Trump appears to have just admitted to a serious crime on Twitter -- ThinkProgress.org

President Trump tweeted Saturday that he fired former national security adviser Michael Flynn because Flynn lied to the FBI, as well as to Vice President Mike Pence. "I had to fire General Flynn because he lied to the Vice President and the FBI," the president wrote....
https://thinkprogress.org/trump-twitter-obstruction-justice-2af99c5629f6/