The conditions were harsh for prisoners , and the prison was one of the most notorious in the former Czechoslovakia .
During the Communist Czechoslovakia , the Communist government used the prison for holding and liquidating political prisoners , particularly in the 1950s .
The conditions were harsh for prisoners , and the prison was one of the most notorious in the former Communist Czechoslovakia .
During the Communist Czechoslovakia , the Communist government used the prison for holding and liquidating political prisoners , particularly in the 1950s .