Yugoslavian CIA (Uprava Državne Bezbednosti - State Security Service).
It is your destiny if you done anything against the glorious Yugoslavia such as attempt at democracy or such
Peter: I'm gonna talk shit about the Communist regime.
Joseph: Comrade, be careful, the UDB-a is ought to be after you...
Peter: I don't care, Communism sucks.
Joseph: UDBA ti je sudba.