Dateline NBC returns tonight with “Deadly Swagger,” examining the Dan Serafini murder case. Find out how to stream the episode for free if you can't watch on cable or DISH.

The Murdaugh murders have been subject to many speculations in the the true crime realm. Here's what is streaming about the Alex Murdaugh case.

To find out what happened, watch the full episode “A Window of Time,” available now on Peacock. You can also watch on the NBC app or listen to the full episode on our podcast. Then watch Tara’s ...

A mother in Pennsylvania disappears after co-workers see her leaving for lunch. Josh Mankiewicz reports Saturday, May 16 at 9 ...

“Dateline NBC” correspondent Blayne Alexander leads an investigation tonight into the mysterious death of Dr. Steven Schwartz, a respected kidney specialist found murdered in his mansion in Florida ...