L'Express magazine reveals in its Thursday edition that its director in the 1970s, Philippe Grumbach, was a spy for the secret services of the USSR. “His intimate entourage confirmed this occult relationship to L’Express.

Close to Mitterrand and Giscard, he was, unbeknownst to everyone, one of the greatest Soviet spies of the Fifth Republic,” says the company's editor-in-chief Étienne Girard. ‘This Soviet penetration into the spheres of power during the Cold War must constantly call us to a duty of vigilance,’ underlines Éric Chol.