lori packs up her kids and starts a new life in rexburg, idaho, where chad daybell lives.rother alex would move >> within seven days of lori moving to rexburg, she takes a trip to yellowstone park with tylee, j.j., and her brother alex. authorities say no one ever saw tylee again after that very last photo with alex and j.j. >> j.j. would later be seen by house guests of lori, but two weeks later, he too went missing. >> reporter: meanwhile, chad is still married to his wife tammy, a school librarian. facebook photos show chad and tammy as a happy couple. >> chad sends lori this ominous text message. every few weeks, i get to escape and have amazing adventures with my goddess lover, but then i have to return to my place under the stairs, feeling trapped. but i sense permanent freedom is coming. >> reporter: in october 2019, tammy dies in her sleep. originally her death was not seen as suspicious, but authorities later open an investigation. >> everything was happening so fast. in july, charles vallow died. by september, j.j. and tylee were missing. mid-october, tammy daybe