Gina Rinehart has been Australia’s richest person for the last six years in a row. But where does her money come from? In episode three we unpack the bitter rivalries, court battles and family conflicts behind the Hancock fortune – and consider a fundamental question: is Rinehart a mining heiress or is she a self-made mining magnate? We then look at her crowning achievement to date in her time at the helm of Hancock Prospecting – owning and operating her own iron mine at Roy Hill, something her father was never able to do Listen and subscribe to the Gina Podcast at theguardian.com/gina