- called ▁Santa ▁Cruz ▁Cart el , ▁alleg edly ▁linked ▁to ▁the ▁Med ell ín ▁Cart el ▁in ▁Colombia , ▁claimed ▁responsibility ▁for ▁the ▁machine - gun ▁mur ders ▁of ▁two ▁members ▁of ▁the ▁Special ▁Ant in arc ot ics ▁Force ▁in ▁Santa ▁Cruz ▁in ▁March ▁ 1 9 8 8 . ▁Boliv ians ▁were ▁also ▁concerned ▁about ▁the ▁increasing ▁bra z enn ess ▁of ▁Boliv ia ' s ▁drug ▁tra ff ick ers , ▁as ▁demonstrated ▁in ▁August ▁ 1 9 8 8 ▁by ▁a ▁low - power ▁dynam ite ▁attack ▁on ▁Secretary ▁of ▁State ▁George ▁P . ▁Sh ult z ' s ▁car ▁car avan ▁as ▁it ▁head ed ▁up ▁to ▁La ▁Paz ' s ▁Kennedy ▁International ▁Airport . ▁The ▁so - called ▁Sim ón ▁Bol í var ▁Group ▁and ▁the ▁Pablo ▁Z ár ate ▁Will ka ▁National ▁Ind igen ous ▁Force ▁( F uer za ▁Ind igen ista ▁Pablo ▁Z ár ate ▁Will ka — FI P Z W ) ▁claimed ▁responsibility . ▁ ▁N arc ot ics ▁cor ruption ▁D rug - related ▁cor ruption ▁reported ly ▁began ▁to ▁take ▁a ▁firm ▁hold ▁within ▁Boliv ia ' s ▁military ▁and ▁security ▁services ▁under ▁General ▁Ban zer ' s ▁rule ▁( 1 9 7 1 – 7 8 ). ▁The ▁García ▁Me za ▁regime ▁( 1 9 8 0 – 8 1 ), ▁however , ▁was ▁one ▁of ▁Boliv ia ' s ▁most ▁flag rant ▁examples ▁of ▁n arc ot ics ▁cor ruption . ▁García ▁Me za ' s ▁so