and social media feeds went quiet. >> they spotted the white van near where her body was later recovered. and the day before a woman noticed the van parked near the camping area where petito was found. >> i'm 100% certain that i did see him parking his van and he was very kind of awkward and confused, and it was just him. there was no gabby, but that's only because as a van lifer, i was checking out their van and checking out to see if it was a couple or a solo dude. it was a solo dude unless she was in the back somewhere. >> that's jessica schultz. she and the fbi are declining to comment to cnn about that report. meantime the city of moab, utah, also investigating how the police responded to a 911 caller who claimed in mid august that he witnessed laundrie slapping petito. >> we drove by and the gentleman was slapping the girl. >> he was slapping her? >> yes, and then we stopped. they ran up and down the sidewalk.