On a hot summer night in Springfield, Massachusetts, a seemingly routine traffic stop turns into a nightmare when officers unknowingly apprehend a serial killer and discover a torture chamber and several murdered women in a quaint suburban home.

In 2021, in a Norman, Oklahoma basement, police unwrap the gruesome contents of a suspicious box.

Police unlock a missing Michigan man's cell phone to discover clues to his whereabouts and find him hanging in a basement dungeon.

A killer brutally murders well-known community activist and member of the gay community, Dennis Dolinger, in the basement of his Washington, DC, home.

When 32-year-old Adam Chase goes missing, police comb the woods and fields of Ontario County, New York, but come up with nothing; it takes a months-long efforts of a private investigator to at last reveal the truth and Adam's terrifying fate.

A man vanishes from a small town, leaving behind a trail of strange clues that stumps detectives and leads his neighbours to believe that a deadly imposter is living among them; when his body is found, the truth is more shocking than anyone imagined.

In 1998, new homeowners renovating their basement, discover a body; as police investigate, they learn it belongs to teenager Christopher Denoyer, who was reported missing by his family in the 80's.

When friends find Brad McGarry shot to death in the basement of his Bellaire, Ohio home, evidence suggests a robbery; when detectives learn that Brad is an openly gay man working in the world of coal mining, a more complicated motive emerges.

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

In 1978, a shocking murder in broad daylight terrifies a small Illinois town; it goes unsolved for years, until an elite team of investigators uses cutting-edge technology to dig up new clues and lay a cunning trap to catch a killer.

In rural Pennsylvania, a young family discovers a mysterious skeleton buried in their basement. Archaeologists come in to identify the body, uncovering the truth about a decades-old missing persons case and a grisly family secret.

In Youngstown, Ohio, in 2017, an unsuspecting married couple discovers body parts in a mysterious locked freezer that someone has put in their basement, unlocking a harrowing mystery surrounding a missing woman and a tragic love triangle.

In June 2001, just outside Rockford, Illinois, a welfare check leads police to a woman brutally murdered in the basement of her once quiet suburban home; the hunt for her killer will lead detectives to a mystery that has been buried for over 14 years.

Philadelphia police officers find four adults locked in a filthy basement dungeon.