In 2018, a 16-year-old girl vanishes into thin air the morning after attending a high school party in an isolated California mountain town. The bizarre mystery leads to speculation by internet sleuths that her parents are somehow involved due to inconsistencies in their story. But now exclusive new details have been provided to PEOPLE MAGAZINE INVESTIGATES in an effort to dispel rumors and redirect everyone's attention to what is important, finding the right lead that will bring the teen home, hopefully alive.