many were still there when milosevic himself was incarcerated here in 2001, while awaiting trial for corruption and war crimes. today it houses some of the nation's most dangerous criminals. including the assassin of a former serbian prime minister. >> translator: they have committed all kinds of criminal offenses. basically every criminal offense on the books. these include organized crimes, war crime and other serious criminal offenses such as homicide. >> like american prisons, cz faces the problems of overcrowding. but serbia incarcerates a much smaller portion of its citizens. one out of nearly every 700 versus one out of every 130 in the united states. >> at the moment, a total of 1,200 inmates are being held here which is 2 1/2 times more than the prison's actual capacity. >> while some parts of cz have been modernized, much of the prison shows signs of age of one especially haunting section is completely abandoned behind locked doors. the execution chamber. >> we went down probably three, four stories underground to an area best described kind of like a scene out of "aliens."

we stopped milosevic.and he was unacceptable for our partners, but my question was, it was necessary, i ready to sign with anybody if i want to stop the war, to stop the political settlement. at this moment with milosevic, and after milosevic no longer continues. >> if i may, just a couple of quick comments on the questions. first of all, about the motherboard met of civilian areas -- bombardment of civil war in syria, for us americans when we think about civil war, certain images immediately come to mind. general grant bearing down on richmond and petersburg and generally testily trying to stop them. a war of fire and maneuver between combat units, precious little of that is taking place in syria now. yes, occasionally there's a city block that will be a salted in a level of someplace. very little -- a level or someplace. very little going on in the way most americans would conceive of the civil war that took place in this country. from 1861-65. what's happening to civilian residential areas is quite diff