TV Guide Oxygen Tuesday

A local antique shop owner is killed in a seemingly random home invasion, but North Carolina police believe there is more than meets the eye.

The most shocking and unpredictable cases carried out by unsuspecting grandmas across the country, who turn to murder as a means to get what they want.

Tiffanie Adams was eight months pregnant when she suddenly disappeared; to solve the mystery, police must expose toxic relationships and deadly secrets.

A man in Kentucky gets convicted of murdering his co-worker, and the mystery is considered solved until a disclosure years later turns things upside down.

A murder case that was considered closed by North Dakota detectives gets reopened after a confidential informant comes forward with a tip about a suspect.

A popular high school student gets found murdered in her bed, and two students decide to work with the police to help solve the case.

A long-hidden secret is uncovered in a close-knit town when detectives investigate who viciously murdered a couple and their special-needs son in New Mexico.

Detectives focus their investigation on a murdered woman's strained relationships with family, but a dark secret leads to a killer no one expected.

After a devout religious couple are murdered, detectives begin to uncover dark family secrets as their investigation leads them to an unexpected suspect.

A family running a vet clinic is gunned down, leading investigators to question unhappy tenants, a pet owner with an agenda and an estranged son.

A divided family suspects there is a murderer among them when a man's body is found in a quarry pond and the identity of the killer remains a mystery for years.

Investigators uncover a deep-seated dispute between a couple of stepsons and their surrogate father when a body is found in the wreckage of a rural inferno.

Investigators uncover a family that will do whatever it takes to get what they want after two women are shot to death in the lobby of a busy courthouse.

Investigators uncover an alarming conspiracy between a drug dealer, a lawyer and a family member when a young father is found murdered execution style.

As they investigate a missing person case, detectives discover that a once beloved brother seems to have pilfered money from their family's business.

After five teens at a bonfire are attacked by three shotgun-wielding brothers, the sole survivor helps detectives as they attempt to track the assailants.

When a young woman convinces her valedictorian brother into committing murder, their family's American dream becomes a nightmare.

After a grudge between a District Attorney and a local student turns deadly, investigators work tirelessly for decades to bring four brothers to justice.

The remains of a well-to-do California family are discovered in their Fresno mansion, and police wrongfully surmise that they caught a burglar by surprise.

Law enforcement officials embark upon the most intense and thorough manhunts in U.S. history when the chairman of the Coors Brewing Company is kidnapped.

Law enforcement officials exploring the murder of a respected businessman are unable to ascertain whether or not the crime was a robbery gone wrong.

Law enforcement officials turn to forensic hypnosis in order to obtain the information needed to create a composite sketch of the suspect.

A teenager returns home to find his father's lifeless body; detectives suspect that the motive was robbery, but further investigation is required.

A medical examiner is unable to discern the cause of death when a politician dies during a particularly contentious reelection campaign.

Police detectives attempt to solve a murder case with a significant lack of quality evidence, including a squashed tomato and a photograph.

A missing teacher's bankcard's used, but not by her, and Texas homicide investigators hope that a shoe lace taken from the victim's home may lead to her killer.

DNA evidence produced a decade after the slaying of Mia Zapata, the lead singer for Seattle punk band the Gits, allowed to police to solve the 1993 murder.

Forensic scientists are assisted by a geology professor in their attempts to analyze dirt evidence related to a fellow university instructor who went missing.

A look at the case of Georgia dentist Barton Corbin recalls how he confessed to killing his wife and girlfriend and making their deaths look like suicides.

Police suspect that a younger co-worker's unrequited love led to a motive for the murder of a woman who was gunned down in her own driveway.

Forensic specialists investigating the case of a woman who was murdered on the beach uncover key evidence in the form of a pair of men's athletic shoes.

A 13-year old girl's missing from her CO home, and the only clue to the kidnapper's identity is three prints on a screen; two years later, a breakthrough.

Investigators suspect a killing is the result of a robbery; as new evidence surfaces, detectives develop a theory, and only a voice from the grave can prove it.

18 years into her prison sentence, Coty Martinez opens up about the multistate killing spree that landed her behind bars claiming to have been a victim herself.

A man begins to receive disturbing texts from a woman after they begin a casual relationship, so the authorities investigate the situation.

A man begins to receive disturbing texts from a woman after they begin a casual relationship, so the authorities investigate the situation.

A mother of two who vanished during a storm ends up becoming a victim of something sinister.