The new season begins with an investigation into the murder of a teenage girl, a crime that occurred back in 1985.

Just days before Christmas, a woman in Georgia was found murdered.

The investigation has been reopened into a murder that occurred in 1988 in Sunset Beach, California.

The circumstances surrounding the 1992 fatal shooting of a Maryland businessman are under investigation.

The investigation into a series of rapes plaguing St. Louis during the 1990s has been revived, marking a renewed effort to solve this long-dormant cold case.

A decades-old mystery resurfaces: the investigation into the murder of a San Diego postal worker, a crime that occurred in 1972.

In 1992, an inquiry was launched into the killing of a church deacon.

The circumstances surrounding the 1992 killing of a Las Vegas woman are under scrutiny.

The investigation centered on a devastating 1997 quadruple homicide that occurred in Bartow, Florida.

Driven by relentless grief, a mother’s unwavering quest for justice in her son’s death unexpectedly guides investigators toward a vital piece of evidence.

A man who once served as a Marine has vanished from his house.

In the middle of a bright afternoon, a hotel manager was attacked and drenched with acid.

In 2005, a fortune teller and her daughter were victims of a violent crime, their lives tragically cut short. The investigation, however, uncovered a crucial chain of documents that ultimately pointed toward the perpetrator.