8 of 31: Trayvon Martin's parent's Tracy Martin, left, and Sybrina Fulton, center, are joined by an unidentified woman during the Million Hoodie March in Union Square Wednesday, March 21, 2012 in New York. A few hundred people are marching in New York City in memory of Trayvon Martin, a black teenager shot to death by a Hispanic neighborhood watch captain in Florida. The teenager was unarmed and was wearing a hoodie. (AP Photo/ Mary Altaffer)

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