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

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.

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

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.