TV Guide Investigation Discovery Thursday

The murder of 16-year-old Bristol student Becky Watts. When she vanished in February 2015, suspicion fell on her step-brother Nathan Matthews and his partner Shauna Hoare. Experts analyse police interviews for the clues that proved compelling

When April Barber was murdered at a remote Florida beauty spot, her husband Justin said he tried to stop the killer and even appealed for help on television. Experts analyse the deception in his words and deeds of August 2002

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

A case from January 1996, when on the morning after the Super Bowl final, a campus worker at Tustin High School in Orange County, California discovered the body of 24-year-old Thien Minh Ly on the tennis court

In 2004, 27-year-old Jarrod Davidson is shot dead outside his apartment. Next to him is a suspicious potted plant. Who killed him?

The most perplexing murder cases to land on detectives' desks, featuring the methodology used to reveal the identities of the most ingenious killers. This instalment focuses on the disappearance of an oil executive from the front of his New Jersey home. Police feared a medical emergency until a ransom note arrived from an eco-terrorist organisation

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

The hunt for the killer of a person whose body was found on the banks of the river in Dunlap, Tennessee. Detectives pieced together the unknown man's final moments to find the culprit