 Vieira akasarudzwazve kweimwe nguva yemakore mana seMutungamiri wePAIGC pakati paMay 1998 pakokorodzano yechitanhatu yebato, nemavhoti 438 achitsigira, masere anopesana, uye vana vasingapindiri; chinzvimbo cheMunyori Mukuru chakabviswa pakokorodzano iyi. Kuputika kwehondo yevagari vemomuna June 1998 pakupedzisira zvakatungamirira kukudzingwa kwaVieira muna May 1999. Mazuva mashomanana gare gare, aimbova Mutungamiriri weHurumende Manuel Saturnino da Costa akatumidzwa kuti ave Mutungamiri wePAIGC musi wa 12 May 1999. Vieira akadzingwa muPAIGC pakokorodzano yebato muna September 1999 nokuda kwemhosva dzokutengesa nyika, kutsigira nokukurudzira hondo, uye miitiro isingawirirani nemitemo yebato. Francisco Benante, mutungamiri wevagadziri mukati mebato uye chete munhu wevanhu mumutungamiri wemauto ehurumende, akasarudzwa semutungamiri wePAIGC pakupera kwekongiresi musi wa 9 September 1999. Kuda kukwikwidza kwaBenante kwakatsigirwa nehurumende yechisimba, uye akawana mavhoti 174 achipesana nemavhoti 133 omumiriri mumwe chete aipikisa. 