An IKONOS satellite image of a facility near Kabul, Afghanistan, on July 17, 2003, shows what is reportedly the largest CIA covert prison in Afghanistan, code-named the Salt Pit. Reuters/Landov hide caption

itoggle caption Reuters/Landov

Senate intelligence committee chairwoman Sen. Dianne Feinstein, D-Calif., is again defending her report on CIA torture methods, which was set to be released this week. J. Scott Applewhite/AP hide caption

itoggle caption J. Scott Applewhite/AP

Barbed-wire fence surrounding a military area is pictured in the forest near Stare Kiejkuty village, close to Szczytno in northeastern Poland. The CIA ran a secret jail on Polish soil, the European Court of Human Rights ruled Thursday. Kacper Pempel/Reuters/Landov hide caption

itoggle caption Kacper Pempel/Reuters/Landov

Senate Intelligence Committee Chairwoman Dianne Feinstein alleged in March that the CIA violated federal law by searching computers used by her staff. On Thursday, the Justice Department declined to bring criminal charges against anyone at the CIA or the Senate panel. Jim Lo Scalzo/EPA/Landov hide caption

itoggle caption Jim Lo Scalzo/EPA/Landov

The seal of the CIA at the agency's headquarters in Virginia. Greg E. Mathieson Sr. /MAI/Landov hide caption

itoggle caption Greg E. Mathieson Sr. /MAI/Landov

A Free Syrian Army fighter looks through the scope of his sniper rifle at an area controlled by forces loyal to President Bashar Assad in Aleppo. Reuters/Landov hide caption

itoggle caption Reuters/Landov

Don't go there: A warning sign marks the boundary of Area 51 in Nevada. Dan Callister/Getty Images hide caption

itoggle caption Dan Callister/Getty Images

The seal of the Central Intelligence Agency. The case that prosecutors want journalist James Risen to testify in involves an alleged leak of information by a former CIA agent. Greg E. Mathieson Sr. /MAI/Landov hide caption

itoggle caption Greg E. Mathieson Sr. /MAI/Landov

In Moscow's Red Square, people still line up to visit Lenin's tomb. Though the Cold War is over, Russia and the U.S. keep watchful eyes on each other. Tuesday, Russian officials claimed to have uncovered a CIA spy. Sergei Ilnitsky /EPA /Landov hide caption

itoggle caption Sergei Ilnitsky /EPA /Landov

Former CIA director and retired Gen. David Petraeus during his address Tuesday at the University of Southern California. Frederic J. Brown /AFP/Getty Images hide caption

itoggle caption Frederic J. Brown /AFP/Getty Images

The nominees: John Brennan (left), who is President Obama's choice to head the CIA; and former Sen. Chuck Hagel, R-Neb., who the president has asked to be secretary of defense. STAFF/Reuters /Landov hide caption

itoggle caption STAFF/Reuters /Landov

John Brennan, who President Obama wants to lead the CIA. Alex Wong/Getty Images hide caption

itoggle caption Alex Wong/Getty Images