The Thing About Helen & Olga

The disappearance of two of Lori Vallow’s children in Rexburg, Idaho in September 2019 would expose a bizarre trail of death, devotion and Doomsday beliefs that captivated the nation… A haunting podcast from Keith Morrison and Dateline NBC. Listen to all episodes of Mommy Doomsday now completely free, or subscribe to Dateline Premium to listen ad-free: DatelinePremium.com

A rising young director is shooting a frightening film about a serial killer in a hockey mask. But when a man goes missing near the set, a real-life horror story unfolds. Keith Morrison’s latest Dateline original podcast series takes us into a mysterious netherworld of illusion, fantasy, deception and death. Follow The Man in the Black Mask now and get two new episodes a week, starting October 15 -- completely free. Or subscribe to Dateline Premium now, for early access and ad-free listening.

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 husband dead. If only she could find someone “man enough” to do the deed... Listen to all episodes of The Seduction now completely free, or subscribe to Dateline Premium to listen ad-free: DatelinePremium.com

Current and classic episodes, featuring compelling true-crime mysteries, powerful documentaries and in-depth investigations. Follow now to get the latest episodes of Dateline NBC completely free, or subscribe to Dateline Premium for ad-free listening and exclusive bonus content: DatelinePremium.com

How did a man who claims he had 13 alibi witnesses get convicted of murder and serve 20 years in prison? In this original series from Dateline NBC, producer Dan Slepian chronicles the case of Richard Rosario, who was convicted of a 1996 murder in New York City. Rosario has always insisted that he is innocent, and that 13 alibi witnesses will swear he was a thousand miles away in Florida while the crime was happening in New York. Ride along in real time as Slepian spends two years digging deep into Rosario’s case in a quest for the truth. Listen to all episodes of 13 Alibis now completely free, or subscribe to Dateline Premium to listen ad-free: DatelinePremium.com

It happened on a frigid winter night. First, a sudden moment of terror. Then, a frantic search to find a costumed killer. “Internal Affairs,” Dateline’s next original podcast series, takes us to northern Colorado, and into an obsessive and deadly romantic affair. Reported by Josh Mankiewicz, it’s a story about bad choices, a fatal attraction and men and women who proudly wore badges at work--while living lies at home. And when the day of reckoning came, the people with the badges had to investigate their own. Listen to all episodes of Internal Affairs now completely free, or subscribe to Dateline Premium to listen ad-free: DatelinePremium.com