This sketch was drawn by Prosecution Witness Jusuf Arifagić, who was detained at the Keraterm Camp in Prijedor, Bosnia and Herzegovina, in the summer of 1992.

The sketch was used in court by the witness to identify the location of machine-gun nests, which were stationed in three areas of the Camp: one outside Room 1; one to the left of the toilet; and one in the area identified as “machine-gun and spot-light used for massacre in Room 3”.

During his testimony, Arifagić noted that there was an error in his sketch; Room 3 should be where the toilet is and vice versa.

Arifagić's sketch and his testimony were used to establish what transpired in Room 3 in the Keraterm Camp. In the trial of the former President of the Crisis Staff of the Prijedor Municipality, Milomir Stakić, Arifagić's sketch was admitted into evidence and his testimony assisted the Trial Chamber to determine the circumstances of the massacre of non-Serb detainees in Room 3 at the end of July 1992. Arifagić’s testimony was later used in other cases before the ICTY, such as in the trial of former the President of Republika Srpska, Radovan Karadžić, where it was established that at least 190 Bosnian Muslims were killed in the massacre in Room 3 in the Keraterm Camp.

In addition to Keraterm Camp, Bosnian Serb authorities also operated two other large camps in Prijedor in 1992, “Omarska” and “Trnopolje”, where Muslim and Croat civilians were detained, tortured and killed. In 1992, Bosnian Serb authorities forcibly expelled tens of thousands of Bosnian Muslims and thousands of Bosnian Croats from Prijedor, many of whom had been detained in these camps.
Milomir Stakić was sentenced to 40 years in prison for crimes against humanity and violations of the laws or customs of war committed in Prijedor in 1992.