Season 10

Police engage in a massive manhunt to find a killer on a murder spree of revenge, taking the lives of his girlfriend, cousin, and a man he considers a father figure. Once captured, he proclaims that he simply wants to be "heard."

Authorities grow concerned when a 25-year-old woman reports her 50-year-old father and 6-year-old daughter missing. Police discover their dead bodies and uncover the shocking truth she is a psychotic killer.

For over three decades, Albuquerque police struggle to solve three violent cold cases. After years of searching, the cases break wide open when officers pick up a man on a probation violation. and he soon reveals himself to be a homicidal psychopath.

Pensacola Police are called to the Corner Store when a killer guns down a young man in a brazen public execution in the parking lot. Police track down their suspect and find a cold-blooded psychopath without remorse.

When a young mother goes missing, her husband joins the search while police discover her dismembered body in a stack of bins.

A vehicle plows down a 75-year-old military veteran on a country road in an apparent hit-and-run. When a young man confesses to the crime, detectives quickly learn they've encountered a psychopath with an intense desire to thrill kill.

Detectives reveal an unrepentant psychopath capable of executing the love of his life.

Investigators unveil the execution of a loving family, done by a callous psychopathic killer.