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George Zimmerman is charged with second-degree murder for killing Trayvon Martin on Feb. 26, 2012. Zimmerman says he shot the 17 year old in self-defense.
According to Zimmerman, Martin reached for Zimmerman's gun during the altercation, leading Zimmerman to then shoot Martin. But does the evidence match Zimmerman's story about what led to Martin's death? Vinnie Politan and HLN law enforcement analyst Mike Brooks break down the key evidence and what Sanford Police may have missed during the initial investigation.