It has taken five years’ dogged research by an Argentine journalist, Uki Goñi, to expose the cover-up, which existed on an international scale and involved the Vatican and the Red Cross, as well as the diplomatic corps and police and legal chiefs of several countries.
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But the real architect of the secret-escape network was Juan Perón, twice dictator of Argentina - from 1943 until 1955, and then briefly in the early 1970s. Uki Goñi’s book forges the last links in a chain of evidence that leads ultimately to the chancellery of the Holy See, if not to the Holy Father, Pius XII, himself.
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Goñi had to surmount two daunting hurdles: the Vatican’s archives were subject to 80-year closure, and all the files on Perón’s dealings with the Nazis were burnt, bar one, in 1996. His persistence paid off, however. He discovered that the private papers of one of the principal middle men in the Argentine dictator’s transactions had been moved back to Belgium, where he had been the arch collaborator with the Nazi regime. Further details of this sombre picture were filled in from the normally impenetrable Swiss archives and, crucially, American Secret Service papers - proving once again what can be achieved through a Freedom of Information Act that means what it says.