The Disappearance of Dennis Martin

June 14th, 1969. <break time="0.8s" /> A six-year-old boy played hide and seek with his family

in the Great Smoky Mountains. Dennis Martin ducked behind a bush to surprise his father. <break time="1.0s" />

Forty seconds later, his dad walked over. Dennis was gone. Within hours, fourteen hundred

searchers combed those woods. <break time="0.8s" /> Green Berets. Helicopters. Tracking dogs.

They found nothing. <break time="1.0s" /> Not a thread. Not a footprint. Not a sound. A witness reported

seeing a disheveled man carrying something through the brush that evening. <break time="0.8s" /> Rangers dismissed

it. Fifty-five years later, Dennis Martin remains case number MP3030

in the National Missing Persons database. His father searched those mountains