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MI5 Files Reveal D-Day Operations Almost Compromised

A row between a spy and his wife almost compromised World War Two D-Day operations, secret MI5 files show.

Juan Pujol, who was codenamed Agent Garbo, had helped to convince the Nazis the landings would not take place in Normandy but in the Pas-de-Calais. But after being confined to their London house to protect his identity, his wife threatened to go to the Spanish embassy in a row in June 1943. She said she would tell all unless she was allowed to visit her mother.


The family was based in Harrow, north-west London, where Agent Garbo had a network of sub-agents sending false intelligence reports to his German spymasters. His feedback of false information to the Nazis diverted them away from the scene of the actual D-Day landings on 6 June 1944.

Mrs Pujol not only struggled to cope with the pressure of the family’s double life but also became homesick. She was missing Spanish food and became upset at her husband being absent so often. Fears that the Pujol family would be recognised on the streets of London, led to Mrs Pujol being frustrated at the restrictions imposed on her and their two children.

In the secret files, released from the National Archives, the moment Mrs Pujol confronted her husband’s case officer is recorded. “I don’t want to live five minutes longer with my husband,” she screamed at Pujol’s MI5 case officer, Tomas Harris. “Even if they kill me I am going to the Spanish embassy.”

Other Secrets Revealed In The Files

Plans were put in place for Agent Garbo to be used as a spy working against the Russians leading up to the Cold War

Historian and peace campaigner E P Thompson – best known for The Making Of The English Working Class – was the subject of MI5 surveillance for 20 years

Times columnist David Aaronovitch, whose Communist parents had been under MI5 surveillance, told the Today programme how he found out his sister had been spied on in school, and his own birth was noted before his extended family had been told

Agent Garbo would not only deceive the Nazis by pretending to be their agent and provide false information but he also tricked his wife into staying quiet. Despite Garbo’s case officer coming up with the idea to tell his wife he had been sacked, the double agent did not think this would be enough.

Because Mrs Pujol was not able to go back to Spain, he suggested a plan to convince her that her outburst had led to him being arrested. She was even taken to visit him, blindfolded, in a detention camp and, after the reunion, was convinced of the need to support his undercover work.

MI5’s legal adviser, Maj Edward Cussen, told her he had decided her husband should be released and allowed to continue the mission. “He reminded her that he had no time to waste with tiresome people and that if her name was ever mentioned to him again, he would simply direct that she should be locked up,” Mr Harris noted. “She returned home very chastened to await husband’s arrival.”