FBI Denver Provides Final Investigative Update on Gabrielle Petito Case — FBI Federal Bureau of InvestigationBrian Laundrie's Notebook Confession Reveals He Murdered Fiancée Gabby Petito | PEOPLE PeopleGabby Petito case: FBI closes homicide investigation as it reveals Brian Laundrie's notebook confession Fox NewsFBI: Brian Laundrie claimed responsibility for Gabby Petito's death CNNGabby Petito's family says FBI evidence leaves 'no doubt' that her fiancé Brian Laundrie 'murdered' her Yahoo!