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

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.

John Naughten, who was in his 50s, was a brother of former Fine Gael minister and now independent TD Denis Naughten ...

Find out more about what happened to Texas mom Mary Ann Murphy, found dead after her teen daughter Keri Murphy dialed police ...

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 ...

In the summer of 2012, a tragedy struck the city of Humble, Texas, when the brutally murdered body of Mary Ann Murphy was ...

Loved ones remember Mary Ann as a loving mom to all.

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

Twelve years ago, investigators unlocked a world that led to the mind of a young girl who plotted to kill her mother in their ...