laundrie approaches its fourth week no police activity visible friday at the carlton nature reserve. meanwhile new details of emerging about the period after laundrie returned home in petraeus s white van without gaby petito on september 1st and before laundrie left his parent s home on september 13th. north port police revealing they were watching laundrie before he left but limited in what they could do because he had not been charged with a crime. if you talk to a lot of people with experience in law enforcement, he goes walking in a nature reserve. he s not wanted for a crime. do we go tree to tree following him to the woods. it wasn t there with the information we had in this case. reporter: people pet s remains were found in wyoming on september 19th. coroner ruling it a homicide.