A killer was on the loose… The full story tonight at 9/8c on a Dateline Weekend Mystery on NBC. | Dateline NBC

It was a plot so sinister, so stunning, it took even seasoned detectives by surprise… Tonight at 9/8c on a classic Dateline Weekend Mystery on NBC. | Dateline NBC

2.2M views · 18K reactions | 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 | Facebook

All Sharon ever wanted was a daughter, but then… Tonight on an all-new Dateline at 10/9c. | Dateline NBC

583K views · 7.6K reactions | The mystery of who killed Anita was only just beginning… Her story tonight at 9/8c on an all-new Dateline with Blayne Alexander. | Dateline NBC | Facebook