Clara Stauffer's Madrid Nazi Escape Network

Clara Stauffer's Madrid Nazi Escape Network was a clandestine system for receiving and aiding fugitive Nazis, not merely a circle offering hospitality to German prisoners. From its Madrid base, it combined practical assistance—food, clothing, shelter, and travel support—with access to identity papers and official contacts. The network’s reach was difficult to prove, but testimony gathered by Manuel Arroyo Benítez and his associates suggested a structure connecting Spanish intermediaries, former prisoners, Nazi operatives, and a possible Argentine destination.

Discovery through domestic testimony

The first detailed account came from Sole Ruiz, who entered Stauffer’s service in the summer of 1943. By spring 1945, she knew the routines of the household well enough to notice how sharply they changed. Stauffer, formerly rarely absent from Madrid, began making frequent trips north, sometimes spending two or three days away each week. Sole inferred the direction from the clothes packed in her employer’s suitcase and a remark about the cold farther north. She did not initially know who received the blankets and provisions loaded into the car.

A conversation with the chauffeur supplied a location: Stauffer was visiting Germans imprisoned in Nanclares de Oca. Sole learned of the visits over coffee with him, and the disclosure transformed an unexplained pattern of travel into a line of inquiry. The prisoners were not simply being visited; their treatment and Stauffer’s authority over the arrangements suggested a continuing relationship between the household in Madrid and detainees in the north.

The evidence accumulated in domestic spaces and through small lapses in secrecy. In the summer of 1945, Stauffer renovated two rooms of her home to make an office, installed a new telephone line, hired two secretaries, and filled new wardrobes with men’s clothing in many sizes and shoes to fit many feet. The visitors also changed. Alongside familiar dinner and coffee guests came thin, exhausted men who appeared at all hours. Sole thought they looked like prisoners; she later understood them to be fugitives who had escaped European prisons and crossed the Pyrenees, or men released from Nanclares.

At Galileo 14, these men were welcomed, fed, given fresh clothes, and apparently directed toward lodging and work. They did not sleep at the house, yet many returned to the office to conduct further business and looked markedly better when they did. Their inability to speak Spanish helped alert Sole that the house was assisting people who could not simply blend into Madrid unaided. The network’s operations thus appeared as a sequence of reception, immediate care, onward accommodation, and follow-up arrangements rather than a single act of concealment.

Documents, intermediaries, and corroboration

A Spanish conscript became another recurring link in the system. Nearly every week he delivered one or more sealed envelopes bearing the letterheads of Madrid parishes, especially the parish near the Glorieta de Iglesia. On one occasion, a priest had left an envelope unsealed. Sole opened it and found a baptismal certificate bearing German names and a birth date of 1907. The traffic continued until she left Spain. The episode connected the network’s practical aid to a means of acquiring Spanish documentary identities: church records could give a fugitive a new paper trail, while the repeated deliveries suggest that this was not an isolated favor.

Sole also overheard a secretary mention Jean-Jules Lecomte, a name that did not sound German. Meg Williams pursued the lead and identified Lecomte as a Nazi loyalist with membership in both the Rex Party and the SS. During the Nazi occupation he had been appointed burgomaster of his hometown, Chimay. His presence in the Madrid evidence widened the suspected network beyond German escapees and suggested that its beneficiaries or contacts included collaborators from elsewhere in occupied Europe.

The account of Stauffer’s visits to Nanclares was checked against the memories of International Brigades veterans who had been imprisoned there alongside the first German deserters. They recalled a woman of about forty who could enter and leave the camp at will, acted as an interpreter for the Nazis, supplied them with clothing and food, and collected and delivered their correspondence. The German prisoners occupied separate barracks and lived in considerably better conditions than other detainees; the witnesses attributed this difference to the influence of the woman who visited them. Sole’s household observations and the former prisoners’ recollections therefore reinforced one another, although they did not by themselves establish every identity or the entire route followed by the fugitives.

The suspected escape operation

A further clue was the arrival, from spring 1945, of a very blond, blue-eyed young man who spoke Spanish with an unfamiliar accent. Sole noticed both his appearance and his fluent Spanish; another servant told her that he spoke like an Argentine. From autumn onward, he sometimes brought other men with the same accent. The visitors’ language and the timing of their appearances pointed toward a South American connection operating alongside the assistance provided in Madrid.

Juan Negrín and Pablo de Azcárate identified the man, with qualified confidence, as Horst Fuldner, also known in Spain and Argentina as Carlos Fuldner. Born in Buenos Aires, he had returned to Germany with his family at twelve. A Nazi from an early stage, he was expelled from the party in 1935 after keeping SS money. He reappeared in Spain in 1941 as a volunteer interpreter for the Blue Division on the Russian front. After that division withdrew, he returned to Germany, rejoined the SS, and was promoted to Hauptsturmführer.

Fuldner’s wartime role gave the Argentine clue greater significance. In 1944, Walter Schellenberg, head of the SS intelligence organization, recruited him to investigate escape routes for Nazi leaders because Schellenberg believed the war was lost. The investigators’ reconstruction placed Fuldner in Madrid to carry out that assignment, and they believed he remained there. His earlier connections, Argentine birth, return to Spain, and presence among Stauffer’s visitors made him a possible bridge between Nazi escape planning and the postwar refuge route.

The investigation’s working theory was that the network cooperated with the Perón government and helped fugitives reach Argentina. The case was not yet proved. The investigators wanted independent confirmation that Lecomte and Fuldner were who they appeared to be, that the Spanish-speaking Argentine visitors were Perón’s trusted men, and that Stauffer’s activity extended beyond feeding and clothing German soldiers. The distinction between established testimony and inference mattered: the Argentine connection looked substantial to them, but they still needed evidence that could withstand public and international scrutiny.

Political stakes and Arroyo’s infiltration

The network mattered politically because it could expose the Franco regime’s protection of war criminals. Meg Williams persuaded Congressman Burnstein, who had investigated Nazi escape routes for months without finding firm evidence of an organized system, that Stauffer’s operation was a stable network. The investigators hoped that proof of Francoist shelter for men implicated in the genocide of the Jews would create pressure on Spain and its foreign relations. Their hoped-for effect was not simply to identify individual fugitives, but to make the regime’s protection of them a matter that could not be dismissed as rumor.

The suspected destination gave the inquiry a wider international dimension. The investigators regarded South America as a sought-after refuge for Nazis hoping to avoid international courts, and they believed Argentina was especially relevant: the Perón government was the only one they knew to disregard the blockade and send ships carrying grain and frozen meat to Spain. They suspected that Stauffer’s network supplied Spanish documentation—using baptismal records obtained through friendly priests and contacts in the state administration—before fugitives continued to Argentina. Yet the route, the identities of the Argentine visitors, and the extent of official cooperation remained propositions to be demonstrated, not facts already established.

Manuel Arroyo Benítez was recruited to obtain that proof from inside the organization. On 10 September 1946 he entered Spain through Gibraltar, using the cover of a United States citizen visiting his parents’ homeland. He had preferred to enter from France, but the border was closed, and a clandestine mountain crossing risked an injury that could compromise his mission. The passage through Gibraltar also marked a return after more than seven years away: the sight of washing on rooftops in La Línea and the wind from the Strait brought home to him how strongly he had missed Spain, even as he had to maintain his American cover.

Once in Madrid, Arroyo lived under the name Peter Louzán Valero. He chose the Gran Vía Hotel rather than the more luxurious Palace or Ritz, whose wartime histories made them unattractive to an investigator trying to avoid notice. A cheap or peripheral boarding house, however, might also have drawn suspicion under the Franco police’s strict control of travelers’ registers. He kept largely to himself, left his room discreetly, and avoided social contact that might connect his temporary identity to Madrid’s elite. The network’s secrecy demanded its own counter-performance: to investigate a hidden route, Arroyo had first to appear unremarkable.

Later, under the assumed identity of José Pacheco Hernández, Arroyo entered Stauffer’s household and gradually gained access to the office at Galileo 14. Ingrid Weiss’s affection and maternal care made his position both more secure and more emotionally complicated; he grew attached to her despite recognizing how dangerous that attachment was to his mission. He cultivated the secretaries by bringing them the newspaper, sharing coffee, and running errands. When their vacation period began on 15 June, his assistance became so useful that he was, in practice, an additional secretary. His access came not through a dramatic breach but through dependable everyday service.

The documents that helped fugitives also brought Arroyo close to the mechanism he was investigating. Stauffer’s secretaries sent him to collect a baptismal certificate for José Pacheco Hernández from the sacristy of the parish near the Glorieta de Iglesia, without telling him that the certificate would be used to create his own identity papers. He saved a small notebook, pencils, and a sharpener from his modest pocket money so that he could record what he learned. Yet he had written nothing in it when he moved to the Calle del Pez, and he still did not write there. His opportunity to observe and his ability to preserve usable intelligence did not advance at the same pace: the network’s routine offered access, while the risks of recording evidence constrained how he could use it.

Extent and significance

The network’s suspected reach also intersected with a separate search for Nazi property and records. Arroyo believed that shipments Guillermo had agreed to supervise might contain art looted from museums and Jewish owners in occupied territory, along with valuable jewelry, antiquities, and possibly gold, silver, or foreign currency from the Nazi treasury. He recalled that on 18 July 1947 Stauffer had intended to introduce Guillermo to a friend whose name sounded like Ban or Bam. If it ended in an m, Arroyo reasoned, the name could be Hans Lazar, familiarly called Bam. Lazar was the one person the Allied Control Council had found in Hitler’s Madrid embassy, and the Allies suspected that he had secretly removed its treasures and archives. This connection remained an inference in Arroyo’s investigation, but it suggested that the escape network might overlap with the concealment of assets and documents.

The book presents Stauffer’s operation through an evidentiary chain rather than a single omniscient account: a servant observes changes in travel, visitors, clothing, and letters; former prisoners corroborate her description of access to Nanclares; investigators identify possible operatives; and Arroyo enters the household to test what can be confirmed. Each link increases the apparent scale of the operation while preserving uncertainty about its full command structure and destination. Its significance lies in that combination of intimate logistics and political consequence: blankets, meals, shoes, parish certificates, secretarial work, and official contacts could turn fugitives into people capable of moving through Spain under new identities, while making the state’s alleged protection harder to expose.