Investigators walked into a mystery that would turn their world upside down… Watch tonight at 9/8c on a 2-hour Dateline Weekend Mystery on NBC. | Dateline NBC

There was something ominous in the air… Watch tonight on a Dateline Weekend Mystery at 9/8c. | Dateline NBC

“He said, ‘Well, you’ll know what to tell Dateline if I die mysteriously.’” Curious… The full story airs Friday at 9/8c on an all-new 2-hour episode with Keith Morrison. | Dateline NBC

The mystery of what happened to Jay Lee would haunt an entire community, and reveal a most unlikely suspect… Watch tonight at 9/8c on an all-new 2-hour Dateline with Blayne Alexander. | Dateline NBC