In France, by contrast, hardly anyone knows Persson. As in a dream should repair this injustice. By entrusting a team of incorruptible police the difficult task to revive the investigation into the murder of Prime Minister Olof Palme (shot in 1986), Persson signs a thriller that has everything to please fans of the genre. An attractive side Cold Case, consisting reopen the mountains of dusty boxes. A touch of the best episodes of Experts, through complex ballistic analysis. The daily chronicle of a group of endearing detectives, torn between their daily lives and the investigation. A comedy full of finesse, between British phlegm and vitriolated perfume. A critique of the corruption of the Swedish police, finally, that gives this big book full weight and all its gravity.