A Missouri deputy attorney general who vanished during a solo hiking trip in Wyoming’s isolated backcountry has been found alive nearly a week after he was last seen.Shaun Mackelprang, 55, was located Wednesday morning by search-and-rescue workers and transported by helicopter from the Wind River mountain range, the Sublette County Sheriff’s Office announced.His recovery came six days after, authorities said, he set out to hike the Green River Lakes Trailhead with the goal of reaching Gannett Peak, Wyoming’s highest.The Wind River Range of Wyoming is part of the Rocky Mountains.Cascadian via Getty ImagesHis brother, Romel Mackelprang, told Cowboy State Daily he planned to reach the mountain last Friday and return home the next day. He was dehydrated and disoriented when found near a lake that looked similar to one where he had left his tent pitched, he said.“I think what happened is he ... clearly got disoriented coming back down,” Romel Mackelprang said, noting they knew his brother reached the mountain peak Friday “because he signed the book.”Shaun Mackelprang’s condition was not immediately known. The Sublette County Sheriff’s Office did not immediately respond Thursday to HuffPost’s request for comment.