I'm searching for the name of a movie a saw long ago.
I'm not sure, but I think it's a pretty old movie (60´s - 80´s) in black/white.
slightly depressing atmosphere, psychotic style, underground movie.
A guy lives in a small apartment with lots of computers and parts, so he is some kind of hacker.
He becomes more and more paranoid over time due to his works, and at a time he has to go outside (can't remember why).
He has a suitcase, I think with money or secret information and he is scared about being followed.
There was something going on with his pursuers (FBI or CIA).
A main part of this movie is his room, and I think there where some bugs/ants crawling over the electronic parts.