Brian Laundrie likely never left the Florida nature preserve where he was last seen - and with the discovery of his remains earlier this week, it brings to an end a mystery that has captivated the country.

But - even so, there are unanswered questions in the disappearance and death of Gabby Petito. This week, Pei-Sze Cheng revisits experts about the latest in the case and where they think we're headed next.

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