Brian Laundrie manhunt: Dog the Bounty Hunter seeking leads in Appalachian Trail after reported sightings

Investigators working with Duane "Dog the Bounty Hunter" Chapman are honing in on portions of the  Appalachian Trail in North Carolina as they continue their search for Brian Laundrie, who is wanted on bank fraud charges after his fiancée, Gabby Petito, was found dead in Wyoming.