Santucho was arrested in August 1971 in the Argentine city of Cordoba and transferred to the Villa Devoto Prison in Buenos Aires . During his time in prison he would enter in contact with members of the Communist Party , the Montoneros , the Fuerzas Armadas Revolucionarias ( FAR ) and the Fuerzas Armadas Peronistas . On August 15 , 1972 , he successfully escaped the Rawson maximum-security detention center and fled to Chile along with several members of FAR and the Montoneros . The escape operation involved , among other dramatic events , the seizure and redirection of a commercial airline flight . Shortly thereafter , the Argentine Armed Forces murdered his wife Ana María Villareal along with 15 other militants in the events later known as the " Trelew Massacre " . In Chile , Santucho and his companions were granted safe passage by then president Salvador Allende to continue onwards to La Habana , Cuba
Trelew Massacre
Trelew massacre
Mario Roberto Santucho