the omarska mines complex was located about 20 km from the town of prijedor. the first detainees were taken to the camp sometime in late may 1992 (between 26 and 30 may). the camp buildings were almost completely full and some of the detainees had to be held on the area between the two main buildings. that area was lit up by specially installed spot-lights after the detainees arrived. female detainees were held separately in the administrative building. according to the serb authorities documents from prijedor, there were a total of 3,334 persons held in the camp from 27 may to 16 august 1992. 3,197 of them were bosniaks (i.e. bosnian muslims), 125 were croats.