The newly-formed Stasi (state security agency) took over not just the role and the practices of the Nazi Gestapo but many thousands of its employees and informers. Political victims of the incoming Communist regime, often charged in a blanket manner as ‘Nazi criminals’, were arrested by ex-Nazi policemen, tried by ex-Nazi judges and guarded by ex-Nazi camp guards in Nazi-era prisons and concentration camps taken over en bloc by the new authorities.