She was their 22-year-old girl, traveling across the country with her fiancé. But she never made it home. Three years after her murder, Gabby Petito’s family share their memories while looking at photos of the aspiring vlogger and new details about the case: “We’re lucky we have so many pictures of her.” Watch our newest 20/20 ‘Gabby Petito: Her Parents Speak Out’ full episode with EvaPilgrim - tonight (Feb. 21st) at 9/8c on ABC. Stream tomorrow on Hulu. #GabbyPetito