Reporter John Sweeney's last investigation into the Church of Scientology resulted in an explosive confrontation with church officials. This time, in a Panorama Special, one of those officials has turned whistleblower to help him reveal the dark secrets of the church, which boasts Hollywood A-listers Tom Cruise and John Travolta among its devotees.
click here to see where to watch or .
Ready to Watch Panorama, Season 58, Episode 36?