Lori Vallow’s close friend Melanie Gibb, who has said that Vallow and her husband Chad Daybell asked her to lie to police after authorities first discovered Vallow’s two children, 17-year-old Tylee Ryan and 7-year-old Joshua “JJ” Vallow, were missing, now says she does not believe the children will be found alive. As CrimeOnline previously reported, …