There was love and laughter in this once-happy home. But not everything was as it seemed... Watch tonight at 9/8c on an all-new Dateline on NBC. | Dateline NBC

Andrea Canning never expected she would cover a Dateline in her own backyard… An all-new 2-hour mystery airs tonight at 9/8c on NBC. | Dateline NBC

"I said, 'I just want you to know that you will spend the rest of your life paying for this.’" Tune in tonight at 9/8c for an all-new 2-hour Dateline mystery with Andrea Canning on NBC. | Dateline NBC

“You realize, he hasn’t watched enough of Dateline, 'cause he screwed up in so many ways.” Tune in tonight at 9/8c on an all-new 2-hour mystery with Andrea Canning on NBC. | Dateline NBC