A Florida engineer is adamant he spoke with Brian Laundrie on a deserted road near the Appalachian Trail in North Carolina on Saturday morning. Dennis Davis’ alleged encounter with the boyfriend of slain Long Island native Gabby Petito comes as police receive tips that Laundrie may be traversing the trail, the world’s longest footpath. “There is no doubt in my mind I spoke to Brian Laundrie — none whatsoever,” Davis, 53, said. “Dog the Bounty Hunter’s daughter sent me an audio file of Brian’s voice and the voice was the same I heard.” A lost and dazed man allegedly waved...