▁whose ▁characters ▁were ▁murder ed ▁by ▁Silva ' s ▁during ▁the ▁course ▁of ▁the ▁film . ▁Vari ety ▁pra ised ▁Silva ' s ▁performance , ▁writing ▁" Hen ry ▁Silva , ▁as ▁a ▁Sic ilian - born ▁assass in , ▁is ▁at ▁home ▁as ▁the ▁' d elivery ▁boy ▁of ▁death ' ". ▁The ▁film ' s ▁box - office ▁rece i pts ▁dropped ▁by ▁late ▁November ▁( part ly ▁due ▁to ▁the ▁death ▁of ▁President ▁John ▁F . ▁Kennedy ). ▁ ▁In ▁ 1 9 6 5 , ▁an ▁Italian ▁film ▁producer ▁made ▁Silva ▁an ▁offer ▁to ▁star ▁as ▁a ▁hero ▁for ▁a ▁change ▁and ▁he ▁moved ▁his ▁family ▁over se as . ▁Silva ' s ▁turning - point ▁picture ▁was ▁a ▁sp agh etti ▁western , ▁The ▁Hills ▁Run ▁Red ▁( 1 9 6 6 ), ▁which ▁made ▁him ▁a ▁hot ▁box - office ▁comm od ity ▁in ▁Spain , ▁Italy , ▁Germany , ▁and ▁France . ▁Between ▁ 1 9 6 6 ▁and ▁ 1 9 7 7 ▁he ▁star red ▁or ▁co - star red ▁in ▁at ▁least ▁ 2 5 ▁mov ies , ▁the ▁majority ▁of ▁which ▁were ▁Italian ▁Pol izi ott esch i ▁films , ▁where ▁he ▁normally ▁played ▁the ▁villa in ▁or ▁hit man , ▁or ▁the ▁dark ▁hero , ▁or ▁a ▁combination ▁of ▁the ▁two . ▁His ▁best ▁remembered ▁of ▁these ▁are ▁Manh unt ▁( 1 9 7 2 ), ▁Il ▁B oss ▁( 1 9 7 3 ), ▁and ▁Al most ▁Human ▁( 1