Quis custodiet ipsos custodes? Who will guard the guards? For centuries, the Catholic church has been self-policing, but now there are those fighting for reform.
Australia's most senior Catholic is going to jail. Here's how we got here.
Pope Benedict XVI will arrive in Britain this week well aware that the Catholic church's reputation has again been badly tarnished by priest sex scandals. Victims are calling for an official apology from the top, but how much does Benedict really know? BBC's Panorama investigates.