Could Sabrina Aisenberg still be alive today? Five-month-old Sabrina vanished from her crib near Tampa, gaining national attention; the investigation quickly zeroed in on her parents; but could Sabrina have been kidnapped?

In 2009, 30-year-old devout Mormon Steven Koecher takes mysterious road trips, driving great distances across the desert, eventually abandoning his car in a Nevada cul-de-sac. His last known moments were caught on surveillance cameras.