The Double-Cross System or XX System was a World War II counter-espionage and deception operation of the British Security Service (MI5). Nazi agents in Britain – real and false – were captured, turned themselves in or simply announced themselves, and were then used by the British to broadcast mainly disinformation to their Nazi controllers. Its operations were overseen by the Twenty Committee under the chairmanship of John Cecil Masterman; the name of the committee comes from the number 20 in Roman numerals: "XX".
Juan Pujol García, also known as Joan Pujol i García, was a Spanish spy who acted as a double agent loyal to Great Britain against Nazi Germany during World War II, when he relocated to Britain to carry out fictitious spying activities for the Germans. He was given the codename Garbo by the British; their German counterparts codenamed him Alaric and referred to his non-existent spy network as "Arabal."
Operation Fortitude was a military deception operation by the Allied nations as part of Operation Bodyguard, an overall deception strategy during the buildup to the 1944 Normandy landings. Fortitude was divided into two subplans, North and South, and had the aim of misleading the German High Command as to the location of the invasion.
Kenneth Martin Follett is a Welsh author of thrillers and historical novels who has sold more than 160 million copies of his works.
Karl Rudolf Gerd von Rundstedt was a German Generalfeldmarschall in the Heer (Army) of Nazi Germany during World War II. Born into a Prussian family with a long military tradition, von Rundstedt entered the Prussian Army in 1892. During World War I, he served mainly as a staff officer. In the interwar period, he continued his military career, reaching the rank of Colonel General before retiring in 1938.
Operation Bodyguard was the code name for a World War II deception strategy employed by the Allied states before the 1944 invasion of northwest Europe. Bodyguard set out an overall stratagem for misleading the Oberkommando der Wehrmacht as to the time and place of the invasion. Planning for Bodyguard was started in 1943 by the London Controlling Section, a department of the war cabinet. They produced a draft strategy, referred to as Plan Jael, which was presented to leaders at the Tehran Conference in late November and, despite scepticism due to the failure of earlier deception strategy, approved on 6 December 1943.
Roman Garby-Czerniawski was a Polish Air Force captain and Allied double agent during World War II who used the code name Brutus.
The Blomberg–Fritsch affair, also known as the Blomberg–Fritsch crisis, was the name given to two related scandals in early 1938 that resulted in the subjugation of the German Armed Forces (Wehrmacht) to Adolf Hitler. As documented in the Hossbach Memorandum, Hitler had been dissatisfied with the two high-ranking military officials concerned, Werner von Blomberg and Werner von Fritsch, regarding them as too hesitant with the war preparations he demanded. As a result, a marriage scandal and a manufactured accusation of homosexuality were used to remove Blomberg and Fritsch, respectively.
Jan Willem Ter Braak was a Dutch espionage agent working for Germany who operated for five months in the United Kingdom. Ter Braak, whose original name was Engelbertus Fukken, is believed to have been the German agent who was at large for the longest time in Britain during the Second World War, despite his short period of activity. When he ran out of money, Ter Braak committed suicide in a public air raid shelter.
Operation Titanic was a series of military deceptions carried out by the Allied Nations during the Second World War. They formed part of tactical element of Operation Bodyguard, the cover plan for the Normandy landings. Titanic was carried out on 5–6 June 1944 by the Royal Air Force and the Special Air Service. Its objective was to drop hundreds of dummy parachutists, noisemakers and small numbers of special forces troops in locations away from the real Normandy drop zones. It hoped to deceive the German defenders into believing that a large force had landed, drawing troops away from the beachheads and other strategic sites.
Eye of the Needle is a 1981 British spy film directed by Richard Marquand, and starring Donald Sutherland and Kate Nelligan. Written by Stanley Mann, it is based on the 1978 novel of the same title by Ken Follett.
First United States Army Group was a fictitious Allied Army Group in World War II prior to D-Day, part of Operation Quicksilver, created to deceive the Germans about where the Allies would land in France. To attract Axis attention, prominent US general George S. Patton was placed in command of the fabricated formation.
The 80th Infantry (Reserve) Division was an infantry division of the British Army formed at the beginning of 1943, during the Second World War. For the twenty months that the division existed, it was a training formation. It was made responsible for providing final tactical and field training to soldiers who had already passed their initial training. After five additional weeks of training, the soldiers would be posted to fighting formations overseas. Notably, the division was used as a source of reinforcements for the 21st Army Group, which was fighting in Normandy. After all available troops left the United Kingdom for France, the division was disbanded.
The Key to Rebecca is a novel by the British author Ken Follett. Published in 1980 by Pan Books (ISBN 0792715381), it was a best-seller that achieved popularity in the United Kingdom and worldwide. The code mentioned in the title is an intended throwback from Follett to Daphne du Maurier's famed suspense novel Rebecca.
Johannes Eppler (1914–1999), also known as Hans Eppler, John Eppler, and Hussein Gaafer, was a World War II Abwehr spy, a German who had been raised in Egypt by his Egyptian stepfather. One of Rommel's spies during the North African campaign in World War II, Operation Salaam led by László Almásy spirited Eppler and Hans-Gerd Sandstede into Cairo although they were both arrested soon after arrival in July 1942. Eppler is the subject of MI5 file KV 2/1467.
Dušan "Duško" Popov was a Serbian lawyer and businessman who served as a double agent for MI6 during World War II. Feigning to be an asset of the German Abwehr, he passed off disinformation to Germany as part of the British Double-Cross System while occasionally using cover as the Yugoslav government-in-exile in London diplomat.
Ops (B) was an Allied military deception planning department, based in the United Kingdom, during the Second World War. It was set up under Colonel Jervis-Read in April 1943 as a department of Chief of Staff to the Supreme Allied Commander (COSSAC), an operational planning department with a focus on western Europe. That year, Allied high command had decided that the main Allied thrust would be in southern Europe, and Ops (B) was tasked with tying down German forces on the west coast in general, and drawing out the Luftwaffe in particular.
R Force was a British deception force during World War II that consisted of armoured vehicles, field engineers and a wireless unit. During Operation Fortitude it attempted to exaggerate the strength of Allied forces in Britain, and deceive German intelligence about Allied intentions. Later it performed a similar role during the fighting in Western Europe in 1944–45. It was commanded by Lieutenant Colonel David Strangeways.
A Column of Fire is a 2017 novel by British author Ken Follett, first published on 12 September 2017. It is the third book in the Kingsbridge Series, and serves as a sequel to 1989's The Pillars of the Earth and 2007's World Without End.
Alphons Louis Eugene Timmerman was a Belgian ship's steward who became a spy for the German intelligence agency, the Abwehr, during the Second World War. He was captured by the security services upon his arrival in Britain in September 1941. MI5 officers posed as Timmerman in correspondence with the Abwehr in an attempt to deceive them as to the competence of the British security services. This attempt was unsuccessful as German intelligence officers failed to spot deliberate mistakes in the letters, but did help to disprove the Abwehr's previously good reputation for intelligence work. Timmerman admitted to being a spy and was executed at Wandsworth Prison in 1942.
