 Many years later , the abbey is visited by <unk> <unk> ( God 's Advocate ) and <unk> ( the Devil 's Advocate ) , the Church 's investigators in the case for Leibowitz 's sainthood . Leibowitz is eventually canonized as Saint Leibowitz – based partly on the evidence Francis discovered in the shelter – and Brother Francis is sent to New Rome to represent the Order at the canonization Mass . He takes the documents found in the shelter and an illumination of one of the documents on which he has spent years working , as a gift to the Pope . 
