Even before the Q post today there should have been deep digs on this guy. He's one of Flynn's spooks and he's known, but very little is known about him.
He brief Nunes and Grassley. He blew the whistle on SpyGate.
"Mr. Schumer said the hiring was “deeply troubling” because of Mr. Cohen-Watnick’s role in a claim that the Obama administration was spying on President Trump during the 2016 campaign."
https://www.washingtontimes.com/news/2018/apr/11/ezra-cohen-watnick-former-nsc-staffer-joins-justic/
https://www.bloomberg.com/news/articles/2019-07-22/army-lets-slip-that-it-s-conducting-secret-operation-around-d-c
They've been officially hunted for at least 9 months.