Richard Burr, announced that Flynn would not be complying with the Senate's subpoena - although he later walked that back by saying that he'd not yet gotten a "definitive answer" from Flynn's lawyer. Comey apparently kept memos of his interactions with top officials and he reportedly wrote that during a conversation with Trump in February, the president said of the Flynn investigation, "I hope you can let this go." . Flynn, who had worked as Trump's national security adviser during the campaign and served in the White House for less than a month, has been at the center of the controversy.
NBC News's Frank Thorp obtained a statement, which asserts that the attorneys "have not yet indicated their intentions regarding the Senate Intelligence Committe's subpoena". Flynn, through his lawyer, had earlier asked for immunity from "unfair prosecution" in exchange for agreeing to cooperate with the committee.
The communications had been intercepted by the USA intelligence community because they involved Russian officials, who are routinely monitored for national security concerns.
The top Democrat and Republican on a House oversight committee have said Flynn likely broke federal law by failing to get approval from the USA government to accept foreign payments, including $33,000 in 2015 from RT, Russia's state-sponsored television network. Yet he still emerged as the newly sworn-in president's national security adviser. Those letters sought a wide array of electronic and paper records related to any contacts people affiliated with the Trump campaign had with Russian officials and Russian businesses. Flynn's attorneys had said in the past that he might not turn over requested documents.
The relevant statute, 2 U.S.C. § 194, directs the President of the Senate (Vice President Mike Pence or, in his absence, president pro tempore Orrin Hatch) to certify the contempt statement of facts to the "to the appropriate United States attorney, whose duty it shall be to bring the matter before the grand jury for its action".More news: Birthplace of grunge mourns 'Seattle's son' Chris Cornell
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After Trump's inauguration, Flynn's representatives told the White House counsel that Flynn, who was already serving as national security adviser, would be registering with the Justice Department.
Mueller's appointment was not expected to affect the FBI or congressional investigations, and his character was praised by lawmakers on both sides of the aisle.
The committee, which is conducting an investigation of Russian interference in the election separate from the Justice Department, issued the subpoena last Wednesday.
"General Flynn has a story to tell, and he very much wants to tell it, should the circumstances permit", said Flynn's lawyer, Robert Kelner.