Markus Kaarma waits to be dismissed during an afternoon break in Missoula County Court in Missoula, Mont., in this Dec. 5 photo. A jury found Kaarma guilty Wednesday of deliberate homicide in the shooting death of a German high school exchange student who entered his garage. Arthur Mouratidis/Reuters /Landov hide caption

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Attorney General Eric Holder speaks at the annual convention of the NAACP in Orlando, Fla., on Tuesday. Holder told the convention that "Stand Your Ground" laws that have been adopted in 30 states should be reconsidered. David Manning/Reuters /Landov hide caption

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George Zimmerman leaves court with his family after Zimmerman's not guilty verdict was read in Seminole Circuit Court in Sanford, Fla. on Saturday. Joe Burbank/AP hide caption

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George Zimmerman, who is charged with second-degree murder in the death of Trayvon Martin, at a court hearing last June in Seminole County, Fla. Joe Burbank/Orlando Sentinel/pool/Getty Images hide caption

itoggle caption Joe Burbank/Orlando Sentinel/pool/Getty Images