Man just looking at the timeline...
August 27 was probably the last contact Petito had with her parents
August 29 two separate people whos stories corroborated, said they gave Laundrie rides in the area
September 1 Laundrie shows up in North Port that morning, 2,400 miles or 35 hours of driving away
September 4 the Laundrie lawyer says Brian bought a cell phone on this date, not Sept 14th
September 6 the Laundrie's all go camping together
September 11 Petito reported missing. Laundries do not talk to authorities
September 13 Laundrie presumably goes to the park, where he is ultimately found (was previously told Sept 14, but parents later said they mis-remembered the 14th date)
September 14 Laundrie supposedly seen at an AT&T store buying a cell phone
September 15 the Laundries retrieve a note on the Ford Mustang according to their lawyer
September 16 the Laundries supposedly pick up the Mustang from the Carlton Reserve, according to their lawyer. Someone driving by posted a video of the car in the driveway the 15th
September 17 The Laundries finally tell police their son is missing, 4 days after he left
September 18 Authorities begin searching Carlton Reserve
September 19 Petito's remains are found
October 20 Laundrie's remains are found