In October 2012, at a time of nascent moral panic over sex crimes allegedly committed years ago by now ageing public figures, the Metropolitan Police - using the code name Operation Yewtree - adopted the mantra 'You will be believed'. Hundreds of people, mainly women, came forward with allegations that resulted in household names facing prosecution. Rolf Harris was one of the many who were accused. This is the story of what really happened to Rolf Harris, told from the perspective of the private investigator who, along with his dedicated team, exposed flaws in the police investigation and uncovered evidence that in no small way contributed to Rolf's acquittal at the second and third trials.