Following a series of disputes with his colleagues, Tom Monfils vanishes without explanation while working at a Green Bay paper mill. The circumstances quickly suggest foul play, yet investigators find themselves met with an unsettling wall…

With four children, Becky Sue bravely ended her relationship with an abusive partner and resolved to begin anew by moving in with family. Yet, questions arose—and suspicions lingered—when she vanished unexpectedly just prior to a scheduled …

A young mother in Austin, Texas has vanished without a trace. While police suspect she might have simply decided to disappear, perhaps starting anew with someone else, Julie’s family harbors a deeper, more unsettling fear.

A brilliant graduate student, still reeling from heartbreak, finds herself unexpectedly charmed by a newcomer. Yet, as their connection deepens, unsettling truths emerge, suggesting that all is far from simple. [also marked as S4:E1]

Phoenix is gripped by a disturbing series of nighttime attacks, with evidence suggesting a serial assailant is targeting women within their own homes as they sleep.

In 1995, three members of a prosperous Taiwanese family residing in Virginia vanished without a trace. Whispers circulated that they had perished abroad, yet the detectives assigned to the case uncovered unsettling truths much nearer their …

The city was stunned by the brutal, execution-style murders of a respected psychiatrist and his son. With no immediate leads, police investigations stalled, and the case grew dormant. However, months later, an unusual connection emerged—a f…

The murder of Jamey Walker, a vibrant young woman whose promise seemed boundless, shook her community in the spring of 1981. Devastated by this loss, her mother, Eleanor, vowed to devote the remainder of her life to uncovering the truth and…

The disappearance of twelve-year-old Courtney LeBlanc plunges her family into despair, fueled by the shadow of a serial killer who has been haunting the area. As local authorities struggle to find answers, they call upon the FBI, and the en…

Barely a stone’s throw from her house, a fifteen-year-old girl was abducted, subjected to a vicious attack, and abandoned near death within Denver’s South Platte River.