Topic - Stasi

The Ministry for State Security, (German: Ministerium für Staatssicherheit (MfS), commonly known as the Stasi (, literally State Security), was the official state security service of East Germany. The MfS was headquartered in East Berlin, with an extensive complex in Berlin-Lichtenberg and several smaller facilities throughout the city. It was widely regarded as one of the most effective and repressive intelligence and secret police agencies in the world. The MfS motto was "Schild und Schwert der Partei" (Shield and Sword of the Party), that is the ruling Socialist Unity Party of Germany (SED). - Source: Wikipedia