volumes. i believe they know probably if not everything they know most of the information. i would love to just face to face ask why are you doing this? just tell me the truth. just want to get him in a cell for rest of his life. >> we want vengeance, and him to be -- and justice. >> reporter: and cnn did reach out to the family attorney for the laundrie family to ask about gabby petito's mom's comments that brian's parents may know more than they're sharing and the lawyer told us no comment. and one other note, brianna, about that moab body cam tape that we saw, we have seen it over and over again after that police stop on august 12th in moab, utah, somebody had called 911 reporting they saw a man slapping a woman, and they were in a white van. you see gabby petito crying, visibly upset in that body cam video. well, her mother was asked about what it was like to watch that