Our Man in Stockholm

Our Man in Stockholm

An impossible conspiracy

Essay | Why the stay-behind theory of the killing of Olof Palme fails

Johan Wennström's avatar
Johan Wennström
May 04, 2026
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Stockholm residents place flowers at the site where Prime Minister Olof Palme was assassinated on 28 February 1986. Photo: Wikimedia Commons.

Recently, Israel’s Haaretz ran a piece on the Swedish edition of my book The Stay Behinds in connection with the fortieth anniversary of the killing of Sweden’s prime minister Olof Palme, the backdrop being a persistent conspiracy theory among “private investigators” of the still-unsolved murder that the clandestine Swedish stay-behind organisation during the Cold War was responsible.

Some of them appear in the article, and while I welcome the fact that author Mats Deland, after reading my book, has arrived at a more nuanced understanding of the stay-behind phenomenon, others feel that I have glossed over the possibility of the Swedish resistance movement assassinating its own prime minister—since I don’t discuss it. Fringe voices go further and suggest that I have been prevented from doing so, and that I have instead left clues in the book.

What,…

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