between thursday, december 8 and saturday, december 10, 1977, a group under the command of alfredo astiz, a marine captain and intelligence officer, kidnapped a group of 12 people connected with the mothers of the plaza de mayo. among them were the french nuns alice domon and léonie duquet, along with azucena villaflor and two other founders of the mothers of the plaza de mayo. astiz had infiltrated the group, posing as a family member of a "desaparacido" and using a false name.