Investigation Discovery TV Guide — Sunday, 6 September 2026

Former Nickelodeon stars from the early 2000s join host Soledad O'Brien to discuss the dark side of kids' TV

When a flight attendant's mutilated body was found in her hotel room, it required the discovery of links to another heinous killing to blow the case wide open

Harold Shipman was a much-loved doctor. Millions watched the GP speaking on TV discussing the benefits of care, not knowing he'd already killed dozens of patients

A case from May 1997, when eight-year-old Jamie Lavis was on the Manchester bus Darren Vickers was driving just prior to his disappeance. Vickers joined the hunt and spoke on television - but was hiding an awful truth. Bones from Jamie's torso were eventually found hidden in bushes on a golf course five months later, and evidence led detectives back to the driver

A case in which a paramedic and mother was found dead, covered in paint, in the basement of her Massachusetts home. Investigators had to work tirelessly for 18 months to find the person responsible

The case of 18-year-old Heidi Allen, who vanished from her job in a convenience store. Two brothers were arrested for kidnapping, but years later a chilling new story emerged

Buying goods from the comfort of home

Buying goods from the comfort of home

Buying goods from the comfort of home

Buying goods from the comfort of home

Relatives of serial killer Jo Dennehy reveal how her shocking crimes impacted the family. Were there any signs of her murderous intentions

Relatives of serial killer Robert Maudsley reveal how his shocking crimes impacted the family. Were there any signs of his murderous intentions

Relatives of Steve Wright, the so-called Suffolk Strangler, reveal how his shocking crimes impacted the family. Were there any signs of his murderous intentions?

Relatives of serial killer Bobby Joe Long reveal how his shocking crimes impacted the family. Were there any signs of his murderous intentions

The murders of a teenage boy, who never returned home from school, and a teenage girl apparently ambushed as she sat in a car with friends. It is every parent's worst nightmare - who would kill two innocent teenagers?

A case in which a newly engaged woman was discovered dead on New Year's Day. Investigators brushed her death off as suicide, but her family were convinced foul play was involved

Police were stumped when two young adults were found dead weeks apart. Disturbing text messages and contradictory statements suggested they were murdered

Two young women, dreaming of big success as television anchors and just embarking on their careers, whose plans came to a violent end. They were murdered in their own apartments and there were no signs of forced entry

The case of Gwen Bailey, who thought she had found the man of her dreams. However, by the time she realised she didn't know him at all, she had already become his unwitting accomplice

The case of Shelly Lietz, who had been afraid of her son ever since he was four years old. She knew she saw something evil in his eyes that scared her and as he got older and more violent, that fear crippled her, eventually making her a prisoner in her own home