Why not? It's not like they spent any of their time watching terrorists or anything back in the day.
Typical day at FBI HQ in 1990s
Junior: Sir, we have a report of some guy in Oklahoma who just bought a shitload of shit and another report that a bunch of Arabs joined flight school. Also a report of strange behavior by a maths professor
Senior: Hmmm, anything else?
Junior: Well, there is that bank where 25k went missing.
Senior: Holy Shit!
Hardly! More like...
Junior: Sir, we have a report of 19 men who applied for and got visas, but they didn't qualify.
Senior: I don't care if they don't qualify... The order came to have them issued. This order came from above!
Junior: These same guys applied to flight school, and aren't concerned about landing the plane only flying it.
Senior: Shut up! Leave them alone. This order is coming from above.
Junior: We have reports from intel all over the world that they plan to attack us using airplanes on Sept 11
th Senior:
Leave these guys alone!... or it's your ass! Neohawk spokesman: no one could possibly have known this was coming.
Junior:
(unable to speak with a gag in his mouth)
The people: