Gabby Petito and her fiancé, Brian Laundrie, were pulled over by Moab, Utah police on August 12, 2021, after reports of an altercation between the two were called in to authorities. The encounter was captured by the officer’s bodycam video. Scott Rouse, a body language expert, author, and member of “The Behavior Panel,” who holds multiple certificates in advance interrogating training and has been trained alongside the FBI, Secret Service, U.S. Military Intelligence and Department of Defense, joins Dr. Phil on Wednesday’s episode, "'Van Life' to Vanished: Inside Gabby Petito's Disappearance and Death." In the video above, he analyzes Laundrie’s behavior during his interaction with authorities. Hear where he believes it takes a turn. On Wednesday, Dr. Phil speaks with TV host Nancy Grace, a former law enforcement officer and FBI defense tactics instructor, and a criminal defense attorney, who also weigh in on the unusual circumstances. Check local listings to see where you can tune in. WATCH: Gabby Petito’s Friend Speaking To Reporter Claims Brian Laundrie Had History Of Being Jealous, Controlling TELL DR. PHIL YOUR STORY: Have a story in the news?