(NBC) — On Friday’s “Dateline,” the show examines the sudden disappearance of 12-year-old Jonelle Matthews, who mysteriously vanished from her Colorado home in 1984. Here is a preview of Dennis Murphy ...

(NBC) — On Friday’s “Dateline,” 17-year-old Alissa Turney is reported missing in Phoenix. It takes years before detectives treat her case as a homicide and a new investigation unearths dark family ...

(NBC News) — Friday on an all-new two-hour “Dateline,” a private investigator looking into a decade-old case about a mother of four who vanished uncovers clues that turn a town upside down. Here is a ...

The new episode of “Dateline: Secrets Uncovered,” airing on Wednesday, September 3, looks at the mystery of a missing persons case. For more than 30 years, “Dateline” has brought viewers ...

True crime fans will soon have some new mysteries to try to solve from their couches. New episodes of the popular newsmagazine, which offers the latest on the nation’s most shocking mysteries, will ...

(NBC) — Friday’s “Dateline” surrounds Jonathan Crews, who died mysteriously in his Texas apartment. The two-hour episode features interviews with Jonathan’s parents, jury foreman Eddie Brown, former ...

(NBC) — Friday on “Dateline,” the mysterious disappearance of newlywed Shannon Madill Burgess in Calgary, Alberta, Canada. Days after landing the biggest audition of her acting career, Shannon failed ...