The Hughes Glomar Explorer off the coast of Catalina Island, Calif., in August 1975, a year after its secret CIA mission to raise a Soviet sub that sank in the Pacific Ocean. This was one of the CIA's most elaborate and expensive operations. The CIA has just declassified new documents that show the Soviets were suspicious, but never actually knew what the Americans were doing. AP hide caption
President Trump's former national security adviser, Michael Flynn, leaves many questions behind after his resignation Monday night. Nicholas Kamm/AFP/Getty Images hide caption
An Afghan detainee is held at the Parwan detention facility near Bagram Airfield in Afghanistan in 2011. A document circulating in Washington suggests the Trump administration might reactivate secret CIA "black sites" for terrorism detainees around the world. Dar Yasin/AP hide caption
President-elect Donald Trump talks to reporters at Mar-a-Lago in Palm Beach, Fla., last month. He met Friday with top U.S. intelligence officials about Russian interference in the election. Evan Vucci/AP hide caption
President-elect Donald Trump has been dismissive of the intelligence community for sounding the alarm on Russia's interference in November's election. Saul Loeb/AFP/Getty Images hide caption
Russian President Vladimir Putin in a meeting at the Kremlin in Moscow. U.S. intelligence agencies agree that Russia intervened in the presidential election to help Donald Trump. Mikhail Klimentyev/AP hide caption
Mike Pompeo, Donald Trump's nominee to head the CIA, has been a congressman from Kansas for the past six years. He's shown here questioning Hillary Clinton last year during a House Select Committee on Benghazi hearing. Jacquelyn Martin/AP hide caption
President-elect Trump met in the Oval Office with President Obama last month. Trump would get daily intelligence briefings there, but he has expressed skepticism about their worth. Pablo Martinez Monsivais/AP hide caption
Former Secretary of State Hillary Clinton and John Podesta arrive for a portrait unveiling ceremony for retiring Senate Minority Leader Harry Reid, D-Nev., last week. Tom Williams/CQ-Roll Call,Inc. hide caption
U.S. intelligence agencies charge that operatives with ties to Russia and Vladimir Putin's (above) administration hacked private Clinton and Democratic National Committee emails during the presidential election and released them via WikiLeaks. Darko Vojinovic/AP hide caption
Alabama Sen. Jeff Sessions pledges his support for then-Republican presidential candidate Donald Trump before speaking to supporters on Oct. 10 at a rally in Ambridge, Pa. Jeff Swensen/Getty Images hide caption
CIA Director John Brennan. Andrew Harnik/AP hide caption
Former CIA operative Sabrina De Sousa, photographed in her then-home in Washington, D.C., in 2013, has lost an appeal to the Portuguese court system and will be extradited to Italy, she says. Barbara L. Salisbury/MCT via Getty Images hide caption
Sabrina De Sousa, shown here at her Washington home in 2012, is a former CIA officer who was convicted in absentia by an Italian court for the 2003 abduction of a terrorism suspect, cleric Abu Omar, in Milan, Italy. She was detained in Portugal and could be extradited to Italy. The Washington Post/Getty Images hide caption
Duane "Dewey" Clarridge, a CIA veteran, speaks in May 2007 during an Arkansas Committee on Foreign Relations luncheon in Little Rock, Ark. The retired spy criticized the CIA's leadership and said a lack of human intelligence had led to mistakes in Iraq, Iran and North Korea. Mike Wintroath/AP hide caption