For 14 years, Jayne Senior tried to help girls from Rotherham who had been groomed, raped, tortured, pimped, and threatened with violence by sex traffickers. As the manager of Risky Business, which was set up to work with vulnerable teens, she heard heart-breaking and shocking stories of abuse and assiduously kept notes and details of the perpetrators, passing information on to the authorities in the belief that they would do something. Eventually, when she lost hope that the authorities would take action against the gangs she had identified as the abusers, she became a whistleblower for the...