The woman so obsessed with serial killers she became one & how her writing revealed telltale signs of what was to come

FROM a young age Jemma Lilley immersed herself in horror - shelves of gory films, blocks of razor-sharp knives in her home, and a dark obsession she could barely hide: the fantasy of killing someone. And on June 13 2016, that fixation turned real. For years, the British expat, who grew up in Stamford, Lincolnshire,...