Two Utah girls were found safe Monday three months after they were allegedly kidnapped by their “doomsday prepper” dad -- who reportedly betrothed his daughters to a cult leader. An Amber Alert was canceled Monday when authorities found Hattie Briella Coltharp, 4, and Dinah Elizabeth Coltharp, 8, outside Lund, FOX13 Salt Lake City reported. Authorities initiated the alert when they received a tip and arrested Samuel Warren Shaffer, 34, who calls himself the prophet of a polygamous sect named “Knights of the Crystal Blade.” The children’s father, John Coltharp, is a member of the sect. Authorities raided a suspected sect...