"And my judgment was, I needed to get that out into the public square. And so I asked a friend of mine to share the content of the memo with a reporter. Didn't do it myself, for a variety of reasons."
...
"A good friend of mine who's a professor at Columbia Law
School." "However, after his removal as FBI Director two months later, Comey provided a copy of Memo 4, which Comey had kept without authorization, to Richman with instructions to share the contents with a reporter for The New York Times."