Six women have been selected for the trial of George Zimmerman, right, on second-degree murder charges in the death of Trayvon Martin. Zimmerman was in court Thursday with his defense attorney, Mark O'Mara. Pool/Getty Images hide caption

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George Zimmerman, the man accused of second-degree murder in the shooting death of Trayvon Martin. Joe Burbank / Orlando Sentinel /MCT /Landov hide caption

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From 'Morning Edition': NPR's Greg Allen previews the George Zimmerman trial

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George Zimmerman, defendant in the killing of Trayvon Martin, at an April 30 court hearing in Sanford, Fla. Joe Burbank/pool/Getty Images hide caption

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Sybrina Fulton, mother of Trayvon Martin. Paul J. Richards /AFP/Getty Images hide caption

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Sybrina Fulton on 'Tell Me More'

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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

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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

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Defense attorney Mark O'Mara (left) with his client, George Zimmerman, at an April hearing related to second-degree murder charges in the killing of Trayvon Martin in Sanford, Fla. Pool/Getty Images hide caption

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George Zimmerman

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