Investigation Discovery +1 Wednesday

A respected police officer shot on his way home from work. Plus, a young man found dead in his bed. In both cases, police had to determine what had happened to these men

Buying goods from home

Buying goods from home

Buying goods from home

Buying goods from home

The fatal shooting of Heather Garraus in January 2007. Her husband's former lover, Shawna Nelson, was later convicted of the crime

The case of Sharon Nelson, who lusted after love, sex and money. When she set her sights on a handsome and married doctor, she carved a devastating path filled with dead bodies

A case in which the father of two youngsters married a wealthy family friend, found later to be leading a bizarre life of crime

The case of Sandra Berfield, who after suffering years of harassment from co-worker Steven Caruso saw him jailed for violating a restraining order. Released, Caruso sought revenge

The case of Leesa Nascimento, who died after being shot in the head. A recently sacked co-worker was traced after evidence was found that tied him to the murder

A video blogger, who suffered a break-in during which the intruders tied her up, kidnapped her husband and executed him

The case of Beverly Thompson, who was found bludgeoned to death in her own home. Detectives remained puzzled until CCTV footage revealed someone was lying

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

A case in which a young woman vanished from a New Mexico store. After, a second woman disappeared, police sensed they were in a race against time to stop a potential serial killer

A case in which an entrepreneur was fatally gunned down in his warehouse. Detectives examined his disgruntled employees and his mistress in search of the killer

The death of Mary Yoder, who was poisoned by Kaitlyn Conley, the embittered ex-girlfriend of her son Adam

A romantic date at a high school Valentine's dance turns into a night of terror when a beautiful teenager is abducted from her boyfriend's arms at gunpoint

An unidentified woman is found murdered in an off-campus apartment. Police have no leads on the case until her terrified neighbour shares a chilling story

A parking lot showdown terrifies onlookers. A fender-bender leads a motorist on an epic chase. An aggressive driver uses an unusual weapon on her victim

An off-duty police officer pulls a gun on another motorist. A machete-wielding man attacks a delivery driver, and an SUV nearly runs down a cyclist

Terrifying crimes caught on camera, from a chilling home invasion to a pizzeria robbery, are made worse by a weird commonality: the suspects are all naked

An armed stand-off with police, a joyride in a stolen ATV, a bold break-in, and a high-speed chase in a stolen truck - four brazen acts, all in the nude

When Jeff Silvernail finds his partner dead at home, it appears a burglary gone wrong. But police soon uncover it is, in fact, the ultimate betrayal

A gun store robbery that ignited a federal investigation into arson, violence and murder. It wasn't long before detectives came face to face with an unlikely killer

A case in which a college student went missing on spring break. The investigation took a grisly turn into a world of drug smuggling, the occult, and human sacrifice

A case in which an entrepreneur was fatally gunned down in his warehouse. Detectives examined his disgruntled employees and his mistress in search of the killer

The death of Mary Yoder, who was poisoned by Kaitlyn Conley, the embittered ex-girlfriend of her son Adam

A romantic date at a high school Valentine's dance turns into a night of terror when a beautiful teenager is abducted from her boyfriend's arms at gunpoint

An unidentified woman is found murdered in an off-campus apartment. Police have no leads on the case until her terrified neighbour shares a chilling story