They threw hundreds of prisoners into the sea from the port of Algiers or by helicopter death flights. Since the corpses sometimes came back up to the surface, they began to pour concrete on their feet. These victims were known as "Bigeard's shrimps" ("crevettes Bigeard") after the surname of a notorious paratroop helicopter commander.[20][21][22][23] French military chaplains quieted the troubled military's consciences.