FROM A BESTSELLING CATHOLIC AUTHOR Latest norms on investigating potential saints and sainthood through the Cause of Beatification and Canonization. Revisions from Vatican II to 1983 concerning servants of God and the study of the heroic virtues, the reputation of sanctity, miraculous intercessions, and the writings of these servants of God. Interviews with officials from the Sacred Congregation for the Causes of Saints at the Vatican This work was reviewed and approved by several authorities at the Holy See.