However, Flynn's counsel did speak up this week following a report from the Wall Street Journal that Mueller was looking into reports that Flynn and his son, Michael Flynn Jr., planned to kidnap a Turkish official living in the USA and bring him back to Turkey.
"Under the alleged proposal, Mr. Flynn and his son, Michael Flynn Jr, were to be paid as much as $15 million for delivering Fethullah Gulen to the Turkish government, according to people with knowledge of discussions Mr. Flynn had with Turkish representatives", the Journal said.
The meeting allegedly took place in Washington the evening of September 20, while Flynn was working as an adviser to Trump's presidential campaign.
Former White House National Security Adviser Mike Flynn and his son were proposed $15 million to abduct Fethullah Gulen in Pennsylvania to illegally return him back to Turkey, according to Wall Street Journal's (WSJ) sources on Friday.
Woolsey was a member of Flynn's firm, the Flynn Intel Group, according to a Justice Department filing by the firm and an archive of the company's website.
A meeting about the matter involving Flynn last September was reported, though the Wall Street Journal report referenced a second meeting in December at New York City's "21" Club where the possibility was raised of taking Gulen by private jet to a Turkish prison island. "We should not provide him safe haven".
Robert Mueller, the special counsel investigating Russian manipulation of the 2016 United States election, has already indicted Trump's former campaign manager and another senior fundraiser on charges including money laundering and a former foreign policy adviser has pleaded guilty to perjury.
Special counsel Mueller's ability to gather enough evidence to make the charges stick could lead to Flynn making a plea bargain in exchange for cooperation on the Russia-related investigations..
Rohrabacher's office did not immediately respond to a request for comment. Mueller is said to be investigating whether Flynn and his son were scheming with the government of Turkey to essentially kidnap Fethullah Gulen, a cleric living in Pennsylvania who has always been a thorn on the side of President Recep Tayyip Erdogan.
In a February meeting shortly after Flynn resigned, Trump asked the FBI director at the time, James Comey, to "let this go", referring to an FBI investigation into Flynn.
Special prosecutor Robert Mueller is examining the meeting Flynn had with senior Turkish officials.
Mr Flynn became the White House national security adviser after Mr Trump took office on Jan 20. Manafort's lawyers may have a point in complaining, as they have, that the Foreign Agents Registration Act is rarely criminalized and that Mueller shouldn't weaponize it.