CELLPHONE TIMELINE TWIST: The Laundrie family attorney tells HLN that Brian Laundrie did buy a new phone in a Florida ATT Store, but he bought it on Sept. 4. Not Sept. 14. He says the FBI collected that phone during their search of the Laundrie home. | HLN

YOU asked: How could Brian Laundrie's remains have deteriorated so quickly? We put that to Forensics Expert Joseph Scott Morgan who says a lot of that decomposition can be attributed to the heat and humidity in that part of Florida. | HLN

John Walsh and a panel experts weigh in on the latest developments in the Gabby Petito homicide, tonight 9/8c on ID. | Investigation Discovery