John O'Keefe's ex-girlfriend, Lindsay Higgins, shares how she and Karen Read became friends after John’s death.

NBC's "Dateline" takes a look back at the 2012 murder of a mother in Humble in what they describe as a "dangerous romance" ...

Dateline episode Down The Rabbit Hole has reportedly explored the murder of Mary Ann Murphy in her Texas home at midnight of July 16, 2012.

To find out what happened, watch “Down the Rabbit Hole” on Peacock now. You can also watch on the NBC app or listen to it on ...

NBC's "Dateline" revisits the 2012 murder of Mary Ann Murphy, orchestrated by her daughter and her girlfriend in Houston.

TORONTO (AP) — AP source: Canada expels six Indian diplomats after police link Indian agents to violent crimes.

CAPE CANAVERAL, Fla. (AP) — NASA spacecraft launches on a 5 1/2-year journey to Jupiter's moon Europa.

A chilling mystery unfolds in a two-hour "Dateline" episode as a terrified teen calls 911 reporting the screams of her mother ...