Gabby Petito update: New info revealed about when Brian Laundrie was last seen

As the search for Gabby Petito's fiance Brian Laundrie continues, Steven Bertolino, the Laundrie family attorney has given new information about when Laundrie left the family home. ?The Laundries were basing the date Brian left on their recollection of certain events. Upon further communication with the FBI and confirmation of the Mustang being at the Laundrie residence on Wednesday September 15, we now believe the day Brian left to hike in the preserve was Monday September 13.?