This episode details the vicious series of killings and criminal proceedings known as the Vallow–Daybell doomsday murders. At the center of the case are Lori Vallow Daybell and Chad Daybell, a couple whose radical, apocalyptic religious beliefs served as a justification for the deaths of multiple family members. The victims included Lori’s children, Tylee Ryan and J.J. Vallow, as well as the couple's previous spouses, Charles Vallow and Tammy Daybell. Following a high-profile investigation that spanned from Idaho to Hawaii, authorities discovered the children's remains buried on Chad's property. Subsequent trials resulted in life sentences for Lori and a death sentence for Chad,  ...