Dateline

Dateline investigates a murder trial that became a nationwide spectacle. 

Keri Murphy, 16, called police to report a break-in at her family's Humble, Texas, home. Her mom Mary Ann Murphy was found murdered, leading to stunning revelations. 

Dateline correspondent Keith Morrison reports on a disturbing murder case. 

After a young father was murdered and a woman was stabbed to death in broad daylight, law enforcement had to determine whether the two crimes could be connected.

NBC News' Blayne Alexander has been named a Dateline NBC correspondent, joining anchor Lester Holt and correspondents Andrea Canning, Josh Mankiewicz, Keith Morrison, and Dennis Murphy.

Will there be a new mystery in store for Dateline fans this Friday? 

Find out when you can next catch an all-new episode of NBC's longstanding newsmagazine. 

Dave Markham knew something "did not feel right" when his 21-year-old daughter Katelyn Markham suddenly vanished in the summer of 2011. 

"None of it felt real," Aya Altantawi said of finding her mom, Nada Huranieh, dead on the patio of their sprawling Michigan home — and the shocker that came next.

Find out when Dateline returns with new episodes and when Season 33 premieres.