When the murder of a young woman points police to a quiet church handyman, detectives uncover a serial killer hidden in plain sight for decades, linked to multiple killings across the U.K.

The British Royal Family is linked to scandal when a former aide goes on the run after her boyfriend is murdered. When police find her, she makes explosive allegations of abuse by him. Police delve into the couple's secrets to ask if she murdered in cold blood?

A chilling 999 call captures two men in their final moments during a deadly high-speed car chase. CCTV leads police to a viral mother-daughter TikTok duo, exposing dark family secrets, a deadly ambush plot and a ruthless obsession with image.