Transcript for The All-New 20/20 Event Special | Friday at 9|8c on ABC
The story is incredibly dark desire crazy doomsday end of the war they were actively preparing for an end to she planned on surviving the end of the war yes. This is the story that Laurie evaluate different for your kids are everywhere else now that stunned the nation. How does a mother who loved her children duel 180 flight. It's very bizarre and made me. After four marriages she thought she fund found her true love. But how couldn't ever leave took this Chad was the author of these doomsday books police build their case and won't let her. To believe this she mentions to her friends that she thinks JJ. It's become a zombie he's. Watching TV while he's sitting still investigators say they have other witnesses who heard or you bellow referred to her children as young. They were no longer seen as human beings and that's when things really started getting weird. They actually. Like there currently. 1 morning you're going to wake up you you've got to look at yourself in the mirror and say oh my god what have I done on that day. Coming sooner than Laurie and Chad know. Staggering new details. Recorded conversations. Were who went through. Yeah. And in your views with him. Well I'm Janice Cox I'm Laurie counts month at an add up. What helped lead the police to them he saw some things on a computer again and what did you see. Ice. The new 20/20 offense special. Friday at 98 central on ABC.
This transcript has been automatically generated and may not be 100% accurate.