“It was horrible. Worst thing I've ever seen.” The full story, tonight on an all-new 2-hour Dateline mystery at 9/8c on NBC. | Dateline NBC

The sun was barely up when the girl called 911… The full story tonight on a classic Dateline Weekend Mystery at 9/8c. | Dateline NBC

A murder. A love triangle. An elusive killer. Sounds like Friday’s all-new 2-hour Dateline mystery at 9/8c with Andrea Canning… | Dateline NBC

She heard screaming. She didn’t realize it was coming from her… Keith Morrison has the story tonight on a classic Dateline Weekend Mystery at 9/8c. | Dateline NBC

The longer the chief medical examiner looked at the photos, the more something bothered him… Tune in tonight at 9/8c for a classic Dateline Weekend Mystery with Keith Morrison on NBC. | Dateline NBC