Kill Switch

Hey Dateline fans, here's a special preview of the next episode of Dateline: Missing in America Season 5. In “No Ordinary Sunday,” Josh Mankiewicz reports on the disappearance of 28-year-old Marilyn “Niqui” McCown, who vanished in Richmond, Indiana, on July 22, 2001, just weeks b ...  Show more

In Massachusetts, Lindsay Clancy is on trial for allegedly murdering her three children. Her family and former colleagues testify for the defense. In New York, Luigi Mangione pleads guilty to federal stalking charges in the killing of UnitedHealthcare CEO Brian Thompson, while hi ...  Show more

When a hit-and-run boating accident caused the death of a popular young man, investigators faced the the daunting task of searching for one boat among 1,200 others. They asked anyone who had seen the accident to come forward. The man who responded did much more than witness the c ...  Show more

When a hit-and-run boating accident caused the death of a popular young man, investigators faced the daunting task of searching for one boat among 1,200 others. They asked anyone who had seen the accident to come forward. The man who responded did much more than witness the crash ...  Show more

A family vacation turns into a nightmare when the wife is found face-down in the lake. There are no witnesses and little conclusive evidence to help police determine if they're dealing with a suicide, an accident, or something more sinister... until a forensic pathologist uses a ...  Show more

When a beloved wife and mother of three falls to her death inside a Michigan national park in 2006, authorities immediately begin looking at her husband. His changing stories and scandalous secrets seal his fate, but the couple’s children remain convinced their father is an in ...