Something evil made its way into the Preers’ peaceful neighborhood that morning. But what? Watch it all unfold tonight on an all-new 2-hour Dateline on NBC at 9/8c. | Dateline NBC

Mystery DNA. Two relentless detectives. A shocking takedown. Friday on an all-new Dateline at 9/8c on NBC. | Dateline NBC

Friday at 9/8c on an all-new Dateline... | Dateline NBC

A get-away so perfect, it left investigators stumped for decades... Friday on an all-new Dateline at 9/8c on NBC. | Dateline NBC

On this week’s Dateline: True Crime Weekly, Blayne Alexander takes us to Florida for some updates in cases we’ve been following for years. Listen now, for free, wherever you get your podcasts. | Dateline NBC

It’s a race against the clock in Lester Holt’s new original Dateline podcast, The Last Appeal. Follow now and listen to the first episode today, for free, wherever you get your podcasts. | Dateline NBC