Austin King-Henke went missing in Yellowstone National Park. After 11 days of searching, the rescue mission has changed to a recovery effort.
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For the past 11 days, more than 100 personnel have been looking for King-Henke, utilizing helicopters, dog teams, and drones. According to the National Park Service, more than 3,225 miles by air and ground at elevations ranging from 11,350 feet to 8,400 feet have been searched.
Officials said "unfortunately, they have not found any definitive clues as to King’s current whereabouts."