Your example certainly is shocking and I'd be surprised if a few heads didn't roll in the ensuing melee. I could imagine security phoning each computer lab on campus and asking the lab assistants/monitors to check if the individual was present but this seems to me a flagrant misuse of resources.
in reply to Re: (OT) Dealing with end user paranoia
in thread (OT) Dealing with end user paranoia
As for the public computer idea. Who is to say that our spies (Computer Center) won't be keeping a paper log of who is using which machine at any given time ;-)