Double Lives

In Massachusetts, a jury is deliberating the fate of Lindsay Clancy, a mother who says she was suffering from postpartum psychosis when she killed her three children. After California fire captain Rebecca Marodi was stabbed to death by her wife, Yolanda, investigators uncovered Y ... Show More

In part two of this special edition of Talking Dateline, NBC News’ Ellison Barber, host of the Netflix podcast “Allegedly," sits down with Josh Mankiewicz at Caesars Palace in Las Vegas, for CrimeCon 2026. Josh tells Ellison what it’s like interviewing families who have gone thro ... Show More

When 21-year-old college student Helene Pruszynski is found murdered, the case remains cold for nearly forty years until a new detective uses an innovative method to catch Helene’s killer. Josh Mankiewicz reports. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for ... Show More

On this special behind-the-scenes episode of Crime Beat, Global news senior crime reporter Nancy Hixt gives you an exclusive look at specialized investigative tactics often used to push cases forward – from someone who knows what it’s like to lead a double life. Contact: Twitter: ... Show More

The community of Grand Junction, Colorado is shocked and devastated to learn that soccer mom, Paige Birgfeld, has been living a double-life as an escort when she goes missing in 2008. Investigators begin looking for clues that may lead them to Paige’s whereabouts and in the proce ... 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

After a mother of two vanishes on Mother’s Day, bizarre clues emerge — a chipmunk alibi, a tranquilizer gun and a spy pen. "48 Hours" correspondent Peter Van Sant reports. 

A mother of five disappears. A look inside the conspiracy to kill her. "48 Hours" correspondent Erin Moriarty reports.