On The Case with Paula Zahn

Police struggle to find a vicious killer despite having DNA evidence and a videotape of the suspect.

A hidden clue could be the key to solving the vicious murder of a Massachusetts woman.

A teenage girl's abduction and murder leaves a small Kentucky town reeling. The investigation and its resolution shatters the close-knit community and ultimately destroys a loving family.

Many stories don't end when the jury delivers its verdict. Three amazing cases where the quest for justice rages on.

A woman is found murdered in a busy mall parking lot. Despite a treasure trove of evidence, detectives reach a crossroads in the investigation that could make solving the case a challenge they never imagined.

A young woman about to start a Hollywood career mysteriously disappears off Interstate 10.

A 36-year-old mother is savagely murdered while her seven-year-old niece is asleep in the next room.

A teenage girl is found murdered the night before her college dream is about to begin. The case remains a mystery until another beautiful teen is found dead a few miles away. The investigation leads police to a sadistic predator.

A woman suddenly disappears in Minnesota. Her husband claims she was involved with another man, and his theory is backed up by over 250 intimate emails. Investigators question if her online love affair turned deadly.

An Illinois family suffers a gut-wrenching journey through the justice system after their 10-year-old daughter is found savagely murdered.

When a teenager is found viciously murdered, police must retrace her last steps alive to identify her killer.

The discovery of a beautiful military police officer murdered in her own home sends police on a twisted journey for answers.

Police believe there may be a dangerous predator loose on the streets of Stockton, California, and with each attack it appears the perpetrator is growing more violent.

A 14-year-old girl is killed while walking her dog. When law enforcement analyzes her cell phone, it reveals a series of shocking and heartbreaking clues that ultimately lead investigators straight to her killer.

A loving mother of three is found mysteriously shot to death just steps from her home. There are few clues at the crime scene beyond a single bullet fragment and two unknown fingerprints. Will they be enough to find the killer?

When a young woman mysteriously disappears before her final shift at a Maryland hospital, her family begins a decades-long search for answers.

Police try to retrace a young mother's last-known movements in a desperate attempt to solve her mysterious disappearance.

Two women are found stabbed to death three days before Christmas. A third person, a male coworker, is wounded and claims an intruder attacked them. As investigators study the evidence, it looks like the crime scene was staged.

When an eight-year-old girl vanishes on the way home from school, her family and police are sent on a tormenting search for answers.

A 12-year-old girl is kidnapped following a brutal home invasion. Police race to find her and her abductor before its too late.