Want the best of The Telegraph direct to your email and WhatsApp? Sign up to our free twice-daily Front Page newsletter and new audio briefings. Mrs Farrow, a mother of five with strong religious views, allegedly used the wrong pronoun when referring to Ms Green’s transgender daughter. When Caroline Farrow, a Catholic commentator, and transgender rights campaigner Susie Green, agreed to take part in a television debate about a controversial Girl Guides policy, producers would have expected differences of opinion. Ms Green was so angered by what she described as a “distressing and spiteful” attack that she lodged a formal complaint with Surrey police…. But while the conversation on screen was certainly heated, it was what happened off-air when the pair continued the debate on Twitter that resulted in a six-month-long police investigation.