MI5's fortunes in world War II, from initial disarray to the success of Double Cross.

During the Second World War, it developed the Double-Cross System. This involved attempting to 'turn' captured agents wherever possible, and use them to mislead enemy intelligence …

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 …

During World War II, the Security Service played a key role in combating enemy espionage, intercepting German communications and feeding misinformation back to Germany. The …

2011年2月17日 · Intelligence expert and spy writer Nigel West uncovers the dramatic story of wartime double cross. MI5's performance in running a stable of double agents during the …

2025年3月25日 · MI5 enjoyed great success during World War II, but its record during the Cold War was mixed. Widely publicized blunders during that period—e.g., the Soviet Union was …

Fifth Column was the name MI5, the British Security Service, gave to a World War II operation run from 1942 until at least 1947. It was initially intended to identify people who would be willing to …

MI5’s most striking pre-war success was the penetration of the London embassy of Nazi Germany. Its most important source was the anti-Nazi German diplomat, Wolfgang zu Putlitz, …

2016年5月31日 · Juan Pujol Garcia, best known as MI5 agent GARBO, was the greatest Allied double agent in WW2 for his wild role ensuring victory on D-Day. Today TGNR continues it’s …

2025年1月14日 · Rookie wartime MI5 "watchers" were advised they needed to be prepared to offer a big tip if they had to tell a taxi driver to "follow that cab" when pursuing a suspect, newly …