A woman's attempt to visit family in the Balkans became a tool for the Security Service to burn German networks in Lisbon, a game kept secret for decades in the Personal Files.
A Russian-born businessman fooled the German military intelligence service from a base in Lisbon, running a network of non-existent spies that served a British agenda until his death in 1947.
Double agents operated under the nose of a dictator while British intelligence pressured Lisbon to purge Axis officers—a game of betrayal kept in the vaults of the Security Service.
Axis intelligence officers operated within Portugal's colonies and capital while the British Secret Intelligence Service relied on double agents to track them.
Portuguese workers were targeted for manipulation by US funds kept secret from Congress, with the exact dollar amounts still blacked out in the record.
Double agents Tricycle and Artist fed reports to London while British officials pressured the Lisbon government to purge Axis officers from Portuguese colonies.
British spies lived under the shadow of the Gestapo while the Lisbon government managed Axis officers across its empire, secrets now preserved in UK National Archives records.
Portuguese workers and political moderates became the targets of a program marked "Outside the System" to keep the nation from falling to radicals, with the cost still blacked out today.
British intelligence used double agents to deceive German intelligence in neutral Portugal, a gamble managed by the Security Service while Salazar's regime sheltered Axis officers.