could endanger the parents of laundrie and to perhaps being implicated criminally but also as to whereabouts of brian laundrie himself. when their son returned three weeks ago, he returned with the white van that they left with without petito and he's not spoke to them since. >> martha: thanks, phil. phil keating outside of the reserve where they're searching for brian laundrie. charlene and william guthrie love across the street from the laundrie home where brian and gabby were living before they went on this trip. thanks nor being here. i know you moved there at the beginning of the summer and literally across the street. when did you observe when brian returned from the trip and you saw the white van that had belonged to gabby in the driveway. >> didn't know it was gabby. we didn't -- just assumed it was his van.