The killing, claimed twice by the Islamic State, is the bloodiest perpetrated on the European continent since the attacks of November 13, 2015 in Paris. These videos, these screams, the modus operandi of the over-armed commando revive the painful memories of the Bataclan attack.

It puts the specter of Islamist terrorism back at the heart of the news. On October 13, it was in the name of IS that Mohammed Mogouchkov, 20, assassinated professor Dominique Bernard in Arras.