Brian Laundrie, Gabby Petito’s boyfriend who refused to speak to authorities about her whereabouts, is now also missing after becoming a person of interest in Petito’s missing person case. SUBSCRIBE to GMA's YouTube page: https://bit.ly/2Zq0dU5 VISIT GMA's homepage: https://www.goodmorningamerica.com SIGN UP to get the daily GMA Wake-Up Newsletter: https://gma.abc/2Vzcd5j FOLLOW GMA: TikTok: https://tiktok.com/@gma Facebook: https://facebook.com/GoodMorningAmerica Twitter: https://twitter.com/gma Instagram: https://instagram.com/GoodMorningAmerica #GMA #BrianLaundrie #GabbyPetito #Authorities #MissingPerson #Hiding #PersonOfInterest