If the NSA is after you they'll just send some psychopath who has no trouble torturing you, your family or your pets until you admit to everything up to and including shooting Kennedy. They don't need to bug your computer for that. Organizations like that sit outside the legal space and are not bound to any oversight or rules, especially not when going after a nobody like you. If they made a mistake and got the wrong guy, you just disappear. Simple as.
Yeah, don't think they admitted to IME and its AMD equivalent till about...2006? Meanwhile, Conspiracy drama The Lone Gunmen in the year 2001 opened their first episode with a guy saying exactly that...
First ten minutes or so are what you want. Although the whole episode is good...this was orignally aired March 4th, 2001. The end of the episode features an airplane, and the twin towers.
Was a spinoff from The X Files, which famously had a glowie helping out with the plotlines...