Central Intelligence Agency

Senate Majority Leader Harry Reid faces reporters on Capitol Hill in Washington on March 11, following a caucus lunch. J. Scott Applewhite/AP hide caption

Sen. Dianne Feinstein accused the CIA publicly and at length of hacking Senate computers to spy on Senate aides and remove documents. Uncredited/AP hide caption

Sen. Dianne Feinstein speaks to reporters after speaking about her oversight committee's problematic relationship with the CIA Tuesday. CIA Director John Brennan says his agency isn't trying to delay the panel's report on the U.S. interrogation program. Mark Wilson/Getty Images hide caption

A "proof of life" photo provided to the family of ex-FBI agent Robert Levinson in April 2011. Uncredited/AP hide caption

National Intelligence Director James Clapper (left), accompanied by Gen. Keith Alexander, the director of the National Security Agency, testifies on Capitol Hill Wednesday. Evan Vucci/AP hide caption

Egyptian cleric Osama Mustafa Hasan Nasr, photographed in 2007. Better known as Abu Omar, he was allegedly kidnapped by CIA agents in Italy in 2003 and taken to Egypt for interrogation. Amr Nabil/Associated Press hide caption

Illinois Rep. Jan Schakowsky arrives in Chicago with President Obama in March. Paul Beaty/AP hide caption