On July 17, 1981, a fourteen-year-old girl named Stacy Arras rode into the Yosemite high country with her father as part of a guided mule trip to Sunrise High Sierra Camp. The camp sits at 9,400 feet in one of the most remote sections of Yosemite National Park — granite slabs, sparse pines, and open alpine terrain stretching in every direction.After arriving at camp, Stacy told her father she wanted to walk toward the nearby lake to take photographs. A seventy-seven-year-old man from the same group, Gerald Stuart, decided to accompany her. He became winded and sat down on a boulder to rest while Stacy continued walking — roughly fifty yards ahead of him — toward a tree line at the edge of the granite slope.He watched her walk into the trees.That was the last time anyone ever saw Stacy Arras.What followed was one of the largest search and rescue operations in the history of Yosemite National Park. One hundred fifty searchers, including sixty-seven Mountain Rescue Association volunteers, six search dog teams, divers, and three helicopters covering more than forty hours of aerial search time. Over nine days and eight thousand man-hours, teams covered three to five square miles surrounding the spot where Stacy was last seen.They found one thing. Part of her camera, lying just inside the tree line — exactly where she had been walking.No footprints leading further. No drag marks. No scent trail for the dogs to follow — not even a few yards from her last known position. No signs of a struggle. No evidence of predator activity. No clothing. No remains. Nothing.Every conventional explanation for Stacy's disappearance fails against the physical evidence. A fall into the terrain would have left remains — the area was searched exhaustively by divers and ground teams. An animal attack would have left blood, drag marks, and disturbed ground — none were found. Voluntary disappearance is contradicted by the fact that Stacy initially put on sandals before her father stopped her and made her change into hiking boots — not the preparation of someone planning to walk away. The nearest road was miles away across open terrain, and Stacy has never been seen or heard from anywhere in the world in the forty-four years since she vanished.In 2011, thirty years after Stacy disappeared, researcher and former law enforcement officer David Paulides filed a Freedom of Information Act request with the National Park Service seeking the complete case file on her disappearance. The request was denied. Paulides appealed. In September of 2011, the Department of the Interior responded in writing, stating that the National Park Service's criminal investigation into the incident is still ongoing and that releasing the documents could reasonably be expected to interfere with enforcement proceedings.The case file on Stacy Arras contains nearly two thousand pages. A typical missing persons case from this era runs ten to one hundred pages. Of those nearly two thousand pages, only a small portion has ever been made public — primarily search and rescue logs released through the NPS FOIA reading room. The full investigative file remains withheld under FOIA Exemption 7A, which covers active law enforcement proceedings.Forty-four years later, her disappearance remains officially unsolved — and the government has never explained why a missing persons case from 1981 is still classified as an active criminal investigation.Mr. Nocturna covers impossible disappearances, unsolved cold cases, and the cases that refuse to close. New videos every week.
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