The Missing Matter: Investigating Decades of Disappearances

Sally Leydon's podcast explores unresolved cases across continents, from her mother Marion Barter to Sandrine Jourdan and beyond

The Missing Matter, hosted by Sally Leydon, is a true crime podcast series investigating missing persons cases across Australia and internationally. Launching Season 3 in February 2026, the show combines family narratives with investigative journalism to explore cases that have gone unsolved for decades.