sentences:  Once again the National went through another restructuring due to social and political instability under the name of Security National Service produced by El Bogotazo and La Violencia.In 1953, during the military dictatorship of Gustavo Rojas Pinilla, duties were restructured once again and assigned to the Colombian Intelligence Service ("Servicio de Inteligencia Colombiano" and put under the command of the Police Force, also under the Ministry of War.Intelligence duties were given to the F-2, (personnel (F-1), intelligence (F-2), operations (F-3), and logistics (F-4)).