Behind the scenes at former Yugoslavia war crimes court
16 January 2013 Last updated at 05:16 GMT
The International Criminal Tribunal for the former Yugoslavia is a UN court and it deals with war crimes that took place in the Balkans conflicts in the 1990s.
Bosnian Serb former commander Ratko Mladic and his wartime political chief, Radovan Karadzic, are some of its high-profile cases.
From the holding cells, to the courtroom, to the archives of evidence, the BBC's Michael Buchanan was given exclusive access behind the scenes at the ICTY.