In this unprecedented history of intelligence cooperation during the Cold War, Aviva Guttmann uncovers the key role of European intelligence agencies in facilitating Mossad's Operation Wrath of God; a campaign of assassination against Black September terrorists. She reveals how, in the aftermath of the 1972 Munich Olympics Massacre, Palestinians suspected of involvement in terrorism were hunted and killed by Mossad with active European cooperation. Through unique access to unredacted documents in the Club de Berne archive, she shows how a secret coalition of intelligence agencies supplied Mossad with information about Palestinians on a colossal scale and tacitly supported Israeli covert actions on European soil.

Agencies shared information via - Kilowatt - an encrypted channel. Through this channel agencies helped to anticipate and thwart a number of Palestinian terrorist plots, including some revealed here for the first time. At the same time, the Mossad was also able to exploit this information to carry out its covert assassinations, staying one step ahead of the investigations. Many European agencies also used the same channel to bolster their reputation in the context of counterterrorism. This extraordinary book reconstructs the hidden world of international intelligence, showing how this parallel order enabled state relations to be pursued independently of official foreign policy constraints or public scrutiny. It shows how intelligence agencies play be different rules and how covert diplomacy continues - and prospers - even in the aftermath of scandals and in those occasions in which open diplomacy is problematic.

Dr Luca Trenta, Associate Professor in International Relations, Swansea University, UK.

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Aviva Guttmann, "Operation Wrath of God: The Secret History of European Intelligence and Mossad's Assassination Campaign" (Cambridge UP, 2025)