An Instagram Timeline of Gabby Petito's Disappearance

Missing 22-year-old Gabby Petito and her fiancé Brian Laundrie left Long Island, New York, on July 2 for a months-long cross-country road trip, much of which they documented on social media. LX News host Tabitha Lipkin walks through the timeline of their trip based on Instagram posts, police video and other media.