A court has been told that Nathan Matthews repeatedly and ''graphically'' told Becky Watts how he would kill her.The 17-year-old's best friend Courtney Bicker, 17, said Becky would confide in her about threats made by her step brother. In a video interview played to the jury at Bristol Crown Court she said he would "graphically describe" killing the teen "on a number of occasions" since 2013. She told a police officer: "Well Becky's told me a few times, like this has...
