The Disappearance of Dennis Martin

Saturday, June 14, 1969. Father's Day weekend. Dennis Martin of Knoxville, six days short of his seventh birthday, was hiking in Great Smoky Mountains National Park with his father, William "Bill" Martin, his grandfather Clyde Martin, his 9-year-old brother and other children. They had come up from Cades Cove and camped at Russell Field. The next day they reached Spence Field, a grassy bald on the Appalachian Trail.

Dennis had a plan. He would hide behind a bush and jump out at the adults. He took a roundabout route so no one would see him coming. His father saw him hiding. Then he lost sight of him.

About five minutes later, the other children came back. Dennis was not with them. His father ran nearly 2 miles down the trail. Within hours, about 3 inches of rain fell. That night the temperature dropped to nearly 50°F.

Miles away, Harold Key and his family, from Carthage, Tennessee, were in Cades Cove looking for wildlife. They heard an "enormous, sickening scream." Key saw a figure in the woods, and his son thought it was a bear. The Knoxville Journal carried the reply: "It wasn't a bear. It was a man." The man was keeping behind the leaves, "definitely avoiding us."

The Keys only learned of the search weeks later. Then they called officials. Interviewed in 2016, at age 90, by author Michael Bouchard, Key described a middle-aged white man who walked quickly to a white car, sweating and nervous, and drove off fast, throwing gravel. Then Key heard a child scream for help, then a scream of pain, from some distance. He never saw a child.

At its peak, about 1,400 people from 35 organisations searched some 56 square miles, among them 71 Green Berets already in the area for training. It remains the largest search in the park's history. Child-sized footprints led to a stream and vanished. Officials said a Boy Scout made them. Retired ranger Dwight McCarter disagreed: "it was a little boy's footprint, a little Oxford shoe like he was wearing."

An FBI agent and a park ranger walked the ground with Key. They placed his sighting near Sea Branch, at least 5 miles from the Martin campsite. Too far, they concluded, for the boy to have walked in a few hours. The search was officially closed on September 14, 1969.

The park considered death by exposure or accident most likely, and no evidence of kidnapping was found. Bill Martin favoured abduction. Others suggested a bear, though no remains turned up. In 1985 a ginseng hunter reported small, scattered bones in Big Hollow. A later search found nothing.

No witness ever described a hairy creature. The wild man came later. David Paulides made the case the longest chapter of Missing 411: Eastern United States. Online retellings added a bearskin and a bundle dressed in red.

Wikipedia's Bigfoot article now names the case, and Hulu's Out There pitched "rumors of a kidnapping by a giant, hairy wildman." Bouchard calls the idea "very, very far-fetched." The case is still open. And the park changed how it searches, trading huge volunteer crowds for small trained teams.