New ITV drama The Pembrokeshire Murders sparked a clash among viewers who debated whether the accents in the three-part series were a realistic representation of the area.
Tonight, the first episode aired and follows newly promoted Detective Superintendent Steve Wilkins, played by Luke Evans, taking the reins of a cold murder case from the 80s.
In 1985, siblings Richard and Helen Thomas were slain in a double killing and just four years later, Peter and Gwenda Dixon were murdered.
The murders were known as the Pembrokeshire murders, or the Pembrokeshire Coastal Path murders, but Welsh serial killer John Cooper was convicted in May 2011 of the double murders.
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