7 - year - old ▁Rosa ▁River a ▁F ier ro , ▁later ▁died ▁of ▁her ▁w ounds . ▁On ▁ 2 8 ▁November ▁ 1 9 8 6 , ▁M IR ▁gu err illas ▁after ▁having ▁been ▁stopped ▁by ▁a ▁police ▁vehicles , ▁shot ▁and ▁killed ▁ 3 1 - year - old ▁car ab in ero ▁Lieutenant ▁Ja ime ▁Luis ▁S á enz ▁Ne ira . ▁ ▁On ▁ 1 1 ▁September ▁ 1 9 8 7 , ▁a ▁police ▁vehicle ▁was ▁completely ▁destroyed ▁in ▁a ▁bomb ▁attack ▁in ▁Santiago , ▁killing ▁two ▁car ab iner os . ▁On ▁ 2 0 ▁January ▁ 1 9 8 8 , ▁a ▁bomb ▁plant ed ▁by ▁M IR ▁gu err illas ▁in ▁the ▁Cap red ena ▁Medical ▁Center ▁in ▁Val par ais o ▁killed ▁a ▁ 6 4 - year - old ▁female ▁p ension er ▁( B erta ▁Rosa ▁P ardo ▁Mu ñ oz ) ▁and ▁wounded ▁ 1 5 ▁other ▁women . ▁On ▁January ▁ 2 6 , ▁M IR ▁gu err illas ▁plant ed ▁a ▁bomb ▁in ▁a ▁house ▁in ▁La ▁C is tern a ▁that ▁killed ▁ 4 2 - year - old ▁Major ▁Jul io ▁El ad io ▁Ben im eli ▁R uz , ▁commander ▁of ▁the ▁car ab iner os ▁special ▁operations ▁group . ▁In ▁June ▁ 1 9 8 8 , ▁M IR ▁gu err illas ▁conducted ▁a ▁series ▁of ▁bomb ings ▁in ▁Santiago , ▁at ▁various ▁banks . ▁F PM R ▁gu err illas ▁that