Gabby Petito's family said they believe Brian Laundrie was suffering from a “mental health crisis" after seeing some of his disturbing writings and drawings that were released by the FBI. | NewsNation

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