Frankly if I was the CIA I would be intercepting traffic to the small oddball servers more than Google.
Frankly, at this point, if the CIA cannot access and intercept data from Google they are utterly incompetent in doing their job. For the cost of (at most) giving an employee a suitcase full of money, you get an incredible bonanza of data. Which secret service wouldn't do it?
Yeah, sue him. He'll have a hard time finding an attorney, given that all lawyers go to hell.