In March 2020, a family on the Northern Cheyenne reservation in Lamedier Montana got shocking news about their loved one.

Christy wouldn't die.

My daughter came and notified me that Christy was run over.

And I said, it should be okay. And she's like, no, she died. I was like, what?

Missing justice from CBS News takes you inside what really happened that night,

and the federal investigation that followed.

Listen to Missing Justice from CBS News on Amazon Music or wherever you get your podcasts.

This case elicit such an anger.

These were two beautiful kids.

Tyley and J.J.

J.J.

Say hi.

Who were brutally murdered?

Happy.

Who would do something like this? And why would they do it?

A grand jury just indicted a mom and her husband on murder charges for the deaths of her two

children who were found buried in the stepdad.

Laurie Valodaybell and her new husband Chad Daybell have been called the Doomsday Couple.

Monsters, murderers.

The penalty for the most serious charges range from life in prison to the death penalty.

Prosecutors claim the couple used their belief in Doomsday scenarios to justify the killings.

Everything that's happening, it eats at the soul a bit.

...