In August 2013, 19-year-old Bryce Laspisa left his college apartment near Los Angeles and began a strange, meandering journey north toward his parents’ home. He never made it. His car was later found wrecked and abandoned near Castaic Lake, its contents inside but Bryce was gone.

What unfolded next is one of the most baffling missing person cases in modern America. From his final phone calls to erratic behavior and a trail of digital breadcrumbs, Bryce’s disappearance has spawned countless online theories from mental health struggles to something more sinister.