Air date: 2019-02-04

Runtime: min

Ian Stewart murdered his partner, children's author Helen Bailey, in 2016. He dumped her and her dog in a septic tank at her Hertfordshire home, but reported her missing and produced a note claiming she had gone to stay at a holiday home.

Air date: 2019-02-11

Runtime: min

Philip Glenister delves into the story that unfolded in the aftermath of mother-of-four Saima Khan's murder in her Luton home.

Air date: 2019-02-18

Runtime: min

The manhunt spanned three countries when Geoff Seggie was murdered in his Derbyshire home. His killer eventually made contact, but he never revealed his motive.

Air date: 2019-02-25

Runtime: min

Philip Glenister explores the aftermath of Bei Carter's murder in Bridlington. The investigation hinged on the public's sightings after her killer vanished.

Air date: 2019-06-10

Runtime: min

Alarm bells ring for detectives when the hunt for Peter Fasoli's murderer leads them to a second body in Italy. Suddenly, the search is on for a serial killer.

Air date: 2019-06-17

Runtime: min

Police thought Manchester mum Sian Roberts's murder was a cut-and-dried case when they got a frantic 999 call from her ex. However, they could not have been more wrong.

Air date: 2019-06-24

Runtime: min

Police are at a loss when a 79-year-old is killed in her Hartlepool home. But when the evidence mounts and the killer's movements are tracked, the net closes in.

Air date: 2019-07-01

Runtime: min

A look into the 2007 murder of farmer's wife Kate Prout in Gloucestershire. Having failed to find her body, police wondered if the truth would ever be revealed.