Doomsday devotee and new husband charged in deaths of her kids and his ex

Lori Vallow Daybell and Chad Daybell are accused of conspiring to kill her two children and his previous wife.
The children's remains were found on Chad Daybell's property months after they went missing.
Tammy Daybell, Chad's ex, was found dead in her home shortly before Chad and Lori married, though her death was initially ruled natural
Prosecutors allege Lori and Chad shared unusual spiritual beliefs and tried to cast out evil spirits.
Relatives of the victims pushed police to investigate the disappearances and deaths.