▁outside ▁his ▁As un ción ▁home , ▁pe pper ing ▁the ▁SU V ▁with ▁multiple ▁r ounds ▁of ▁gun fire ▁before ▁esc aping . ▁ ▁President ▁Cub as ▁ordered ▁a ▁lock down ▁of ▁the ▁country ' s ▁borders . ▁ ▁In ▁the ▁w ake ▁of ▁the ▁killing ▁and ▁the ▁subsequent ▁ri ots ▁that ▁took ▁place ▁in ▁the ▁capital ▁area , ▁Cub as ' ▁support ▁m elt ed ▁away . ▁The ▁Chamber ▁of ▁Deput ies ▁im pe ached ▁him ▁by ▁an ▁over wh el ming ▁margin . ▁F acing ▁all - but - certain ▁conv iction ▁and ▁removal ▁from ▁office ▁by ▁the ▁Senate , ▁Cub as ▁res igned ▁on ▁March ▁ 2 8 , ▁fle eing ▁the ▁country ▁and ▁seeking ▁and ▁ultimately ▁being ▁granted ▁political ▁as yl um ▁in ▁neighbor ing ▁Brazil . ▁Senate ▁president ▁Luis ▁Áng el ▁González ▁Mac chi , ▁who ▁was ▁next ▁in ▁line ▁for ▁the ▁presiden cy ▁after ▁Ar ga ña ' s ▁death , ▁served ▁out ▁the ▁balance ▁of ▁Cub as ' ▁term . ▁ ▁Ar ga ña ' s ▁assass ination ▁has ▁never ▁been ▁fully ▁resolved , ▁but ▁popular ▁theory ▁holds ▁that ▁the ▁ou sted ▁General ▁O v ied o ▁( who ▁had ▁been ▁granted ▁as yl um ▁in ▁Argentina ▁shortly ▁after ▁his ▁release ▁from ▁prison ) ▁master mind ed ▁the ▁crime . ▁ ▁Although ▁Cub as ▁was ▁generally ▁viewed ▁to ▁be ▁easily ▁manip ulated ▁by ▁O v ied o ' s ▁influence , ▁his ▁im pe achment ▁would ▁mean ▁Ar ga ña , ▁one ▁of ▁O v