Lori Vallow murder trial day 9: Melanie Gibb, former best friend of 'Doomsday mom,' testifies

Melanie Gibb took the stand Thursday an described how Lori Vallow's religious beliefs eventually led her to her future husband, Chad Daybell. Gibb said Lori and Chad spoke often, even while the two were still married to other people. Lori's previous husband, Charles, was killed by her brother.