What information Mr. Flynn provided Mr. Mueller is unknown. Mr. Flynn admitted repeatedly lying to investigators about his dealings with Russia and his lobbying on behalf of the Turkish government. Mr. Trump said he fired Mr. Flynn for misleading Vice President Mike Pence about his conversations with Mr. Kislyak. Mr. Flynn was also under F.B.I. Mr. Trump denies that.
Source: New York Times September 17, 2018 21:22 UTC