By Joseph Pronechen, EWTN News - Did you ever think about or realize what the power of one Hail Mary can do?... John Petrovich and Father Joe Freedy have, after a recent, convincing incident... “When I heard it, I was struck — how incredible that story is,” Father Freedy, assistant at Divine Mercy parish in the Diocese of Pittsburgh and president of Dry Bones Ministries, said after he listened to Petrovich recounting the details to him at the end of a retreat.