Kammala jumla mai zuwa: A ranar 5 ga Oktoba, 1963, Amurka ta dakatar da CIP na ɗan gajeren lokaci bayan aikin McNamara Taylor, wani bincike na bincike zuwa Kudancin Vietnam wanda Sakataren Tsaro Robert McNamara da Shugaban Kwamitin Janar Maxwell D. Taylor suka gudanar don bincika ci gaban yaƙi da 'yan tawaye na Vietcong. Rahoton ya kammala cewa Diem ba ya mai da hankali kan yaƙar tawaye amma a maimakon haka ya damu da murkushe zanga-zangar Buddha don daidaito na addini, kamar mamaye pagodas da
harbe-harben 'yan adawa na Buddha. Ofaya daga cikin dalilan dakatar da CIP shine a ba wa jami'an soji sigina cewa Washington ba ta da farin ciki da Diem kuma saboda haka ta ƙara damar juyin mulki, da kuma ƙoƙarin haɓaka ƙiyayya ta birni ga Diem a tsakanin waɗanda suka riga sun amfana daga CIP. Wani kuma shi ne cewa Diem na iya canza tsarin manufofinsa daidai da burin Amurka, kodayake sun yi la'akari da hakan ba zai yiwu ba. An dawo da kudade a farkon Nuwamba 1963, kimanin wata daya bayan haka, bayan da aka kashe Diem da kisan kai a cikin juyin mulki.