Old building of the Grabovica Primary School

The old school building in Grabovica near Kotor Varoš was used in 1992 as a detention site for Bosniaks and Croats from the area of Kotor Varoš. There were 250-300 Bosniaks and Croats at this detention facility, where they were subjected to inhumane conditions, abuse and interrogations. On 3 and 4 November 1992, 161 prisoners from this facility were executed. The facility was run by VRS units.

The International Criminal Tribunal for the former Yugoslavia (ICTY) convicted the following persons under the doctrine of command responsibility for crimes committed in the Kotor Varoš Municipality: Momčilo Krajišnik, Speaker of the National Assembly of Republika Srpska, was convicted of crimes against humanity and sentenced to 27 years in prison. Biljana Plavšić, wartime member of the Presidency of Republika Srpska, was sentenced to 11 years in prison. Mićo Stanišić, wartime Minister of Interior of Republika Srpska, was sentenced to 22 years in prison. Stojan Župljanin, Chief of the Public Security Centre in Banja Luka, was sentenced to 22 years in prison. Radovan Karadžić, as the president of Republika Srpska and commander in chief of its armed forces, was sentenced to life imprisonment.
On 21 January 2014, the Court of Bosnia and Herzegovina confirmed the indictment against Savo Tepić, Dragoslav Bojić, Duško Vujičić, Duško Maksimović, Radojko Keverović, and Ilija Kurušić for crimes against humanity.