Attorney General Eric Holder arrives at a House Oversight and Government Reform Committee hearing on Feb. 2. Holder says, "The Civil Rights Division ... is the conscience of the Justice Department." Mark Wilson/Getty Images hide caption

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A memorial to 17-year-old Trayvon Martin outside the community in Sanford, Fla., where the teen was shot. Roberto Gonzalez/Getty Images hide caption

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In this undated photo provided by Yasir Afifi, Afifi shows a GPS monitering device he found on his car in Santa Clara Calif. FBI agents arrived at Afifi's Santa Clara apartment and demanded the return of their property a global positioning system tracking device now at the center of a raging legal debate over privacy rights. Yasir Afifi/AP hide caption

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Charles Dutton is an award-winning actor. But as a juvenile, he wound up in prison for manslaughter and other crimes. Andrew Kent/Getty Images hide caption

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An artist's rendering of Alaska Sen. Ted Stevens' corruption trial. From left are Stevens, defense lawyers Rob Cary and Brendan Sullivan, prosecutor Joseph Bottini, Judge Emmet Sullivan and chief government witness Bill Allen. Dana Verkouteren/AP hide caption

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Then-Sen. Ted Stevens, R-Alaska, in 2008. Alex Wong/Getty Images hide caption

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Law enforcement agents raid a home where the occupants are suspected of selling drugs last month in Middletown, N.Y. For three months, court papers say, authorities tracked them using wiretaps and cameras set up on telephone poles and trees. Chet Gordon/AP hide caption

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