It's one of the oldest mysteries in the Smokies, a 6-year-old's disappearance more than four decades ago. Nearly 50 years later, the disappearance of young Dennis Martin in the Great Smoky Mountains still haunts those who helped in the massive search. http://bit.ly/2p4VSF1

More from Appalachian Unsolved: https://www.wbir.com/appalachian-unso...
Subscribe to WBIR for exclusive content:    / wbir10  

WBIR Channel 10 in Knoxville, Tennessee produces award-winning, community-centered content "Straight From The Heart" of East Tennessee. We strive to be good citizens, to do what is right, and to be fair and honest. We care.

Follow WBIR on Social:
Facebook:   / wbirchannel10  
Twitter:   / wbir  
Instagram:   / wbirchannel10