When a young couple goes missing in Eureka, Utah, detectives from neighbouring counties work together to track down their killer and, with the help of a highly trained dive team, recover their bodies in an abandoned mineshaft.

The disappearance of a 17-year-old girl leads detectives to an investigation spanning two decades; the case soon goes cold, but gets a renewed push after three women escape Ariel Castro's Cleveland house of horrors.

Pennsylvania State Troopers are tasked with a haunting murder investigation that takes more than a decade to solve after finding charred and decomposed human remains in the Poconos.

After police find a murder victim inside a Civil War crypt in a historic cemetery in Southwest Philadelphia, detectives from two counties navigate the evils of a notorious motorcycle club to try and solve the case.

Las Vegas Detectives find themselves on the hunt of their careers as they try to track down those responsible for the horrific murder of a young woman after her body turns up in a concrete and wooden box in the middle of the desert.

After a young Ohio man vanishes without a trace, detectives embark on an investigation involving a love triangle, drugs, and murder.