“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

Tonight on a Dateline Weekend Mystery at 9/8c, Dennis Murphy has all the details on the murder that Cedar Rapids, Iowa never forgot... | 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

They spent decades searching for justice for Michelle, and then… Tonight at 9/8c on a Dateline Weekend Mystery on NBC. | Dateline NBC

It was a nightmare in the farmhouse… Watch tonight at 9/8c on an all-new 2-hour Dateline with Andrea Canning. | Dateline NBC

Kind, modest, attractive, and… a murder victim. Keith will tell you more tonight on a classic 2-hour Dateline at 9/8c on NBC. | Dateline NBC