When Bennylyn Burke and her young daughter, Jellica, vanish after visiting a man she met online, police uncover a disturbing crime with international roots.

Mark Martin boasted he wanted to become Nottingham's first serial killer - and he succeeded. After childhood, Martin spiralled into drug abuse and violent fantasies.

Tai O'Donnell was a gifted 19-year-old with a bright future. But, when he entered a volatile relationship with Kamila Ahmad, things took a dark turn.

Claire Morris was a young nurse with everything to live for when she died in a car crash. At first, it seemed like a tragic accident.

Jayden Parkinson was just 17 when she vanished shortly before Christmas. What follows is the unravelling of a toxic, coercive relationship with Ben Blakeley.

In the quiet town of Hyde, Greater Manchester, patients of respected GP Harold Shipman begin dying in unusually high numbers.

Vera Hudson was a well-known, well-loved member of her Hull community. So when she had stopped answering her door, neighbours grew worried.

Gary Cunningham was trying to make a relationship work. But behind closed doors, he was being abused.

Shane Gilmer and Laura Sugden were planning a quiet night out when a horrific ambush shattered their lives.