Murder Case

This episode sees the Police Unit's number one suspect in the disappearance of Julie Reilly, under interrogation.

His interview leads to frustration for Julie's family and the detectives. They need to gather more evidence to convict him, but with no body it takes all their skill to prove guilt and charge their suspect.

Forty-six-year-old Stephen Wallace is found dead in his Paisley home from a number of injuries. The detectives forensically comb the crime scene for clues which will lead them to his killer.

The detectives investigate the case of 37-year-old Paul Mathieson, who was brutally assaulted and found fighting for his life on a street in Renfrew.

Police Scotland's major investigation teams deal with around 60 murders a year. This episode delves deeper into the nature of the job. Through reconstructions and interviews with both senior and rookie detectives, the film reveals what it is like to work on such devastating cases.