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JACKSON, Wyo. (ABC4) — Authorities in Jackson, Wyoming, have confirmed that the body found near a campground in Grand Teton National Park are Gabby Petito.

Officials were searching the park for missing Gabby Petito. They said the body found matched the description of Petito.

One chapter of the investigation was closed at around 6 p.m. Monday night in Jackson as authorities cleared a possible crime scene. That scene is the campsite where authorities located the body on Sunday.

A makeshift cross made with river rocks from the slowly disappearing Spread Creek could be seen in the area authorities had blocked off. It is unknown who put the memorial there.

After spending hours searching, authorities left the Spread Creek area Monday afternoon. An former NCIS forensics investigator said she knows what authorities were searching for.

“They’re going to be looking for any evidence to be able to tie if it is, in fact, a homicide,” Amie Houghton said. “Any evidence that they can look to tie a suspect to that particular area where the remains were found and in connection with Gabby’s remains if those are in fact hers.”

Brian Laundrie, Petito’s fiance, may be the only one who knows what happened to Petito. He is a person of interest in her case and authorities in Florida are currently searching for him. The possibility of violence between the couple reared its ugly head in Moab last month.

In recently released 911 audio, you can hear a witness paint a different picture than what Moab Police determined after speaking with Petito and Laundrie outside Arches National Park. The witness is heard tell dispatch he saw Laundrie slapping Petito. No charges were filed in this incident.