On The Case schedule

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A deadly predator haunts the city of Stockton, California and becomes more and more violent.

A cloud of smoke leads two truckers to a shocking discovery; the smoldering remains of a teenage girl.

When a teenage girl is found murdered after a night out with friend, Police must retrace her final steps to find her killer.

A young woman is ambushed and murdered in Utah's Big Cottonwood Canyon.

A man and his girlfriend are attacked by a mysterious intruder in their home. Despite near fatal wounds, she survives and helps investigators solve the crime.

A family of three is murdered and investigators must take on one of their own in order to find justice.

When a young girl vanishes on the way home from school, her family and police are sent on a tormenting search for answers.

An 18-year-old woman never returns home after a night out with friends, and the police come up against a wall of silence that keeps them from uncovering the truth.

Two boys witness the brutal murder of their mother, and their story may bring her cold-blooded killer to justice 30 years later.

A young woman riding her bicycle is forced off the road and savagely murdered. Police chase her killer for decades until an overlooked clue ultimately leads to justice.

A hidden clue may hold the key to solving the vicious murder of a young woman.

A 12-year-old girl is kidnapped during a home invasion, and police frantically search for her and her abductor. Paula Zahn explores the case.

Paula Zahn investigates the story of a Las Vegas starlet who mysteriously vanished during a visit to a local spy store.

Fifty-year-old mother of three Marilou Johnson disappears from the home of her boyfriend, Roger Blanchard, a wealthy retired businessman, then it becomes clear Johnson has met with foul play.

A Young mother is kidnapped out of her driveway after a birthday celebration... Did a string of good luck, lead to her disappearance.

After a young woman disappears from her mountain home, it looks like the case will never be solved. Then, a retired FBI profiler joins the cold case team and jump starts a 13 year old investigation.

A cold-case detective reopens a decades-old murder case and promises to get justice on behalf of the victim's family.

When a pregnant mother of two is found shot to death in her fire-ravaged home, police find there are more suspects than clues.

After a father discovers his 23 year old daughter murdered in her bed, a dedicated investigator spends more than 30 years chasing her killer.

When an innocent couple is murdered execution style in the Arizona desert it marks the beginning of a 50 year search for the truth. Who really killed them and why? After decades of investigation the controversial case remains shrouded in mystery

Police must unravel a puzzling mystery when a beloved father and real estate executive is ambushed in his office.

A beautiful young woman is viciously murdered just 24 hours after she was engaged to be married.

A devoted mother returns home from work and finds her 17-year-old daughter has been murdered. Was her killer the mysterious boyfriend she had written about in her journal?

When a young girl goes missing from her university campus, her mother is forced to lead an investigation for the truth. Can she find her precious daughter before it's too late?

After a single mother is viciously attacked and left for dead, she still manages to help police track down her assailant.

Paula takes a look at the disturbing disappearance case of a teenager who vanished without a trace from a cinema car park.

A military police officer is found murdered in her own home, sending police on a twisted journey for answers.

After finding his beautiful 19 year old daughter dead, a father launches a relentless pursuit of her killer.

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