While They Were Sleeping

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

A wealthy couple is gunned down inside their home as they slept. Would the motive be money, sex, power, or none of the above? What police uncovered shocked them all.

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A husband is gunned down in a quiet neighborhood as he walks with his wife. A variety of communications would help solve the crime and bring to light a brutal, surprising plot.

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On an early June morning in 2012, a successful luxury car salesman slept soundly in his bed inside of his high rise apartment. The man was a heavy sleeper, so he didn’t wake up when someone walked into his room, walked across to his bed side, and then just stood there, standin ...

A young mother is killed in her bed, her toddler unharmed. Unsolved for 40 years, how the unusual crime scene helped close the case. "48 Hours" correspondent Erin Moriarty reports.