Michael Horowitz, the Justice Department's inspector general, testifies before a House committee in 2012 critical of the department's "Operation Fast and Furious." Thursday, he said a legal opinion from the department could block his office from getting documents crucial to his watchdog role. J. Scott Applewhite/AP hide caption

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Republican political operative Tyler Harber admitted in federal court to illegally coordinating between a campaign and superPAC. He was sentenced to two years in prison and two years' probation. Neil Conway/flickr Creative Common hide caption

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U.S. Sen. Robert Menendez, D-N.J., (right) speaks alongside his lawyer, Abbe Lowell, after being indicted on corruption charges in April. Kena Betancur/Getty Images hide caption

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Ferguson, Mo., Police Chief Thomas Jackson is resigning after a scathing Justice Department report showed racial bias in the department and the city's courts. Jeff Roberson/AP hide caption

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Sen. Bob Menendez, D-N.J., speaks to reporters during a news conference in Newark on Friday. The Justice Department plans to file charges alleging that he did political favors for a friend and donor, NPR has confirmed. John Minchillo/AP hide caption

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Former CIA Director and retired four-star Gen. David Petraeus speaks at the University of Southern California on March 26, 2013, his first public speech after resigning as CIA director. Kevork Djansezian/Getty Images hide caption

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The Juvenile Justice Delinquency and Prevention Act allocates grant money to states, which are supposed to protect young offenders and make sure they're not housed with adult criminals. Whistleblowers say they've spent years flagging problems with the programs. David Goldman/AP hide caption

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