Investigate the carefully planned schemes of murderers and potential killers which fell apart, ultimately leading to justice being served.
In the late 1970s, young nurse Debra Clarke is found beaten and shot to death in her home in Coral Gables, Florida, shaking the local community to its core. (S1, ep 1)
Hoffman-O'Brien: In 1982, a popular New Jersey cheerleader is abducted and stabbed to death. The case takes an unexpected turn when another woman is murdered just 10 days later. (S1, ep 2)
When newly married Carmina Anderson is found shot dead in 1973, suspicions lead to her overbearing husband until the coroner's inquest rules the death an accident. (S1, ep 3)
When the murder of a woman in her home spawns numerous other horrific killings in Elkridge, Maryland, brutalised mannequins in the area prove key in solving the case. (S1, ep 4)
A multi-millionaire is shot dead in his own bed and a shocking confession implicates a mastermind pulling the strings from the shadows. (S1, ep 5)
In the rural town of Fayette, Maine, Ted Flagg returns to his newly purchased home only to find his wife Judith stabbed to death. Investigators race to find answers. (S1, ep 6)
In the small town of Ozark, Alabama, Tracy Harris' body is found dumped in the local river. Detectives put in the hard yards to uncover the truth and solve the case. (S1, ep 7)
Lavine-Smith: Engaged couple Kimberley Lavine and Edward Smith head out on a road trip in 1985, but are later found murdered and dumped in the wilderness by an unknown assailant. (S1, ep 8)
After young mother Debbie Masters Baker is found brutally beaten to death in her home near Austin, Texas, police struggle for nearly 20 years to identify the killer. (S1, ep 9)
An aspiring model's dismembered body is discovered in a lake after she is reported missing. Detectives work to solve the case and deliver justice. (S1, ep 10)
In a remote town in rural Texas in 2001, Pamela Shelley decides to leave her toxic relationship behind and is later mortally wounded by a gunshot to the head. (S1, ep 11)
Steller-King: When Patricia Steller and her nephew Ronald King are murdered in their quaint Connecticut home, police struggle to piece together the remnants of the crime scene. (S1, ep 12)
Jessee: When cancer-ridden Jack Jessee is brutally stabbed and killed in his quaint California home in 1998, police strive to uncover the motive behind this sickening crime. (S1, ep 13)