Gabby Petito: New details from 'Dog the Bounty Hunter' search for Brian Laundrie

Duane "Dog" Chapman continues to search for Gabby Petito's fiance Brian Laundrie and has released some new information he has obtained during his investigation. In addition to putting up $10,000 towards the reward, "Dog the Bounty Hunter" says he received a tip that placed Laundrie's sister in Fort De Soto on Sept. 6 -- initial reports were only the parents went with Laundrie to the Pinellas County park. Police were told of this development and a plainclothes officer is said to be with Chapman during his search for any sign of Laundrie.