On Monday night, National Security Agency chief Michael Rogers met with the Senate Intelligence Committee about those matters; Director of National Intelligence Dan Coats was doing the same around the time of the President's afternoon tweets.
Mr. Trump's morning tweets included what seemed like a jab at former FBI Director Robert Mueller, the new Special Counsel for the Russia probe, as he said the investigation was being "led by some very bad and conflicted people!"
But at the White House today, spokeswoman Sarah Huckabee Sanders acknowledged to reporters that Mueller had been at the White House - just the day before he was appointed as Special Counsel, as she said it was a job interview.
"In terms of specific job, whether it was acting or permanent, I'm not sure, and I'd have to check and get back to you," Sanders told reporters in an off-camera briefing.
While most Republicans in Congress said little about Mr. Trump's criticism of Mueller, other supporters echoed the President's concerns.
"Mueller is setting up a dragnet of obstruction, financial questions and every aspect of Trump's life and his associates lives," said former House Speaker Newt Gingrich, who labeled it "very dangerous."
On Friday morning, the President was still aggravated, and showed that once more on Twitter: