The special counsel had convened a grand jury to look at a range of things Flynn had allegedly done wrong. The special counsel was even looking into Flynn's son to see whether they could pressure Flynn to talk. The Post's national security team reports that Flynn's lawyers met with Mueller's team before this deal and broke down what information Flynn could provide. Former national security advisor, Michael Flynn, plead guilty on Dec. 1 to lying to FBI investigators about his contact with Russians. He says the conversation with Flynn and Mueller probably went something like this:“You'll cooperate, you'll tell us the truth.

Source: Washington Post December 01, 2017 18:00 UTC