Invisible Threat Rag Trade Inside Scientology Tahlia's Story Invisible Threat It was brazen and brutal. When a British soldier was run down by a car in London and then hacked to death with meat cleavers, it signalled the beginning of a new and frightening form of terrorism. Two British born, Muslim men at the scene, hands bloodied and still carrying their weapons waited patiently for police to arrive - all the while spreading their message of hate to stunned onlookers. It raises the frightening question - how do you counter terrorism by young radicalised men, willing to act as individuals with no threat or warning? Reporter: Liz Hayes Producer: Stephen Rice Rag Trade This is a story our major retailers would prefer you didn't see. 60 Minutes has just been inside the third world factories where thousands of workers are making the cut-price clothes that we wear every day. Getting our cameras into the country, and then into the factories, was not easy. The government of Bangladesh is on edge after more than 1000 people died in a factory collapse in April. But once inside, what we saw was eye-opening and makes you think twice about where your clothes come from. Reporter: Michael Usher Producer: Phil Goyen Inside Scientology Over the years we've heard a lot about the Church of Scientology. It's high profile has been bolstered by Hollywood A-listers. But what goes on behind the walls of this religion isn't always glamorous. The church is led by David Miscavige, a man who usually prefers to stay out of the public eye. But now his niece has shone a bright, unwelcome light upon the church and its behaviour. Jenna Miscavige Hill spent more than 20 years in the church with her uncle. She told her story to Liz Hayes. Reporter: Liz Hayes Producer: Phil Goyen Tahlia's Story Stroke is a leading cause of death and disability in Australia, in fact it's the second biggest killer after heart disease. And it's not just older Australians who are suffe