dr. andrea ambrosi returned to the congregation of saints for what would be a pivotal meeting.ndreds of thousands of dollars spent, and it would all come down to one vote. ambrosi was in the hallway waiting. even the saintmaker admits he was nervous. you had talked these nuns into spending the money, pushing the cause of theodore and, quote, if it went badly, i would throw myself into the river. do you remember that moment? >> translator: yes, i remember. the sister was worried about expenses. they worked so hard, and they didn't want to waste money on a case that might not succeed. i didn't want to give them a negative result. >> reporter: the phone call would not be negative. it was ambrosi inviting the sisters to rome to st. peter's square to witness the canoniization of mother theodore. when you looked up and you saw mother theodore up there, it must have been something else. >> wonderful, wonderful feeling to know that she was our forerunner. our model. our mother. she was a gift of god to us and to the world. >> reporter: and now a saint. >> to this day, phil mccourt says

dr. andrea ambrosi returned to the congregation of saints for what would be a pivotal meeting.undreds of thousands of dollars spent, and it would all come down to one vote. ambrosi was in the hallway waiting. even the saintmaker admits he was nervous. you had talked these nuns into spending the money, pushing the cause of theodore and, quote, if it went badly, i would throw myself into the river. do you remember that moment? >> translator: yes, i remember. the sister was worried about expenses. they worked so hard, and they didn't want to waste money on a case that might not succeed. i didn't want to give them a negative result. >> reporter: the phone call would not be negative. it was ambrosi inviting the sisters to rome to st. peter's square to witness the canoniization of mother theodore. when you looked up and you saw mother theodore up there, it must have been something else. >> wonderful, wonderful feeling to know that she was our forerunner. our model. our mother. she was a gift of god to us and to the world. >> reporter: and now a saint. >> to this day, phil mccourt say

dr. andrea ambrosi, a man connected to the causes of nearly 400 saints. when we met him outside st.re, he told us through his assistant, madeleine, he was juggling the causes of 30 to 40 more. are they all saints? >> well, they're not saints yet. >> reporter: though his small walkup office doesn't show it, insiders say he has become wealthy in the expensive pursuit of making saints. so saintmaker is accurate? >> translator: yes. broadly speaking, it is. >> reporter: ambrosi says the cost is flexible, depending on the wealth of clients. american causes can be the most expensive. starting at $40,000, cases can last for years and costs can add up to as much as $1 million. but despite the cost, he told the sisters they had a very good case. the saint maker, well, knows a saint when he sees one. >> translator: i must say, she was an extremely brave woman. she's a great example of a truly moderate woman. >> reporter: dr. ambrosi determined the only thing holding back sainthood for mother theodore guerin was just another sign, another miracle. >> we needed a second one, yes. >> reporter: w