Investigation Discovery · Running

On the Case with Paula Zahn

Drama, Action, Crime · 2009 · Rated 7.1/10

Last aired: S29 E12, A Personal Mission · 2026-07-08

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 On the Case with Paula Zahn.

Cast

Paula Zahn Host

Season 29

E1 Edge of the Abyss 2026-04-15 · 60 min After a young woman vanishes on her way to work, police desperately follow a trail of videotaped clues they hope will solve a complex mystery; the evidence found inside her car could be the key to solving the brazen abduction.

E2 Layers of Betrayal 2026-04-22 · 60 min A gunman shoots a hero fireman dead in his own driveway. Police focus their investigation on the unusual firearm used to commit the crime and an odd trail of clues left behind by the victim himself.

E3 Caught in a Trap 2026-04-29 · 60 min Recreational hunters find the body of a female naval veteran in a rural campground, leaving police to answer challenging questions. How had the victim gotten there? Why was she drugged, and who wanted her dead?

E4 Unseen Danger 2026-05-06 · 60 min Police watch the disturbing video of a young woman closing up after her shift at a gas station convenience store. Everything seems normal until, in one moment, she is there and, in the next, she is gone, never to be seen again.

E5 Through the Smoke 2026-05-13 · 60 min A young woman's plans for a romantic Valentine's Day end in murder.

E6 Who Killed Katelyn? 2026-05-20 · 60 min A grim discovery turns a missing persons case into a murder investigation.

E7 Unmasking the Truth 2026-05-27 · 60 min A killer guns down a businessman during a brazen home invasion. The puzzling evidence seems to indicate the crime was well planned and highly calculated. Police explore a variety of motives before they unmask the mastermind behind the attack.

E8 Two Fires, One Match 2026-06-03 · 60 min The discovery of a woman's body, burned beyond recognition, marks the start of a disturbing murder investigation. An autopsy reveals the killer stabbed the victim in a sexually motivated attack. Will a similar second crime be the key to solving both?

E9 Elusive Justice 2026-06-17 · 60 min When police find the lifeless body of a young mother, her husband becomes the prime suspect. However, when an in-depth investigation against him stalls, it raised a critical question: Had police been focused on the wrong man all along?

E10 Moving Target 2026-06-24 · 60 min Someone ambushes and kills a loving husband near his new office. A surveillance camera captures the clearly targeted attack. Each clue that investigators find leads to the next, until the pieces of a complex puzzle expose the callous motive for the crime.

E11 Irreparable Loss 2026-07-01 · 60 min Police are in a race against time to find a young girl who mysteriously vanished on her way to school. The clues all seem to point to a clear suspect. However, will the speed of the investigation only deepen the tragedy?

E12 A Personal Mission 2026-07-08 · 60 min Police struggle to solve the heartbreaking murder of a talented young woman, but it will take years to realize that the clue to unlock the mystery is hidden within the crime scene evidence.

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