 Fermán Cienfuegos

José Eduardo Sancho Castañeda, better known by his nom de guerre Fermán Cienfuegos (born 6 March 1947) was the leader of the Salvadoran organization Fuerzas Armadas de la Resistencia Nacional ("National Resistance Armed Forces" in English, part of Resistencia Nacional or "RN").He was born in San José, Costa Rica.