GABBY PETITO: Foundation raises $13K at LI fundraiser, mom says Laundries 'know most of the info' about her death

File photo: A sign honors the death of Gabby Petito on September 24, 2021 in Blue Point, New York
File photo: A sign honors the death of Gabby Petito on September 24, 2021 in Blue Point, New York. Photo credit Stephanie Keith/Getty Images