ists , ▁intellect uals ▁and ▁trade ▁union ists ; ▁gather ing ▁information ▁that ▁even ▁today ▁remains ▁" class ified ". ▁As ▁both ▁the ▁Cold ▁War ▁and ▁left ist ▁political ▁violence ▁intens ified ▁in ▁the ▁early ▁ 1 9 7 0 s , ▁however , ▁the ▁S IDE ▁would ▁ac quire ▁a ▁prominent ▁role ▁in ▁the ▁per sec ution , ▁murder , ▁and ▁disapp earance ▁of ▁thousands ▁of ▁people ▁during ▁Argentina ' s ▁D irty ▁War ▁in ▁the ▁mid ▁ 1 9 7 0 s . ▁ ▁The ▁C IA ▁contributed ▁to ▁this ▁policy ▁with ▁intelligence ▁training ▁and ▁technical ▁assistance , ▁including ▁ar son ▁techniques ▁for ▁" clean " ▁fires ▁whose ▁origin ▁was ▁made ▁difficult ▁to ▁detect . ▁This ▁collaboration , ▁as ▁well ▁as ▁similar ▁arrang ements ▁with ▁other ▁South ▁American ▁dict ator ships , ▁was ▁known ▁as ▁Operation ▁Cond or , ▁and ▁was ▁formally ▁implemented ▁in ▁ 1 9 7 5 . ▁S IDE ▁worked ▁closely ▁with ▁the ▁Tri ple ▁A ▁right - wing ▁death ▁squad ▁initially , ▁and ▁with ▁the ▁Argent ine ▁Army ▁Int elligence ▁unit , ▁Battalion ▁ 6 0 1 , ▁after ▁the ▁March ▁ 1 9 7 6 ▁coup . ▁S IDE ▁operated ▁the ▁Autom ot ores ▁Or lett i ▁det ention ▁facility ▁in ▁Buenos ▁Aires ▁in ▁which ▁around ▁ 3 0 0 ▁people ▁were ▁killed , ▁with ▁the ▁vict ims ' ▁property ▁distributed ▁among ▁the ▁tort ur ers . ▁Two ▁of ▁its ▁man agers , ▁S IDE ▁officer ▁An í bal ▁Gordon ▁and ▁Battalion ▁ 6 0 1