OK, I still maintain that every one of the buildings with CIA offices will have enough security to make sure someone like Jason Bourne isn't able to waltz right in, steal top secret do ents, and leave before ever being noticed.
My dad is a lawyer, and I've gone to his office several times. I can't get in without either a keycard to open the initial gate and entrance, and a regular kep to get in his office or, if no keycard, make my way through security, where I must empty my pockets, handover my cell phone and pass through a metal dectector, then check in at the entrance desk, where if my information clears, I'm buzzed in to the office area. All the while, in every hallway, camera's are recording my every move.
I'm telling you, in real life, it would not have been as easy as the movie made.