Wikipedia:
Professor Halper is a member of the Cosmos Club in Washington, and the Travellers Club in London. He is a recipient of the State Department’s Superior Honor Award, the Justice Department’s Director’s Award and the Defense Department’s Superior Honor Award. He has been exposed as a CIA and M-16 spy behind the FBI Russiagate investigations of the Trump Campaign and is an informant to the Mueller Special Prosecutor investigation.
https://en.wikipedia.org/wiki/Stefan_Halper
"Oh crap! Top Secret Source doesn't mean a damn thing when even a Freeper at the keyboard in his underwear can spot me!"
The following has been removed from Wikipedia:
He has been exposed as a CIA and M-16 spy behind the FBI Russiagate investigations of the Trump Campaign and is an informant to the Mueller Special Prosecutor investigation.
https://en.wikipedia.org/wiki/Stefan_Halper