Cold, Cold Heart

Professor Kate Hanson and the Unsolved Crime Unit unearth some shocking findings when they re-examine a 10-year-old murder case.

For the past ten years, David Lockman has been serving a life sentence for the murder of Della Harrington. Now an appeal judge has decreed the forensic evidence unsatisfactory and the original verdict unsafe.

Tasked with re-examining the case, forensic psychologist Kate Ha...