Pedzisa mutsara unotevera: Musi waOctober 5, 1963, CIP yakamiswa kwenguva pfupi neUnited States pamusana pebasa raMcNamara Taylor, rwendo rwekutsvaka chokwadi kuSouth Vietnam rwakaitwa naSecretary of Defense Robert McNamara uye Sachigaro weJoint Chiefs of Staff General Maxwell D. Taylor kuti vaongorore kufambira mberi kwekurwisana nechiKomonisiti cheVietcong. Mushumo wacho wakagumisa kuti Diem akanga asiri kunangidzira ngwariro pakurwisana nokupandukira asi panzvimbo pezvo akanga akabatikana nokudzvinyirira kuratidzira kwechiBuddha kwokuenzana kwechitendero, zvakadai sokupamba pagodas uye
kupfura vapanduki vechiBuddha. Chimwe chezvikonzero zvokumiswa kweCIP chaiva chokupa vakuru vemauto chiratidzo chokuti Washington yakanga isingafari naDiem uye nokudaro kuwedzera mikana yekubudirira, uyewo kuedza uye kukurudzira kutsamwa kweguta kuna Diem pakati pevaya vakanga vambobatsirwa neCIP. Chimwe chaiva chokuti Diem aigona kuchinja nhungamiro yake yemitemo mukuwirirana nezvido zveUnited States, kunyange zvazvo vakafunga kuti ikoku kwakanga kusingabviri. Mari yacho yakadzorerwa pakutanga kwaNovember 1963, mwedzi mumwe chete gare gare, pashure pokubviswa uye kuurayiwa kwaDiem mukubvuta masimba kwemauto.