George Zimmerman, in a 2005 mug shot provided by the Orange County (Fla.) jail, via The Miami Herald. He was arrested that year for an incident involving a dispute with a local alcohol control official. /AP hide caption

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/AP

George Zimmerman, in the red jacket, as he was led through a police station in Sanford, Fla., after the Feb. 26 shooting death of Trayvon Martin. ABC News hide caption

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ABC News

From 'Morning Edition': A look at Marion Hammer, who championed 'Stand Your Ground'

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Tracy Martin (left) and Sybrina Fulton appear at a forum held by Democratic members of Congress in Washington on Tuesday. Lawmakers discussed the death of the couple's son, Trayvon Martin, and racial profiling. Chip Somodevilla/Getty Images hide caption

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Chip Somodevilla/Getty Images