A deceased female's brutally beaten and sexually assaulted body turns up in Farmington, New Mexico. With an unidentified victim and plenty of suspects, detectives struggle with one of the most challenging "whodunits" of their career.

Columbus, GA, police are blindsided by a triple homicide that rocks the foundation of this small community just south of Atlanta. An unlikely source provides investigators with the lead they need, resulting in a series of shocking arrests.

The community in Bozeman, Montana, is rocked when officers find Lauren DeWise deceased and her roommate, Ashley Van Hemert, critically injured. As police search for clues, they realize that they must dive deep into Lauren's life to find her killer.

Robert Sharp is a retired professor living in Ann Arbor, Michigan, and the last person anyone would expect to be murdered. But when he turns up brutally stabbed and burned, Robert's final moments make police wonder who could have done this and why.

The Sheriff's Office in Virginia's Isle of Wight County discovers a double homicide involving an 80-year-old disabled grandmother. An undercover informant, a hidden handgun, and an unusual confession all lead to convictions in this cold-blooded crime.

Kiana Marshall, her brother Corey, and their friend Alexis are murdered. Now, bodycam and CCTV capture the hunt for their insane killer. Twisted tales lead detectives on a wild goose chase, but the killers are revealed and must face the consequences.

A dismembered torso turns up in a Florida forest, and the discovery launches detectives across the US to search for answers. With only a tattoo found on the victim, investigators must solve this horrific mystery before the killer is gone for good.

Apache County Sheriff's Office begins a double homicide investigation after the gruesome discovery of an elderly couple's remains in Sanders, AZ. A statewide hunt for the perpetrator challenges veteran investigators resulting in an unusual arrest.

Ahmad Shad Laster’s loved ones are grief-stricken when he is shot outside a friend’s home; Flagler County, FL, detectives uncover evidence that blows the case wide open, but the hunt for justice tests family bonds and reveals shocking secrets