In 1992, 12-year-old Rhianna Barreau left her home in South Australia to buy a Christmas card - but she never returned. Witnesses last saw her near Morphett Vale High School around 12:30 PM, carrying a small bag. Despite extensive investigations, her disappearance remains unsolved. In this episode, we retrace her final known movements, explore key evidence, and discuss theories surrounding the case. What happened to Rhianna?

Join us as we examine one of Australia’s most haunting missing person cases.

For more information, visit missed.org.au. If you have any tips related to a missing person, contact Crime Stoppers at 1800 333 000. Music by Lee Rosevere.