The confirmation is in. The human remains found in Florida's Carlton Reserve is the body of fugitive Brian Laundrie, the person of interest in the murder of Gabby Petito. The Laundrie family attorney says his clients are grieving. Brian Laundrie reportedly told his parents that he was going hiking in the Carlton Reserve. That was September 13th. He had not been seen since. The FBI confirming that dental comparisons were used to make the identification. Death scene investigator Joseph Scott Morgan walks us through the process of how an identification is made.