Investigation Discovery TV Guide — Tuesday, 1 September 2026

When the two high school football coaches mysteriously vanish in 1976, a small Oklahoma town's racial tensions emerge, ending with a shocking twist

In Texas, a popular high school athlete is found murdered in her bedroom. Detectives learn she was hiding a secret that leads them to her killer

The case of millionaire Las Vegas real estate developer Ron Rudin, who was shot and decapitated in December 1994 by his wife Margaret and an accomplice

The case of film executive and former star UCLA basketball player Gavin Smith. After he went missing in May 2012, his family and detectives sought answers for over two years, until his body was discovered

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

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

The case of millionaire Las Vegas real estate developer Ron Rudin, who was shot and decapitated in December 1994 by his wife Margaret and an accomplice

The case of film executive and former star UCLA basketball player Gavin Smith. After he went missing in May 2012, his family and detectives sought answers for over two years, until his body was discovered

The case of Miami businessman Henry Diaz, who went missing the night before a family holiday. It transpired his business success had earned him many enemies - even among his own relatives

A Belgian honeymoon that came to a tragic end with a freak car accident. The investigation pointed to violence, deceit, and an international manhunt

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 in which a couple realised their son was hiding an evil secret. George and Margaret Keller were forced to make a heartbreaking choice whether or not to betray their child

When Cindy Taylor's father died suddenly, her world was shattered. Years later, she discovered his death was just one of the deadly secrets her mother had been hiding

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?