DETECTIVE WORK

To Catch A Serial Killer — With Trevor McDonald, 9pm, ITV

THIS intriguing one-off documentary tells the incredible

true story of Wiltshire Police detective Steve Fulcher (pictured), who, by questioning killer Christopherp Halliwell at a burial site, elicited a confession to not just that murder, but also a second one — and in the process, he destroyed his own career. Trevor McDonald explores this complex case.