"Santiago Mart\u00EDn Rivas was a major in the Peruvian Army, a member of the Army Intelligence Service, and the leader of a death squad known as Grupo Colina, responsible for a number of massacres during the government of Alberto Fujimori. He is currently imprisoned."@en . . . "Peru"@en . . . . "Santiago Mart\u00EDn Rivas was a major in the Peruvian Army, a member of the Army Intelligence Service, and the leader of a death squad known as Grupo Colina, responsible for a number of massacres during the government of Alberto Fujimori. He is currently imprisoned."@en . "Santiago Mart\u00EDn Rivas"@en . . . . . . "Currently imprisoned"@en . . . . . . . . "Santiago Mart\u00EDn Rivas"@en . .