 Nyorai kupfuurira kweiyi ndima - Musasa wechipiri, Sisak II, wakanga wakachengeterwa avo vaionekwa sevasingakodzeri basa rokumanikidzirwa. Vashandi vayo nenzira yokunyengedza vainongedzera kwairi senzvimbo yokugamuchira vana nevapoteri kana kuti nzvimbo yokugara yavana vapoteri. Maererano nomunyori wenhau dzakaitika Joseph Robert White, vana 1,200 vokutanga vakasvika vachibva kumusasa weMlaka musi wa 29 July 1942, uye vamwe vakabva kuJasenovac V Stara Gradiška neJastrebarsko muna August. Maererano nevanyori vezvakaitika kare Paul R. Bartrop naEve E. Grimm, Sisak II yakagadzwa zviri pamutemo musi wa3 Nyamavhuvhu 1942, zvichitevera Kurwisa kweKozara. dzidzo Boka rokutanga revana 906 rakasvika paSisak II musi wa3 Nyamavhuvhu, maererano naBartrop naGrimm, nevamwe vana 650 vakasvika zuva rakatevera, uye boka rechitatu revana 1.272 musi wa6 Nyamavhuvhu. 