Brian Laundrie manhunt: Tipster sends Dog the Bounty Hunter to Florida campground 75 miles from family home

EXCLUSIVE: Duane "Dog the Bounty Hunter" Chapman is investigating a tip that alleges Brian Laundrie, the fugitive fiancé of Gabby Petito, went into a Florida campground 75 miles away with his parents in early September — but only two of them were seen leaving.