 Other sources emphasize the total number of prisoners who died there since the inception of the camp in 1941 under the German administration, amounting roughly to 5,000 victims including Poles, Belarusians, Jews and Germans.In 1950/1951, during the darkest years of Stalinist terror the camp was transformed into a prison for Polish political prisoners.Following the 1961 renovations and the subsequent replacement of barracks with cement structures, it became a prison mainly for criminal offenders.