The case of 81-year-old Colin Dunford, who was found murdered in his own living room in Middlesbrough. Investigators raced against time to piece together Colin's final hours, but when another person was killed in eerily similar circumstances, the possibility of a roaming predator became very real. Police launched an urgent, fast-moving manhunt across the North, tracking sightings, CCTV, phone and financial clues.

The case of 20-year-old Banaz Mahmood, who disappeared from South London after warning the police that her life was in danger, claiming members of her own family were threatening to kill her. Detective chief inspector Caroline Goode led a high-stakes investigation that quickly uncovered a world of secrecy, control and fear.

Investigating the death of 29-year-old Police Special Constable Nisha Patel-Nasri, who was found fatally wounded outside her own home in North London just before midnight. As detectives retraced Nisha's final hours, they uncovered hidden tensions, troubling connections and a web of relationships stretching far beyond her quiet suburban street.

The death of 96-year-old Emma Finch, whose body was found inside a bungalow on fire in the Hampshire village of Liss. Investigators determined that fire wasn't an accident after noticing that it seemed unusually contained and key details didn't add up. A full murder inquiry was launched, as detectives look into Emma's final hours for clues on what happened.

The murder investigation sparked by the discovery of partial human remains inside a discarded bag in Greater Manchester woodland. The race to identify a victim with no name, no face and no obvious clues became more complicated when DNA tests returned with no matches. Detectives returned to the only lead they had - the crime scene itself.

Examining the death of 26-year-old Elle Edwards, who was killed by a gunman armed with a military-grade machine gun outside a pub on Christmas Eve, 2022. The shooter fled, attempting to disappear into the night. CCTV revealed this was no random act and as pressure mounted, a breakthrough changed the direction of the case, triggering a nationwide manhunt.