Officials Believe They've Found Gabby Petito's Remains; Fiancé Missing

Watch VideoAuthorities said a body discovered in northern Wyoming was believed to be that of a 22-year-old woman who disappeared while on a cross-country trek. Her fiance is now the subject of an intense search in a Florida nature preserve.

The FBI said the body of Gabrielle "Gabby" Petito was found Sunday by law enforcement...