Series 4

01 Body in the Freezer Episode 110th March 2024 After a decomposed body is found in a freezer at a waste disposal site, West Midlands Police must identify who it is, and track down the person who concealed it. 02 Time of Death Episode 217th March 2024 When 32-year-old Marlene Doyle, reported missing by her mother, is found murdered in a Coventry flat, police turn to forensic evidence to identify her killer. 03 Untraceable Guns Episode 324th March 2024 West Midlands Police work with ballistics experts to find out whether a man with a haul of rifles in his bedroom has used a 3D printer to make potentially deadly weapons. 04 Confessions of a Killer Episode 431st March 2024 A man rings 999 to say he has killed his flatmate and forensics officers search for clues that could prove or disprove the suspect's pleas of self-defence.