For over four decades the brutal 1983 murder of Aberdeen taxi driver George Murdoch has remained unsolved, leaving a family without answers and a community wondering if his killer still walks among them. The brutality of the crime is underscored by the unusual weapon used in the murder, a cheesewire. Presented by Kirsty Wark and narrated by Nicola Walker, this documentary delves into the details of the crime, exploring the significant advancements in forensics that have led to a DNA breakthrough that could help solve the case.