The Unusual Suspect Dateline segment on NBC delves into the investigations of two heinous crimes that were committed in ...

Watch the full episode “The Devil’s in the Details” on Peacock now. When you’re done with the episode, you can watch ...

After a beloved teacher is found murdered in her home on New York’s Staten Island, investigators uncover cracks in her ...

It all started with a panicked phone call, followed by a web of lies that ultimately ended in a shocking discovery.

The case of the 2007 murder of 18-year-old college student Anita Knutson in North Dakota is explored in an all-new two-hour ...

College student Anita Knutson is found stabbed to death. The case took years and the unwavering commitment of loved ones and ...

NBC Dateline's upcoming true crime story tells a tale of dark secrets and the tragic death of Simeonette Mapes-Crupi in July 2012.

To find out what happened, watch the full episode “The Pin at Apartment 210” on Peacock now. When you’re done with the ...

A West Virginia pharmacist is left widowed after her husband suddenly dies, and troubling details emerge regarding the couple ...

After Tahereh Ghassemi disappears from the Louisiana home she shares with her adult son, detectives discover an astonishing plot with international implications. Andrea Canning reports Saturday, May 3 ...