Yahya ibn Ayyub, Qutaybah, and Ali ibn Hujr narrated to us; they said: Isma'il — meaning Ibn Ja'far — narrated to us, from al-'Ala', from his father, from Abu Hurayrah, that the Messenger of Allah (peace and blessings of Allah be upon him) said: "A disbeliever and his killer will never be gathered together in the Fire."