Cold Case Killers (2021)

S3E4 Killed at Christmas

A decade after the remains of local Cardiff girl Geraldine were discovered just days before Christmas, Detective Superintendent Paul Kemp and his team embark on a quest to identify her killer using innovative forensic techniques. Just as they secure a DNA match to a potential suspect, they realize time is of the essence, as he is on the verge of being released from Dartmoor Prison.