Nine-year-old Christopher William Vigil disappeared from the Grey Rock Mountain Trail in Poudre Park, Colorado, on April 30, 1978, while hiking with his mother and younger brother. Christopher was described as tall for his age, with brown hair and green eyes, and was wearing a dark green knit shirt, green plaid pants, blue sneakers, and a purple or maroon denim jacket. His mother reported him missing at 5:30 p.m. after he hiked ahead and did not return.

An immediate, large-scale search covered rugged Poudre Canyon terrain: 170 foot searchers, 30 people on horseback, three helicopters, and tracking dogs. Severe weather hit that night with temperatures below freezing and wind, rain, sleet, and snow, and the search was suspended after nearly a week as a heavy snowstorm approached.

Several unconfirmed sightings of a boy matching Christopher’s description were reported in Colorado, Wyoming, and Utah in the months after his disappearance; witnesses described a scared, confused, dirty boy allegedly selling newspapers to earn a trip to Disneyland, but none could be verified. Does anyone have information about hikers on the Grey Rock Trail that day or remember seeing a boy fitting Christopher’s description?