When they woke up this Wednesday, March 16, they stuffed some things into their shopping bags. Abdel (name has been changed), 21, chose a more cheerful shopping bag, with colorful hearts on it. Inside this improvised luggage, change in case of their imprisonment. Because like Abdel., two other young peers did not know if this Wednesday evening they would return to their homes in Saint-Denis (Seine-Saint-Denis) or if they would discover the prison world .