Gabby Petito hasn't been seen for more than two weeks and the search is heating up for the Long Island woman, who was on a cross-country trip with her fiancé. This week on The Debrief, Pei-Sze Cheng reports from Grand Teton National Park, where Petito's stepfather is doing all he can to drum up leads and convince Brian Laundrie to tell authorities what he knows about Gabby's whereabouts.

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.