WASHINGTON, DC - MAY 03: Director of the Federal Bureau of Investigation, James Comey testifies in front of the Senate Judiciary Committee during an oversight hearing on the FBI on Capitol Hill May 3, 2017 in Washington, DC. Comey is expected to answer questions about Russian involvement into the 2016 presidential election. (Photo by Zach Gibson/Getty Images)

Wash. Post: Russian document influenced FBI

The Washington Post reports a "dubious" Russian document may have influenced the FBI's investigation into Hillary Clinton during the 2016 US election. CNN's Laura Jarrett reports.

Burr: Contempt charge against Flynn possible

Senate Intelligence Chairman Richard Burr said "all options are on the table" if Flynn doesn't comply -- including possibly holding him in contempt of Congress -- but he added that was a long way off from where they are now. CNN's Sunlen Serfaty reports.
NEW LONDON, CT - MAY 17: US President Donald Trump looks on as he hands out diplomas to Coast Guard cadets at the commencement ceremony at the U.S. Coast Guard Academy, May 17, 2017 in New London, Connecticut.

White House responds to Washington Post report

The White House responded to the Washington Post report that President Trump asked top intelligence officials to dispute the FBI on the investigation into possible collusion between his campaign and Russia.
FBI Director James Comey speaks during an interview with National Security Division Assistant Attorney General John Carlin during a conference between The Center for Strategic and International Studies(CSIS) and the Justice Department at the CSIS building September 14, 2016 in Washington, D.C. The National Security Division (NSD) of the US Department of Justice was created after 9/11 to integrate law enforcement, intelligence, and other government tools in the fight against national security threats. September 2016 marks NSD's 10-year anniversary since commencing operations / AFP / ZACH GIBSON (Photo credit should read ZACH GIBSON/AFP/Getty Images)

Source: Special counsel briefed on Comey memos

Robert Mueller has been briefed on the contents of some of the memos that former FBI Director James Comey kept to document his conversations with President Donald Trump, according to a person familiar with the matter. CNN's Pamela Brown reports.
WASHINGTON, DC: Retired Lieutenant General Michael Flynn, U.S. national security advisor, attends a swearing in ceremony of White House senior staff in the East Room of the White House on January 22, 2017 in Washington, DC. (Andrew Harrer-Pool/Getty Images)

Dems: Docs show Flynn lied to investigators

A new letter from the leading Democrat on the House oversight committee, Rep. Elijah Cummings, reveals new information about former National Security Adviser Michael Flynn and what he told investigators about his ties to foreign governments when he was interviewed about his security clearance.
US President Barack Obama meets with President-elect Donald Trump in the Oval Office at the White House on November 10, 2016 in Washington, DC.

Source: Obama warned Trump not to hire Flynn

Then-President Barack Obama warned President-elect Donald Trump in November against hiring retired Lt. Gen. Michael Flynn as his national security adviser, former Obama administration officials confirmed to CNN.
NEW YORK, NY - NOVEMBER 29:  General Mike Flynn, Donald Trump's new national security adviser, arrives at Trump Tower on November 29, 2016 in New York City. President-elect Donald Trump and his transition team are in the process of filling cabinet and other high level positions for the new administration.  (Photo by Spencer Platt/Getty Images)

What did Mike Pence know about Flynn?

Vice President Mike Pence is standing by a March statement that he first learned of Michael Flynn's ties to Turkey from media reports, despite revelations President Trump's transition team was made aware far earlier.