Season 4

1. Bournemouth's Crossbow Killer

2020-01-07 · 60m

After a fire breaks out at a home, police receive a strange phone call that triggers a hunt for a killer.

2. The Acid Bath Murders

2020-01-14 · 60m

The case of John George Haigh, who came up with a plan for the 'perfect' murder when he was serving time in prison for fraud.

3. The Murderous Bigamist

2020-01-21 · 60m

When Pierre LeGris reports his wife Rui Li missing, police are instantly wary, and they uncover a tangled web of loyalty and deception.

4. The Blackpool Double Murder

2020-01-28 · 60m

Investigating the murders of two elderly women, a decade apart.

5. The Lady Killer

2020-02-04 · 60m

The murder of a part-time actress triggers a nationwide manhunt for a killer.

6. The Merseyside Wheelchair Murderer

2020-02-11 · 60m

When Linda Anders is found dead at home, her wheelchair-bound husband Malcolm claims an intruder broke in. Police findings quickly change the course of the investigation.

7. The Brighton Trunk Murders

2020-02-18 · 60m

Dismembered bodies of two women are both found in car boots, the first at a train station, the second in a city.

8. Eastbourne's Dr Death

2020-02-25 · 60m

The case of John Bodkin Adams, a trusted GP who befriended older patients and was often named in their wills after their deaths.

9. The Newport Revenge Murder

2020-03-03 · 60m

The case of Robert Henry Davies, who committed murder after a sexual assault investigation threatened to revisit sins from his past.

10. The Party Killer

2020-03-10 · 60m

The case of Charlotte Pinkey, a woman who disappeared in Ilfracombe after going to a party and never returning.