Series 5

West Midlands Police and forensic teams attending the scene of a brutal stabbing in a brothel turn to a trail left in blood in a bid to track the killer.

After paramedics discover a man’s brutal murder, West Midlands Police turn to forensics to establish whether a friend who phoned for help is a witness or a suspect.

An elderly man is found dead in his home amid signs of forced entry and a brutal attack. West Midlands Police must identify when and how he died in a bid to track down his killer.