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Veteran journalist Paula Zahn steps out of the studio and into the field to unravel criminal investigations, tracking the drama of each story by featuring the opinions of those closest to the case, including law enforcement officials, the families of the victims and the incarcerated, lawyers from both sides, and first-time TV interviews with convicted murderers.
A woman is found dead on the side of a road. Police retrace her final steps and learn she was last seen being followed by a man in a cowboy hat.
A health care aide's murder shakes her community to the core and police soon realise they've uncovered the trail of a monster.
A hiker takes a photo of vultures circling remains. He only realises when showing his wife the following day that the remains are human.
Police fear the worst when a boy vanishes. It soon becomes clear that the case has links to a killer who has left a trail of bloodshed across the region.
A girl's runaway note raises tough questions for police. Has someone pieced together writing from her journals to cover up an unthinkable crime?
Terror in Terre Haute: A college student is abducted which marks the start of a terrifying crime wave on a quiet campus. Can police catch the serial predator before he strikes again?
A girl disappears and her body is discovered after a nine-day search. As police race to track down her killer, the community rallies together to get justice for Angie.
A burned out car and a blood-stained bedroom reveal the murder of a community pillar. Will it be the smallest of clues that lead police to her heartless killer?
A young woman's disappearance marks the beginning of a heartbreaking murder mystery. Will a clue discovered by a child be the key to catching his mother's killer? (S11, ep 25)
The abduction of a young mother from a crowded hospital parking lot marks the beginning of a terrifying mystery that will torment her loved ones for decades. (S11, ep 26)
When a teenager is found savagely stabbed to death in her home, police hope a trail of blood at the crime scene will lead them to her killer. (S11, ep 27)
New. Gone in a Blink: A teenager waiting for a ride home from work suddenly disappears. When her friends arrive, they find terrifying evidence of her abduction. (S11, ep 28)
Police are tasked with unravelling a puzzling mystery after a beloved father and real estate executive is ambushed in his office. (S11, ep 29)
Should investigators fail to discover the crack in their suspect's seemingly air-tight alibi, a cold-blooded killer will elude justice. (S11, ep 30)
After a teenager mysteriously disappears, police must determine if a secret meeting with a young man played a part in her murder. (S11, ep 31)
"Precious" Jane Doe: After a young woman is viciously murdered, police launch a two-part investigation, one to find her killer and a second to identify his victim. (S11, ep 32)