LATEST in the #GabbyPetito case: The FBI has just issued a federal arrest warrant for #BrianLaundrie as the search for Laundrie continues. Plus, new details from one of the last eyewitnesses to see Gabby Petito alive. Jay Gray reports from Florida. Tonight on The News with Shepard Smith. | CNBC

This body camera footage, obtained by Newsday, shows Gabrielle Petito and Brian Laundrie being interviewed by Utah police officers on the side of the road outside Arches National Park on Aug. 12 — two weeks before she last communicated with her family. The two had been seen having a physical altercation before being stopped by police. Portions have been redacted by police and Newsday to protect people's privacy. Video credit: Moab City police department | Newsday