Kirsty Carver, a 22-year-old civilian employee of Humberside Police, was murdered in a horrendous hammer attack in the back room of a petrol station in March 1998. A huge search ensued, but her body was only discovered a month later, in a shallow grave 30 miles away. The 7th series opens with Nell Darby looking at the case of Kirsty Carver. Kirsty worked as a civilian employee of Humberside Police. After she disappeared police organised a search for her. Her killer would be revealed as Craig Belcher.