Law_Crime

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Former Sen. John Edwards arrives with his mother, Bobbie Edwards, at the federal courthouse in Greensboro, N.C., on Thursday, May 10, 2012, for his trial on charges of violating campaign-finance laws. (AP Photo/Gerry Broome)

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** FILE ** Maricopa County Sheriff Joe Arpaio conducts a news conference on Jan. 10, 2012, in Phoenix. (Associated Press)

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ASAlabama Gov. George C. Wallace (left) raises his hand to stop U.S. Deputy Attorney General Nicholas Katzenbach in 1963 as Wallace fails to keep blacks from enrolling at the University of Alabama. Mr. Katzenbach, who played a key role in federal desegregation of the South, died Tuesday. He was 90. (Associated Press)

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Nicholas Katzenbach, here as attorney general in his office at the Department of Justice in 1965, held influential posts in the Kennedy and Johnson administrations in the '60s and played a prominent role in federal desegregation efforts in the South. (Associated Press)

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FBI Director Robert S. Mueller III testifies to the House Judiciary Committee on Wednesday in favor of reauthorizing the FISA Amendments Act. (Associated Press)

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Keith R. Judd, who is serving a prison sentence for extortion, revealed how unpopular Mr. Obama is in West Virginia by taking 41 percent of the presidential primary vote and defeating the incumbent in nine of the state's 55 counties. (Beaumont Enterprise via Associated Press)

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MPD Chief Cathy L. Lanier, center, with Assistant Chief Peter Newsham, left, and Commander Melvin Scott, right, speaks about an undercover operation that resulted in the arrest of 70 suspects and confiscation of firearms and narcotics with a value of more than $7.1 million at Metropolitan Police Department headquarters in Washington, D.C. on Dec. 19, 2011. (T.J. Kirkpatrick/ The Washington Times)

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Thomas "Tommy Shots" Gioeli is led away by FBI agents after his arraignment in 2008. Gioeli was convicted Wednesday by a federal jury in Brooklyn on racketeering charges but acquitted in the 1997 slaying of a New York police officer. (Associated Press)