"A kind of journey back in time, eleven years back, where I find myself back in the cell, facing my jailer": Didier Francois, one of the four former French hostages of the Islamic State group in Syria, in an interview with the press after his hearing before the Special Assize Court of Paris, is ‘100%’ certain that Mehdi Nemmouche was one of his jailers. "When a guy has slaps you around for several months, you know exactly who he is," he says. The defendant's lawyer denounces "numerous cognitive biases" in court proceedings. IMAGES AND SOUNDBITES