A family traveling the country on their bus has posted video of what appears to be van-life couple Gabby Petito and Brian Laundrie’s vehicle in Grand Teton National Park on Aug. 27. Jenn Bethune, who blogs about her clan’s adventures, told The Daily Beast that the white Ford van stood out because it had Florida plates—and her family is also from the Sunshine State. They were about to stop and say hello but saw that the van was dark—it was about 6 p.m.—so they drove on. Bethune said she didn’t think about it again until someone who knew they had been in Grand Teton in late August suggested she might have seen the couple, and she quickly found the GoPro footage.

“I had goosebumps,” Bethune said of seeing the van, with its distinctive stickers, on the video. She said the van had been tucked away in the Spread Creek Dispersed Camping Area—which is the spot that the FBI has been conducting “ground surveys” in all weekend. Bethune said she has sent the video to the FBI—which on Sunday said it believes it found Petito’s remains in Grand Teton. Laundrie returned home from the trip out West without Petito and has himself now disappeared.