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Spies in the Vatican

Espionage and Intrigue from Napoleon to the Holocaust

David Alvarez

October 2002
384 pages, 6 x 9
Cloth ISBN 978-0-7006-1214-7, $34.95

book cover imageRevered by millions, the Papacy is an international power that many nations have viewed with suspicion, some have tried to control, and not a few have spied upon. Ranging across two centuries of world history, David Alvarez’s fascinating study throws open the Vatican’s doors to reveal the startling but little-known world of espionage in one of the most sacred places on earth.

Reviewing the pontificates of ten popes—from Pius VII, Napoleon’s nemesis, to Pius XII, maligned by some as “Hitler’s pope”—Alvarez provides the first history of the intelligence operations and covert activities that reached the highest levels of the Vatican. Populated with world leaders, both famous and infamous, and a rogue’s gallery of professional spies, fallen priests, and mercenary informants, his work casts a bright light into the darker corners of papal history and international diplomacy.

Alvarez reveals that the Vatican itself occasionally entered this clandestine world through such operations as a network of informants to spy on liberal Catholics or a covert mission to establish an underground church in the Soviet Union. More frequently, however, the Vatican was the target for hostile intelligence services seeking to expose the secrets of the Papacy. During World War I, for example, Pope Benedict XV’s personal assistant was a secret German agent. During World War II, Germany, Italy, Russia, and the United States sent spies into the Vatican to discover the pope’s intentions. The Nazis were especially resourceful, securing the services of apostate priests, such as Herbert Keller, an unscrupulous monk who exposed Pope Pius XII’s involvement in a plot against Hitler, and devising a plan to establish a “seminary” in Rome with agents posing as student priests. Alvarez recounts these operations and many more, including the methods by which the Vatican learned about the Holocaust.

Based on diplomatic and intelligence records in Britain, France, Italy, Spain, the United States, and the Vatican—with the latter including documents sealed after the author had access to them—Spies in the Vatican reveals that the Papacy was often hindered by its inability to collect timely and relevant intelligence. Challenging the long-held notion that the pope is the world’s best-informed leader, Alvarez illuminates not only the inner workings of the Vatican but also the global events in which it was inextricably involved.

“A must read for anyone interested in the inside workings of the Vatican in modern times.”—J. Michael Phayer, author of The Catholic Church and the Holocaust, 1930–1945

“People have long contended that the Vatican possesses the world’s best intelligence network. But is it so? Intelligence historian David Alvarez here probes this myth with impeccable scholarship, exceptional insight, and great literary vigor. An outstanding book.”—David Kahn, author of Hitler’s Spies and The Codebreakers

“In a grand tour of intrigue in and by the Vatican, David Alvarez quickly disabuses the reader of the notion that the Papal leadership and the Catholic hierarchy were focused solely on the spiritual world.”—Warren F. Kimball, author of Forged in War: Roosevelt, Churchill, and the Second World War

DAVID ALVAREZ is a professor of politics at Saint Mary’s College of California. He is the author of Secret Messages: Codebreaking and American Diplomacy, 1930–1945, also from Kansas, and coauthor, with Robert Graham, S.J., of Nothing Sacred: Nazi Espionage against the Vatican, 1939–1945.

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