On June 9th, 1979, the Ghost Train ride at Sydney’s Luna Park caught fire. The blaze killed six children and one adult, but despite a coronial inquiry the cause of the fire has never been determined.The Ghost Train fire is the subject of the second series of ABC’s Exposed, created and presented by Walkley Award-winning journalist, Caro Meldrum-Hanna.Mediaweek spoke to Meldrum-Hanna about what drew her to the story, and how the investigation was put together.