A civic-minded teen is shot to death in his own bed, but just as investigators are closing in on those responsible, a twist leaves everyone stunned.

When a 98-year-old widow is found dead in her entryway closet, a chilling discovery leads investigators to a killer in the community who harbors a dark secret.

When a beloved elderly woman is viciously murdered, detectives discover a chilling connection to another unsolved murder. The trail points to someone from her past and investigators race to hunt the killer down before they can strike again.

After a respected educator and mother of two is found dead in small-town Alabama, the investigation focuses on fraught family relationships, but the discovery of a dark secret unveils a killer no one saw coming.

When a young mother is found dead in a field after a night out, police scour security video to retrace a suspect's steps; the discovery of a second crime scene leads to an arrest, before high-tech forensics reveal a truth no one expected.

Police in small town Louisiana investigate the mysterious and brutal murder of a beloved neighbor with no known enemies.

After a 35-year-old analyst for the NSA is fatally stabbed, police look at a number of suspects; detectives close in on the killer, but the investigation takes a shocking turn.

A beautiful young woman is killed in her own bedroom and the evidence appears to point a clear suspect, but police soon discover not everything is as it seems. It takes 30 years and stunning new evidence to reveal a killer hiding in plain sight.

A glamorous 85-year-old millionaire is found stabbed in her basement, sending police on an international investigation that unearths devilish secrets, double lives and a killer no one saw coming whose tricks wouldn't stop even after their arrest.

A restaurant is robbed and the night manager murdered leading police to investigate suspicious coworkers, a disgruntled ex-employee and a violent serial attacker. The case goes cold, but explosive new evidence leads to a killer nobody suspected.

A beloved teacher and mother of four silently vanishes in the middle of the night. A blood-soaked bedroom and horrific lakeside discovery point police to a killer close to home until mysterious tracks in the mud lead to a culprit no one suspected

When a trusting, young college student is viciously murdered and her apartment set ablaze, police untangle a web of relationships to find a killer who’s dangerously close to home.

A wealthy businessman and his closest friend are found shot execution-style; police have little to go on until a surprising development leads investigators to a killer no one ever suspected.

When a recently divorced mother is found strangled to death on her couch, several suspects emerge until the killer is revealed to be someone close to home.

A recently retired woman is found murdered, and detectives struggle with a lack of evidence and try to track down a long list of suspects.

A divorced mother of three is savagely stabbed to death while recovering from major surgery, but police are frustrated by a lack of evidence. After turning cold, the case is reignited by a startling admission that finally leads police to the killer.

When a young woman who was just starting out in life is found assaulted and stabbed to death in her boyfriend’s home, detectives work tirelessly to uncover a killer who had previously been above suspicion, leaving the town and police force stunned.

Police hunting the killer of a beloved grandfather believe his missing truck holds the key to the case. After hunting down suspect after suspect, local PD found a killer close to home, wielding a shocking kill weapon in a story of sickening betrayal.

A loving, single mother of two is the victim of a bizarre murder, leading detectives to investigate a number of suspects, until a killer with a dark obsession hiding in plain sight is revealed.

A hard-working young woman is discovered stabbed at the side of a road, leading police on a tireless investigation for 10 years to unveil a killer who is hiding in plain sight.

A beloved resident of a tight-knit Nebraska town is murdered, leading detectives to look at a wide range of suspects before the trail leads to a killer who lives among them.

A vibrant young mother of three is murdered in the safety of her own home and investigators look to a history of troubled romances, but when the case goes cold and police can't find the killer, a phone call leads to a culprit hiding in plain sight.

When a devoted mother vanishes from home, a series of grisly roadside discoveries take police on a hunt for a killer; detectives follow a path of greed and desperation until a shocking twist leads to a culprit with a bizarre motive.

When a suburban mom is murdered in her own home, investigators chase down an elusive killer that no one saw coming.

A beloved couple and their special needs son are savagely murdered in rural New Mexico, leading detectives to uncover long buried secrets in a tight-knit town.