TV Guide Investigation Discovery Sunday

When a young teenager who is forbidden to date falls in love with a senior at her high school, the two go to extreme lengths to keep their relationship secret.

When a teenage girl with ambitions of becoming a police officer, falls for an NYPD officer, affairs of the heart are complicated by the letter of the law.

When a young woman, who is forbidden from dating, falls for a handsome stranger, she tries to keep her relationship hidden from her father and brother.

After a teenage girl is forbidden by her parents to date, she falls in love with an older man and they vow to keep their romance a secret at all costs.

Jenny and Mike were teen sweethearts, but after marrying, Mike begins a campaign of control and violence against his wife and children.

After Angie marries Joe, they have kids but soon Angie becomes isolated from her loved ones and trapped in a spiral of abuse that ends in a triple homicide.

When a teenage girl is found murdered after a night out with a friend, police must retrace her final steps in order to find her killer.

A daughter's quest to see her birth mother's murder solved is complicated when the police discover the prime suspect is unable to be found.

A mother disappears and a series of text messages from her phone lead police to believe she left on her own, but she may have been the victim of foul play.

A jeep swerves off a road and takes the life of a mother, but law enforcement arrives and discovers evidence that the accident wasn't the cause of her death.

Life is no longer a fairytale for childhood sweethearts Mike and Laurie Shaver. Fighting and infidelities lead to shattered vases and broken dreams.

In 2022, Austin police discover the body of 25-year-old up-and-coming cyclist Mo Wilson. Someone shot Mo execution style while she was visiting a friend.

Single mother, Jennifer Brown, vanishes from her Limerick home and detectives race against the clock to find her. Her 8-year-old son asks where his mother is.

Questions and accusations fly after savvy entrepreneur and mother of five, 52-year-old Dee Warner, vanishes from her rural Michigan home.

The body of a promising young radio host turns up on the side of the road in south Houston, and Detective Brian Harris arrives to determine who them dead.

A farmhand goes missing from a sprawling cattle ranch, but the case takes a sinister turn when his body shows up miles down the Coweeman river.

After a young mother goes missing on the streets of Washington, D.C., Detective Jackie Middleton must get to the bottom of a cold-blooded conspiracy.

Detective Dale Mason must navigate a tangled conspiracy and outwit a band of career criminals in order to catch the killer of a young entrepreneur.

After multiple homicides occur along Virginia's Colonial Parkway and investigators uncover a pattern at the crime scenes about the killer's method.

After multiple homicides occur along Virginia's Colonial Parkway and investigators uncover a pattern at the crime scenes about the killer's method.

Over 2 years, a killer shoots multiple people dead in Philadelphia, but the killer's identity and motive remain unclear. The FBI uncover a real-life John Wick.

In September 2019, Erica Thompson vanishes. Her phone pings across state lines, someone else has her car, and someone erases her home's security footage.

A small New England town reckons with its first murder in 34 years when an elderly woman is found in a bathtub, beaten to death, but with no motive or suspect.

In September 2019, Erica Thompson vanishes. Her phone pings across state lines, someone else has her car, and someone erases her home's security footage.

A small New England town reckons with its first murder in 34 years when an elderly woman is found in a bathtub, beaten to death, but with no motive or suspect.

Over 2 years, a killer shoots multiple people dead in Philadelphia, but the killer's identity and motive remain unclear. The FBI uncover a real-life John Wick.

A deranged man holds his wife and child hostage in an apartment complex, when he reports killing the wife, police have only minutes to save the child.

A man takes his wife hostage and negotiators plead with the suspect to let her go, but they have no idea that there is another plan going on inside the house.