Four-year-old Bobby Panknin vanished during a family camping trip on August 3, 1963, at the now-defunct Deep Lake Resort in Stevens County, Washington. He and two older brothers were hiking with their mother along a logging road when the brothers left the trail to investigate a small creek; the mother instructed the six-year-old to stay with Bobby. When the group returned a short time later from about 100 to 150 feet away, Bobby was gone.

An extensive search followed—described as possibly the largest in Stevens County history—with thousands of volunteers, searchers and hunters covering remote, hilly, heavily forested terrain about 20 miles south of the Canadian border. Bobby was barefoot and wearing only blue swimming trunks. Bloodhounds tracked his scent a couple of miles to a fork in the road before the trail stopped; divers searched Deep Lake and nearby creeks. No trace of him, no footprints, no sign of a struggle and no physical evidence were ever found.

Authorities and family considered several theories including abduction, an animal attack and becoming lost in the wilderness; none could be substantiated. Does anyone have memories of Deep Lake in 1963 or information that could help explain what happened to Bobby?