Led by Emmy Award-winning journalist Paula Zahn, ON THE CASE features in-depth interviews and original reporting that go beyond the headlines in search of fascinating mysteries from within our nation's justice system. Each episode is highlighted by Zahn's riveting exclusive interviews, which draw out different viewpoints from the people personally connected to tragedies that rocked their local community and the investigations that attempted to piece together the truth.
A hidden clue may hold the key to solving the vicious murder of a young woman.
Police have DNA evidence and a videotape of their suspect, yet they still struggle to find a vicious killer.
A teenager's shocking murder shatters the peace in a small town and destroys her family.
A look at three cases where the quest for justice didn't end with the jury's verdict.
The murder of a young woman in a busy parking lot is investigated.
The disappearance of a young woman who was about to launch a Hollywood career is investigated.
A 36-year-old woman is savagely murdered while her 7-year-old niece is asleep in the next room.
After a young girl mysteriously disappears, her family and the police undergo a tormenting journey to find a lead.
The police follow a trail of emails, hoping it will lead them to a vicious killer.
A teenager is murdered the night before her college career was about to begin.
When a teenager is found savagely murdered, police must retrace her last steps alive to identify her killer.
A military police officer is found murdered in her own home, sending police on a twisted journey for answers.
A deadly predator stalks prey in Stockton, California.
A mother of three is found shot to death just steps from her home.
Award-winning journalist Paula Zahn goes beyond the headlines in search of fascinating mysteries from within America's justice system. She begins with a 50-year-old murder case in which a couple were found dead in the Arizona desert - but after decades of investigations and two trials, this controversial case still remains shrouded in mystery
The murder of young mother Rhonda Boggs, stabbed to death in her Ohio kitchen in April 2002. The incident was all the more harrowing as it was witnessed by the victim's two-year-old daughter. A man confessed to the crime, but his admission was found to be unstable, and attention switched to another suspect
A mother of four is stabbed to death in her bathroom.
A deadly home invasion leaves a father of three dead, while the victim's wife survives as the only eyewitness.
When a young woman's car is found abandoned, it begins a 23-year mystery.
A killer's own words may hold the key to solving the case of a man and his wife found murdered in their home.
Reeda Roundy and Betty Gray are found murdered in Roundy's home, along with a message written in blood, saying ``Satan Loves You;'' detectives piece together the stunning truth behind the murders with insights provided by the victims' families.
John Greathouse finds his stepdaughter, Kelli Bailey, murdered in her bedroom; investigators find a video tape and a dead man's forged check and hope these clues will be the keys to bringing Bailey's cold-blooded killer to justice.
In Las Vegas, 41-year-old Nancy Menke, a mother of four, is found handcuffed and murdered in the passenger seat of her car; a records clerk in the insurance fraud unit stumbles upon a strange report that blows open Menke's murder case.
A successful car salesman is killed in a hail of gunfire that erupts on his front porch.
When a young woman and her 6-month-old child disappear off the quiet streets of Deerfield Beach, Fla., it is the beginning of a terrifying murder mystery.
A convenience store worker is abducted from behind the counter in the middle of the night, becoming the first of three women to disappear from their small town under shockingly similar circumstances.
The body of a teenager is found savagely murdered just steps from her home; when the investigation stalls, police are approached by a brave young woman who is willing to risk her own safety to get justice.
When a beautiful young woman is murdered the evidence points detectives to a killer hiding in plain sight.
A young mother's mysterious disappearance is the start of one of Memphis' most notorious criminal investigations.
A 15-year-old girl vanishes in the middle of the night. Would a friend's terrifying secret be the key to solving the mystery?
A 25-year-old aspiring model vanishes and the only clue police have is her empty car found in a nearby cemetery parking lot.
A mother of five is found murdered in her bedroom. Will a grainy videotape reveal the identity of her killer?
A teenager's valiant dying act helps police solve the terrifying mystery behind her murder.
A 13 year old girl is found strangled to death on a river bank. Will the bed sheet she was wrapped in be the key to solving the crime?
A young woman runs out to buy salad dressing and never returns. Can police provide her fiancé and family with answers to a tragic mystery?
The investigation into Sandra Iverson's stabbing death goes cold until a police canine team uncovers a trail leading them to an unlikely young suspect.
Police follow a trail of broken cornstalks and blood to the body of a beautiful young girl.
A 14-year-old girl is discovered murdered at an empty campground, located more than 50 miles from where she was last sighted.
Nineteen-year-old Shelley Sikes vanishes one night after her shift, then her abandoned, blood-streaked car is discovered on a dark roadway.
The discovery of a young woman's body floating in the Yakima River leads to a heartbreaking mystery.
Racing to find a young woman who has vanished on her way to work, police uncover a trail of unspeakable evil.
A father of four is gunned down during a vicious attack, but as police investigate the murder, they discover that nothing about the crime is what it appears to be.
A Las Vegas starlet mysteriously vanishes during a visit to a local spy store.
Will law enforcement ever catch a sexual sadist whose crimes have tormented the state of California for decades?
A young woman is murdered inside the video game store she managed by a mysterious intruder.
When a teenager vanishes during a visit to her hometown, it becomes the beginning of a terrifying 30-year mystery.
A mother of three disappears from the home of her wealthy older boyfriend.
A young girl's killer sends police a series of mysterious riddles and the key to catching him are hidden within the answers.
After missing newlyweds are found murdered, family members and friends point fingers at each other, leading investigators to believe someone close to the victims is responsible for their deaths.
Patti Berry disappears on the way to pick up her child at the babysitter's, then her body is found in a secluded wooded area not far from her abandoned blood-soaked car.
The body of a young woman is found in the ashes of a fire.