JACKSON, Wyo. (AP) — A coroner in Wyoming says slain cross-country traveler Gabby Petito died as a result of strangulation.

The 22-year-old woman's body was found last month near an undeveloped camping area in remote northern Wyoming along the border of Grand Teton National Park.

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Teton County Coroner Dr. Brent Blue said in a news conference Tuesday he was prevented by Wyoming law from saying more about the case.

The coroner previously classified Petito’s death as a homicide, but he had not disclosed how she was killed pending further autopsy results.

Petito's boyfriend, Brian Laundrie, is considered a person of interest in her disappearance and remains unaccounted for.