The Mystery Man

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

A single mom looking for love vanishes without a trace. Foul play is tragically confirmed when a large pickup truck toolbox opens to her body stuffed inside. Homicide detectives investigate men she matched on dating sites, another man she met at work, and finally, a lover with a ...  Show more

A young woman vanishes. Eerie surveillance video captures a man in a hat. Investigators learn the two are linked by a secret. “48 Hours” contributor Natalie Morales reports. This episode originally aired on April 8, 2023. 

It’s a twisted love story that unspools like a film noir, where lust and obsession lead to murder and a classic double cross. This original series from Dateline’s Keith Morrison takes us into the troubled mind of a young man, and the cold heart of a woman who needed her husban ...

In Atlanta, a woman is found murdered. The suspect? An employee of a hostile Embassy, responsible for monitoring secret communications. He's also a spy, recruited by the FBI. Now he's on the run, and the pressure is on for the Bureau to bring him in - before his own side take him ...  Show more