“It’s a nightmare. And it goes on, it doesn’t stop.” Friday on an all-new Dateline at 10/9c on NBC. | Dateline NBC

"He had written in blood, ‘I love you,’ on the mirror.” Tune in tonight at 10/9c for an all-new Dateline on NBC. | Dateline NBC

Friday at 10/9c on an all-new Dateline... | Dateline NBC

After that big nor’easter, Sandra hadn’t shown up for work. Where was she? Her story tonight at 10/9c on an all-new Dateline mystery. | Dateline NBC