An extraordinary journey through the criminal justice system was just beginning... The full story tonight at 9/8c on a Dateline Weekend Mystery. | Dateline NBC

Monday came and went, but still no word from Liz... The full story tonight on a Dateline Weekend Mystery at 9/8c. | 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

Tonight on a new Dateline, the latest chapter in this hair-raising tale, featuring new evidence, explosive testimony and the prosecution's new star witness. Watch at 9/8c on NBC. | Dateline NBC