Swindon taxi driver Christopher Halliwell, 48, has pleaded guilty to the murder of 22-year-old Sian O'Callaghan in March last year.
Chris Halliwell's daughter has appeared on ITV's Daybreak asking her father to give "justice" to the family of the second woman he killed.
Swindon taxi driver Chris Halliwell has been jailed for the murder of Sian O'Callaghan but is he guilty of the murder of other women?
It was a fluke, in a way, that Halliwell was ever caught. But it also needed some good detective work.