1 9 8 1 , ▁M IR ▁gu err illas ▁killed ▁three ▁member ▁of ▁ ▁Police ▁Investig ations ▁as ▁they ▁stood ▁in ▁front ▁of ▁the ▁home ▁of ▁the ▁chief ▁minister ▁of ▁the ▁president ial ▁staff . ▁In ▁swe eps ▁carried ▁out ▁from ▁June ▁to ▁November ▁ 1 9 8 1 , ▁security ▁forces ▁destroyed ▁two ▁M IR ▁bases ▁in ▁the ▁mountains ▁of ▁N elt ume , ▁se izing ▁large ▁c aches ▁of ▁m un itions ▁and ▁killing ▁a ▁number ▁gu err illas . ▁M IR ▁gu err illas ▁ret ali ated ▁and ▁carried ▁out ▁twenty - six ▁bomb ▁attacks ▁during ▁March ▁and ▁April ▁ 1 9 8 3 . ▁ ▁Left ist ▁gu err illas , ▁waiting ▁in ▁a ▁yellow ▁pick - up ▁tr uck , ▁amb ushed ▁on ▁ 3 0 ▁August ▁ 1 9 8 3 ▁the ▁governor ▁of ▁Santiago , ▁retired ▁Major - General ▁Carol ▁Ur z ua ▁Ib á ñ ez ▁as ▁he ▁left ▁his ▁home , ▁killing ▁him ▁and ▁two ▁of ▁his ▁body gu ards ▁( ar my ▁corpor als ▁Carlos ▁River os ▁Be quia rel li ▁and ▁José ▁ ▁Dom ingo ▁Agu ay o ▁Franco ) ▁in ▁a ▁ha il ▁of ▁subm achine - gun ▁fire . ▁In ▁October ▁and ▁November ▁ 1 9 8 3 , ▁M IR ▁gu err illas ▁bom bed ▁four ▁US - associ ated ▁targets . ▁Gu err illas ▁killed ▁two ▁polic emen ▁( car ab in ieri ▁Francisco ▁J avier ▁Pérez ▁Brit o ▁and ▁ser ge ant ▁Manuel ▁Jes ús ▁Val