Tricycle and Artist fed the SIS secrets on Abwehr in Lisbon
By Constance Bell ·
Double agents risked execution to map German networks in Lisbon while the British government pressured the Salazar regime to purge Axis operatives.
Tricycle and Artist lived in the narrow gap between treason and survival, feeding the British Secret Intelligence Service data on the German Abwehr. One wrong word in a Lisbon café could have ended their lives as a necessity of war.
In the early 1940s, Lisbon was not merely a neutral capital; it was a clearinghouse for the most dangerous secrets of the European continent. While the Portuguese people lived under the disciplined, corporatist order of the Estado Novo, their streets were populated by men whose true employers were in London, Berlin, or Rome. The stakes were absolute: exposure meant a firing squad or a basement in the Gestapo headquarters.
Tricycle and Artist
The file's catalogue entry for KV 3/173 records a steady stream of reports on the "Abwehr Organisation in Portugal." These accounts did not come from traditional diplomats or official attaches, but from the shadows. The record specifically identifies reports provided by the SIS and double agents codenamed "Tricycle" and "Artist."
To understand the precarious position of men like Tricycle and Artist, one must look at the wider British intelligence apparatus. Related catalogue entries for KV 4/63 through KV 4/66 mention the formation and minutes of the "Twenty Committee," the nerve center of the Double Cross system. This was a cold, calculated operation designed to turn German spies into British assets, effectively hijacking the Abwehr's own communication lines to feed the Third Reich a mixture of truth and strategic falsehoods.
For a double agent in Lisbon, this meant maintaining a perfect facade. They had to remain useful enough to the Germans to avoid suspicion, yet loyal enough to the British to be worth the risk of the SIS's protection. They were the primary sensors for the British in a city where the Abwehr sought to monitor every ship leaving for the Atlantic and every political shift in the Mediterranean.
Negotiations with Salazar
While agents operated in the alleys, a different kind of war was waged in the halls of government. The catalogue description for the "Link volume" (KV 3/175) records correspondence regarding "approaches made to the Lisbon Government (Dr Salazar) to deal with Axis intelligence officers in Portugal and its colonies."
António de Oliveira Salazar was not a man easily moved by the desperation of foreign intelligence services. A trained academic and economist, Salazar had spent years constructing the Estado Novo, a regime that prioritized national stability and strict social hierarchy over the ideological fervors of the era. The public record shows he served as President of the Council of Ministers from 1932 to 1968, maintaining one of the longest-lived authoritarian dictatorships in modern Europe.
For Salazar, neutrality was a strategic asset, not a moral vacuum. He viewed the preservation of Portuguese sovereignty—and the security of its overseas colonies—as paramount. The British "approaches" mentioned in KV 3/175 represent a diplomatic friction point: the UK's desire to purge the city of Axis spies versus Salazar's desire to keep his country out of the crossfire. To force Salazar's hand too aggressively would have been to risk pushing a neutral partner toward the Axis; to leave the Abwehr unchecked was to leave the flank of the Atlantic open.
Volume Five
The game of shadows eventually reached a conclusion, though the truth often only emerged after the guns fell silent. The catalogue entry for KV 3/173 notes that "post-war interrogation reports of relevant German personnel" are contained within volume five of the file.
These interrogations represent the final accounting of the Lisbon station. When the Abwehr officers were finally captured or surrendered, the British could finally compare the reports sent by Tricycle and Artist against the actual memories of the men they had deceived. It is in these post-war records that the effectiveness of the Double Cross system is measured—not in the elegance of the prose, but in the accuracy of the deception.
Whether Tricycle and Artist were fully trusted by their handlers or merely tolerated as tools of convenience remains a question for the historians. The record lists the reports, the link volumes, and the interrogations, but the personal costs—the sleepless nights in neutral Lisbon and the fear of a sudden knock at the door—remain tucked between the lines of the catalogue description.
Volume five contains the answers to what the Germans believed they knew, but it leaves open the question of how many other agents, unnamed in the catalogue, operated in the same silence.