Rubuta ci gaba don wannan sakin layi - Bayan barin Cuba, Dalton ya shiga cikin yakin basasa na El Salvador
, ya shiga rundunar sojojin juyin juya halin jama'a (ERP) a shekarar 1973. A cikin ERP, ya sami kansa cikin rikici na ciki mai tsanani tare da jagora Alejandro Rivas Mira, wanda ke zama jagora mai tasiri na ƙungiyar masu dauke da makamai. A sakamakon haka, shugabancin ERP ya yanke shawarar kashe shi.