Air date: 2021-01-11

Runtime: 47 min

Detective Superintendent Steve Wilkins reinvestigates one of Pembrokeshire's most notorious unsolved crimes, known locally as the Coastal Path Murders.

Air date: 2021-01-12

Runtime: 47 min

With Cooper's second parole hearing looming closer, Detective Steve Wilkins and his team face Cooper head-on in three days of interviews.

Air date: 2021-01-13

Runtime: 47 min

A long-awaited forensic breakthrough gives Detective Steve Wilkins and his team the ammunition they need to finally arrest and prosecute John Cooper.