Michael Flynn’s son was revealed to be a subject in the Russia probe.September 13, 2017NBC Newsreported that lawyers for Trump’s former national security advisor, Michael Flynn, sent Trump’s legal team a letter saying they’re done discussing Robert Mueller’s investigation, about which they were previously sharing information. Per theTimes, the pairing indicated the probe into Manafort’s actions was ramping up. On Friday, March 16, Attorney General Jeff Sessions fired former FBI Deputy Director Andrew McCabe,CNN