People come to Google from all paths of life. For all you know, some 20-something long-haired unix hotshot could have been busted for drugs at some point and "repurposed" as a mole in exchange for leniency. And there's always the classic sex honeytrap for married men, which will never go out of fashion.

Real spooks don't carry a conscience, they'll exploit anything they can to get their grubby hands on the data they need.