0 , ▁three ▁gu err illas ▁in ▁blue ▁over alls ▁and ▁yellow ▁hard h ats ▁amb ushed ▁the ▁car ▁of ▁Lieutenant - Col onel ▁Roger ▁Ver g ara ▁Cam pos , ▁director ▁of ▁the ▁Chile an ▁Army ▁Int elligence ▁School , ▁and ▁killed ▁him ▁and ▁wounded ▁his ▁driver ▁in ▁a ▁bar rage ▁of ▁bul lets ▁from ▁A K - 4 7 ▁assault ▁rif les . ▁On ▁ 3 0 ▁December ▁ 1 9 8 0 , ▁M IR ▁gu err illas ▁kill ▁two ▁car ab ine er ▁corpor als , ▁ 3 1 - year - old ▁Washington ▁God oy ▁Pal ma ▁and ▁ 2 7 - year - old ▁Daniel ▁Alberto ▁Le iva ▁González . ▁ ▁In ▁a ▁message ▁sent ▁to ▁Santiago ▁press ▁ag encies ▁in ▁February ▁ 1 9 8 1 ▁the ▁M IR ▁claimed ▁to ▁have ▁carried ▁out ▁more ▁than ▁ 1 0 0 ▁attacks ▁during ▁ 1 9 8 0 , ▁among ▁them ▁the ▁bomb ing ▁of ▁electric ity ▁p yl ons ▁in ▁Santiago ▁and ▁Val par ais o ▁on ▁November ▁ 1 1 ▁which ▁caused ▁w ides p read ▁black outs , ▁and ▁bomb ▁attacks ▁on ▁three ▁banks ▁in ▁Santiago ▁on ▁December ▁ 3 0 ▁in ▁which ▁one ▁car ab in ero ▁was ▁killed ▁and ▁three ▁people ▁wounded . ▁On ▁ 1 9 ▁September ▁ 1 9 8 1 , ▁Army ▁Private ▁Victor ▁Manuel ▁N ah uel pan ▁Silva ▁is ▁killed ▁during ▁counter - ins ur gency ▁operations ▁in ▁the ▁N elt ume ▁area . ▁In ▁November ▁