Florida authorities released nearly 200 pages of documents and other items from the investigation of the shooting death of Trayvon Martin
Trayvon Martin Case Evidence Photos

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This Feb. 27, 2012 photo released by the State Attorney's Office shows George Zimmerman, the neighborhood watch volunteer who shot Trayvon Martin, with blood on the back of his head.

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This Feb. 27, 2012 photo released by the State Attorney's Office shows George Zimmerman, the neighborhood watch volunteer who shot Trayvon Martin, with blood on the back of his head.

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This Feb. 26, 2012 photo released by the State Attorney's Office shows a yellow evidence marker points to a single bullet casing from the Kel-Tec PF-9 9mm handgun used by George Zimmerman, the neighborhood watch volunteer who shot Trayvon Martin.

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This Feb. 27, 2012 photo released by the State Attorney's Office shows George Zimmerman, the neighborhood watch volunteer who shot Trayvon Martin, with blood on the back of his head.