Lori Vallow sits down with Dateline NBC’s Keith Morrison for her first television interview. Vallow was sentenced to life in prison for murdering her two children, Tylee and JJ. She has also pleaded ...

The mother, who is serving multiple life sentences, and her husband, who was sentenced to death, were found guilty in the ...

NBC Dateline's Keith Morrison aired an interview with Lori Vallow Daybell on Friday, March 7. Here's what you need to know to ...

Correspondent Keith Morrison has the first-ever television interview with Lori Vallow, the convicted killer known as “Mommy Doomsday,” who is sentenced to life without parole for the ...

"Mommy Doomsday" repeatedly attacks the veteran correspondent during her first prison interview: "Are you keeping track Keith? I thought we were gonna be friends, Keith!" ...

"Deadly Entanglement," the latest episode of "Dateline," follows the murder of 30-year-old middle school art teacher Desiree ...

Dateline continues to deliver exclusive access to some of the most talked-about true crime stories. From the case of Nicholas ...