of a scheduled 100 to be held in cities across the country today to protest a Florida jury's decision last week to find neighborhood watch volunteer George Zimmerman not guilty of murder in the February 2012 shooting death of Trayvon Martin. (Photo by Scott Olson/Getty Images) (credit:Getty Images)