A member of the Research and Intervention Brigades (BRI) manipulates a drone prior to a training exercise in the event of a terrorist attack, in presence of the French Interior Minister Bernard Cazeneuve with members of the National Gendarmerie Intervention Group (GIGN) and Recherche Assistance Intervention Dissuasion (RAID) at la Gare Montparnasse, center in Paris on April 20, 2016. (Photo by Miguel Medina/Reuters)
