The mystery surrounding the mother of two's disappearance a quarter of a century ago has captured the attention of millions through the popular podcast The Lady Vanishes.
As the inquest into the mysterious disappearance of Marion Barter resumes, the court has heard from a new witness who has claimed to have met a woman who matched Barter's description in 1997 in what may have been the last known sighting of the former teacher.
When 51-year-old Australian schoolteacher Marion Barter disappeared while taking a sabbatical to travel the world local authorities dismissed the family's concerns. 25 years later, the dogged efforts of The Lady Vanishes podcast are uncovering a disturbing story.