devil's advocate

I was watching 20/20 episode about medical miracles.

I learned where the term Devil's Advocate came from. I actually use this term rather commonly at the office but never knew of its origin.

From wiki: During the canonization process of the Roman Catholic Church, the Promoter of the Faith (Latin: promotor fidei), popularly known as the Devil's advocate (Latin: advocatus diaboli), is a canon lawyer appointed by Church authorities to argue against the canonization of the candidate. It is his or her job to take a skeptical view of the candidate's character, to look for holes in the evidence, to argue that any miracles attributed to the candidate were fraudulent, etc. The Devil's advocate opposes God's advocate (Latin: advocatus dei; also known as the Promoter of the Cause), whose task is to make the argument in favor of canonization.

Interesting, right? Catholic traditions are fascinating. Other than the molesting altar boys part of course.