Stephen Kiesle, a former priest and a convicted sex offender was accused of molesting children while studying to be a priest in the 1970s. He pleaded no contest to some of those charges, but also said he no longer wanted to be a priest. His bishop at the time agreed - Kiesle should not be associated with the Catholic Church.
But there was one man who disagreed - Joseph Cardinal Ratzinger - then a top Vatican official and now Pope Benedict the XVI.
Why did he wait to act? CNN's Gary Tuchman took a closer look.
Read the AC360° blog post | For the full report watch AC360° tonight at 10 p.m. ET.