Two unsolved double murders from the 1980s cast a shadow over the work of the Dyfed Powys police force. In 2006, newly promoted Detective Superintendent Steve Wilkins decided to reopen both cases. Employing pioneering forensic methods, Wilkins and his hand-picked team found microscopic DNA and fibres that potentially linked the murders to a string of burglaries committed in the 1980s and 1990s.
A long-awaited forensic breakthrough gives Detective Steve Wilkins and his team the ammunition they need to finally arrest and prosecute John Cooper.
With Cooper's second parole hearing looming closer, Detective Steve Wilkins and his team face Cooper head-on in three days of interviews.
Detective Superintendent Steve Wilkins reinvestigates one of Pembrokeshire's most notorious unsolved crimes, known locally as the Coastal Path Murders.