In a letter to Congress, Michael Cohen disputed allegations about him contained in a dossier compiled by a former British spy.
Michael Caputo, who was a communications adviser during the presidential race, has been asked to sit for an interview and to provide documents about his connections to the Kremlin.
The revelation fueled criticism that Representative Devin Nunes has been too eager to do the White House’s bidding, not run an independent investigation
James B. Comey said that the agency is investigating Russian interference in the 2016 presidential election.
The F.B.I. director, along with the N.S.A. director, will meet on Monday with a panel investigating Russia’s role in the 2016 election.