National Security Agency Videos
What you need to know today: Russia probe, reports Mueller investigating Trump and more
ABC News' Amna Nawaz reports latest on Russia probe.
Report: Trump under investigation for obstruction of justice
Special counsel Robert Mueller is investigating whether President Trump attempted to obstruct justice in the probe of Russian interference in the 2016 election, The Washington Post reports.
Federal prosecutors suggest Reality Winner harbored dark thoughts
FBI agents seized handwritten notes from home of NSA contractor facing espionage charges for allegedly leaking classified report.
FRIDAY REWIND: James Comey's testimony
Take a look at this week's top stories, including former FBI Director James Comey's testimony before the Senate Intelligence Committee.
What you need to know today: Trump nominates former Justice official as new FBI director
ABC News' Amna Nawaz breaks down what you need to know today about the Russia probe.
Intel chiefs won't say if Trump asked them to intervene in investigations
Two top intelligence officials refused to comment today on whether they had been asked by President Trump or the White House to intervene in any ongoing investigation, but said they had not felt pressured to do so.
Intelligence officials say Trump has never pressured them
ABC News' Josh Haskell reports on the latest on the Senate hearing on FISA authority.
NSA contractor Reality Leigh Winner faces prosecution for alleged leak of top-secret report
The information in the leaked document revealed that the U.S. had solid evidence that Russian spies had tried to hack into voter registration offices around the country just before the election.
Contractor charged with classified leak about 2016 election
Reality Leigh Winner, 25, of Augusta, Georgia, is accused of printing an intelligence report from her workplace and later sharing the materials with The Intercept website.
Trump arrives in Rome, Russia probe continues
ABC News' Amna Nawaz breaks down today's headlines - from reports that former national security adviser Mike Flynn withheld info to Trump allegedly asking DNI Dan Coats and NSA Director Mike Rogers to deny evidence of Russia collusion.