Investigation Discovery +1 Monday

When a Homecoming Queen and a Dairy Princess are murdered in Marathon County, Wisconsin, detectives question a pool of suspects, from strangers to frenemies

Buying goods from home

Buying goods from home

Buying goods from home

Buying goods from home

Investigators deal with puzzling clues and odd witness accounts when trying to solve a 1987 murder. Will lost evidence be the key to identifying the killer

The fatal stabbing of a college student, found in her bed. Detectives immediately found the murder weapon and an eyewitness, but the case stalled

A young mother of four, who disappeared with only her car left behind. When a massive search was undertaken, one of the people looking for her turned into a suspect

In June 2003, a five-year-old girl vanished while walking to a friend's house. As police investigated, they realised the community was hiding some disturbing secrets

The case of a husband whose dark past reared its ugly head and ended in a double murder

When a dancer was shot dead in her home, detectives tried to figure out who had a motive to kill her. A cigarette found at the scene was thought to be a clue

A case in which a mother went missing from her home. Suspicion moved from one admirer to another, but a surprise confession seemed set to solve the mystery

A case in which two members of a prominent family were murdered in Arkansas. A teenage boy was arrested and admitted responsibility, though doubts remained as to his guilt

A case in which a woman entered into an affair with her daughter's grandfather, causing a major rift in the family and eventually leading to a bloody Texas showdown

Julie Bowling was a respected cancer therapist and funeral home worker. When she was murdered, the focus turned to her husband's secret life and shaky finances

The case of Dena Raley-McCluskey, who disappeared in 1999. After eight years of searching, California police believed they had found her body and the man responsible for her death

Jam Master Jay, best known as Run-DMC's DJ, was killed in his recording studio. An exclusive interview with an eyewitness sheds light on this decades-old cold case

A hopeful soap opera star shines in the background - but her rise crashes instantly because someone doesn't want to see her succeed

A man tries to fool a TV show into awarding him money. Three years later, he kills his partner then calmly lays a trail of false leads. Experts uncover the truth

The case of Paralympian Oscar Pistorius, who shot his girlfriend Reeva Steenkamp dead in 2013. He claimed it was an accident, but there were suspicions he was falsifying evidence

When 31-year-old Ashley Young doesn't call her mum for days, her family and friends fear the worst. A 911 call triggers a gruesome basement discovery

The so-called Jenner Beach murders of August 2004, in which a young couple was shot to death as they slept on a California beach

In 1992, a college student disappeared after her car broke down on a main road. Police were stumped when her body was found 500 miles from where she vanished

Julie Bowling was a respected cancer therapist and funeral home worker. When she was murdered, the focus turned to her husband's secret life and shaky finances

The case of Dena Raley-McCluskey, who disappeared in 1999. After eight years of searching, California police believed they had found her body and the man responsible for her death

Jam Master Jay, best known as Run-DMC's DJ, was killed in his recording studio. An exclusive interview with an eyewitness sheds light on this decades-old cold case

A hopeful soap opera star shines in the background - but her rise crashes instantly because someone doesn't want to see her succeed