remains, where is brian laundrie? investigators are working to track down brian laundrie this morning, intensifying their efforts just days after authorities say they discovered a body that could be his fiance, gabby petito. the fbi is searching the florida home laundrie shares with his parents for hours. agents removing items, towing away this ford mustang, and seen escorting laundrie s parents back inside the house. we re looking for potential dna evidence, fiber evidence and, of course, maybe most importantly, any evidence with respect to something that would leave a digital footprint. hard drives, ipads, smartphones. reporter: petito vanishing last month while traveling with laundrie. i think our plan for today is to just hang out here in the tent. reporter: the couple posting their criss-cross drive in a white ford transit van on social