For the full story, watch “Poison Twist” on Peacock now. You can also watch on the NBC app or listen on our podcast . After ...

The correspondents at NBC’s Dateline are true crime savants, expertly getting to the bottom of the most chilling and ...

Deep Space Nine, helped catch a Hollywood predator by outsmarting him and claimed to have coaxed a confession.

This week's new episode of Dateline explores the double murders of Karen Harkness and her fiance, Mike Sisco. On July 7, 2002, the couple was found dead in the basement by her parents.