On July 12, 1943, the German Sicherheitsdienst rolled up the resistance group after they were betrayed.
His nephew, the diplomat Wilhelm Freiherr von Ketteler, was murdered by the Sicherheitsdienst des Reichsführers SS (SD) in Vienna in 1938 for his opposition to Hitler.
In 1942, he witnessed the Ponary massacre of some 100,000 mostly Polish Jews by German SD, SS and the Lithuanian Nazi collaborators Ypatingasis būrys, which he described in his 1969 book Nie trzeba głośno mówić (One Is Not Supposed to Speak Aloud).
He made his first appearance in English-language films as an SD officer (who captures Richard Attenborough) in The Great Escape (1963).
During 1943, Batey broke the Enigma ciphers of the Sicherheitsdienst, the Nazi party's intelligence service, along with the cipher used by Italian military attachés in Berlin.
The killings were committed by the Einsatzgruppe A, the Wehrmacht and Marines (in Liepāja), as well as by Latvian collaborators, including the 500-1,500 members of the infamous Arajs Commando (which alone killed around 26,000 Jews) and the 2,000 or more Latvian members of the SD.
Two other security zones protected the heavily expanded SS and SD barracks, support staff, guest houses, underground bunkers and air raid shelters.
In February 1944 Wandsleben worked as a cultural advisor to the Sicherheitsdienst division in Stettin.
Attached to a supply office at 18 rue Pétrarque in Paris as a cover, he spied for the Abwehr alongside another SD agent, the Dutchman Gédéon van Houten (called the baron d'Humières).
In late February 1943 Otto Bräutigam of the Reich Ministry for the Occupied Eastern Territories had the opportunity to read a personal report by Wagner about a discussion with Heinrich Himmler, in which Himmler had expressed the intention to kill about 80% of the populations of France and England by special forces of the SS after the German victory.
In 1938, Torgler worked for the company Electrolux, during which time he was carefully watched by the SD.
Gustav Adolf Scheel (November 22, 1907 in Rosenberg, Baden – March 25, 1979 in Hamburg) was a German physician and "multifunctionary" in the time of the Third Reich (SA and SS member, leader of the National Socialist Students' Federation, Organizer of the SD in the southwest, Superior SS and Police Leader in Salzburg, Gauleiter in Salzburg from November 1941).
He was assigned to Ludwigsburg, then to Ravensburg in 1935, and to Münster in 1938, where he was named head of the local office of the Sicherheitsdienst (SD).
The decree stated that escaped Allied prisoners of war, especially officers and senior non-commissioned officers, should be handed over to the Sicherheitsdienst who should execute them, "im Rahmen der Aktion Kugel", in concentration camp Mauthausen.
Devlin, who is hiding in Lisbon and planning to escape to America, is persuaded by SD Gen. Walter Schellenberg to rescue Steiner from the Tower of London.
When Fischer's success in setting up the meetings with the British agents became known, Sturmbannführer (Major) Walter Schellenberg of the Foreign Intelligence (Counter-Espionage) section of the Sicherheitsdienst (SD) came on the scene.