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When 19-year-old college student Christa Sallani goes missing, police fear the worst. Investigators are in the dark until a key witness breaks the case widen open.

Nancy Klinger tells her friends that she has the chance of a lifetime. Soon after, she goes missing. It will take police nearly 30 years to solve this mystery.

Barry Shipp, a well-loved Pensacola barber, is gunned down in broad daylight in his shop. Will DNA left at the scene hold the answer to the murder mystery.

After grandmother Irene Kennedy is found dead in a park, her family is split apart when a distant relative is charged with her murder.

When a tip from a missing persons' network helps identify the body of a John Doe murder victim, investigators' questioning unravels a dark tale of betrayal.

In North Port, Florida, police get a call that a young mother has vanished from her home. A trail of incoming 911 calls leads officers on a hunt for her abductor.

A man climbs onto the hood of a school bus. A menacing man harasses a father and his son. A disgruntled driver shoots at another motorist.

A group of drivers brawl in a Texas intersection. A man attacks a motorist. A driver gets into an intense exchange with construction workers.

In Florida, a gas station robbery quickly turns into a manhunt and leaves an officer fighting for his life. Plus, officers deal with a hostage situation in Colorado.

When a young man turns up burned beyond recognition, Alabama detective Kevin Palmer soon discovers a devious plot to lure the victim to his death.

After the murder and dismemberment of two North Carolina women, Agent Nick Deming must get to the bottom of a shockingly twisted revenge scheme.

A man believes he's carried out the perfect murder, but he forgets one tiny detail. How did science trap the man who thought he'd got away with it.

When 19-year-old college student Christa Sallani goes missing, police fear the worst. Investigators are in the dark until a key witness breaks the case widen open.

Nancy Klinger tells her friends that she has the chance of a lifetime. Soon after, she goes missing. It will take police nearly 30 years to solve this mystery.

When a tip from a missing persons' network helps identify the body of a John Doe murder victim, investigators' questioning unravels a dark tale of betrayal.

In North Port, Florida, police get a call that a young mother has vanished from her home. A trail of incoming 911 calls leads officers on a hunt for her abductor.

When 19-year-old college student Christa Sallani goes missing, police fear the worst. Investigators are in the dark until a key witness breaks the case widen open.

Nancy Klinger tells her friends that she has the chance of a lifetime. Soon after, she goes missing. It will take police nearly 30 years to solve this mystery.

Barry Shipp, a well-loved Pensacola barber, is gunned down in broad daylight in his shop. Will DNA left at the scene hold the answer to the murder mystery.

After grandmother Irene Kennedy is found dead in a park, her family is split apart when a distant relative is charged with her murder.

When a tip from a missing persons' network helps identify the body of a John Doe murder victim, investigators' questioning unravels a dark tale of betrayal.

In 1991, a seemingly close-knit family is destroyed by a series of brutal killings by one of their own. What could have caused this murderous betrayal.

In 2018, Steve Clayton died in unusual circumstances. His body was found at the bottom of the stairs and the autopsy showed signs of poisoning.

The abduction and murder of a young schoolteacher shocks a New England town. Veteran investigator Robert Cushing is appalled by the depravity of the killer's plan.

On Chincoteague Island, a young mother is murdered steps from a vacant summer home. Det. Danny Plott learns she was lured to her death by a mysterious phone call.

In Pennsylvania, the body of a computer programmer is found submerged in a bathtub. Leads are scarce until detectives uncover a series of troubling voicemails.

A former mayor of an Ohio town turns up dead in his hunting cabin. Detective Ryan Allar explores whether this is political retaliation or something more personal.

Just after moving with his girlfriend, Daniel Ott is shot dead by an intruder. A stunning coincidence leads to one of the USA's the most dangerous criminal rings.

When Randy Scheffield's family finds him dead in his bed, they suspect a heart attack. But police uncover a murder conspiracy that will shatter this small town.

After a sheriff in Georgia wins election on an anti-corruption ticket, he abuses his position for money, sexual favours and deadly vengeance.

An assailant shoots a Kentucky mechanic and drag racer at his home, and detectives quickly target his live-in girlfriend as their first suspect.

We All Go A Little Mad. Police find a family dead, a horror film still playing, a bloody mask nearby - and a letter addressed to the woman who voiced 'The Exorcist' demon.

A chase through a Florida town ends with a shock for pursuing deputies. Officers put themselves in danger to pursue a burning car in Illinois.

Officers chase down two suspects with an assault rifle who are intent on shooting their way out. A terrifying pursuit results in multiple casualties.

The abduction and murder of a young schoolteacher shocks a New England town. Veteran investigator Robert Cushing is appalled by the depravity of the killer's plan.

On Chincoteague Island, a young mother is murdered steps from a vacant summer home. Det. Danny Plott learns she was lured to her death by a mysterious phone call.

Just after moving with his girlfriend, Daniel Ott is shot dead by an intruder. A stunning coincidence leads to one of the USA's the most dangerous criminal rings.

When Randy Scheffield's family finds him dead in his bed, they suspect a heart attack. But police uncover a murder conspiracy that will shatter this small town.

The abduction and murder of a young schoolteacher shocks a New England town. Veteran investigator Robert Cushing is appalled by the depravity of the killer's plan.

On Chincoteague Island, a young mother is murdered steps from a vacant summer home. Det. Danny Plott learns she was lured to her death by a mysterious phone call.

In Pennsylvania, the body of a computer programmer is found submerged in a bathtub. Leads are scarce until detectives uncover a series of troubling voicemails.

A former mayor of an Ohio town turns up dead in his hunting cabin. Detective Ryan Allar explores whether this is political retaliation or something more personal.

Just after moving with his girlfriend, Daniel Ott is shot dead by an intruder. A stunning coincidence leads to one of the USA's the most dangerous criminal rings.

In December 2001, 20-year-old Dustin Wehde was brutally shot dead in his neighbour's house. What happened to cause this tragic event in Iowa.

In 1997, 78-year-old Jean Schwarzkopf was murdered in Florida. The retiree's husband owned a jewellery business, was she murdered for her diamonds.

A mother forces her boyfriend to go to the police about his role in an insurance fraud scheme. However, this good deed will soon lead to her family's destruction.

The brutal murder of a legal secretary leaves police with few clues to follow. Then, a co-worker's alibi falls apart to reveal a callous conspiracy of greed.

When a newly-retired schoolteacher vanishes, his daughter fears the worst. But the mysterious events that follow reveal a world of deception and double identity.

When 30-year old Katrina Smith, a loving wife and step-mother goes missing, the search for her reveals that her once perfect life had come apart at the seams.

Christmas will never be the same for the Oklahoma residents whose dog drops a human skull onto their porch. Police must navigate the victim's past to find the truth.

Tray Phelps, a beloved father, son and fiancé is found beaten to death in his own driveway. When his killers are revealed, it shocks the small town.

A mother watches darkness take over her son. Still, nothing prepares her for the day that darkness costs her not only her son, but her daughter, too.

Innocent. When a Minnesota woman dies after an arson attack on her home, Agent Fraik races to find the five-year-old girl she was babysitting.