Ben Smee, Guardian Australia’s Queensland correspondent, has been reporting on the national crisis of domestic and family violence, as well as the culture and attitudes inside the Queensland police, for years. In the final episode of this special Full Story investigation, Broken trust looks at how police are failing to learn from their own mistakes. Guardian Australia can reveal allegations from a former senior Queensland detective who has accused police of covering up their own failures in cases in which vulnerable women died after seeking police protection, and alleges she was ordered to ‘protect the organisation’s reputation at all costs’

Ben Smee, Guardian Australia’s Queensland correspondent, has been reporting on the national crisis of domestic and family violence, as well as the culture and attitudes inside the Queensland police, for years. In the first episode of this special Full Story investigation, Broken trust uncovers exclusive new evidence in the case of Hannah Clarke and her children. It looks at serious police failings in the lead-up to the murders that were overlooked by the coronial inquest and not investigated by homicide detectives

Ben Smee, Guardian Australia’s Queensland correspondent, has been reporting on the national crisis of domestic and family violence, as well as the culture and attitudes of Queensland police, for years. In this special Full Story investigation, Broken Trust can reveal exclusive new evidence in the case of Hannah Clarke and her children, a domestic and family violence homicide that made national headlines. The series looks at serious police failings in the lead-up to the murders that were overlooked by the coronial inquest and not investigated by homicide detectives

At 13 years old, a young Gina Rinehart read a book that would help shape her worldview – Ayn Rand’s Atlas Shrugged, which is having a moment around the world. The novel’s capitalist underpinnings promote the idea that people should strive to be their best industrial selves. In this episode, we explore how these values are playing out in Rinehart’s life today, including her proposal to build a coalmine in Canada’s Rocky Mountains. And we hear how author and environmental campaigner Tim Winton views her efforts to prevent an overhaul of Australia’s environmental laws

Gina Rinehart’s father, Lang Hancock, is well known as a pioneer of the iron ore industry in Australia but few realise Hancock started his mining career on a smaller scale and digging for a different substance – blue asbestos. Hancock and his partner started the mining operation at Wittenoom in the 1940s before selling it to another company, CSR, which mined the area for 20 more years. Wittenoom has become synonymous with an immense tragedy that unfolded upon thousands of the people who lived and worked there due to exposure to asbestos fibres. In this episode of Gina, we interrogate some of the stories her family chooses to celebrate – and others they don’t Listen and subscribe to the Gina podcast at theguardian.com/gina

Gina Rinehart’s father Lang Hancock is well known as a pioneer of the iron ore industry in Australia but few realise Hancock started his mining career on a smaller scale and digging for a different substance – blue asbestos. Hancock and his partner started the mining operation at Wittenoom in the 1940s before selling it to another company, CSR, which mined the area for 20 more years. Wittenoom has become synonymous with an immense tragedy that unfolded upon thousands of the people who lived and worked there due to exposure to asbestos fibres. In this episode of Gina, we interrogate some of the stories her family chooses to celebrate – and others they don’t

In the last episode, we covered historical claims made over the years that Lang Hancock, Gina’s father, had two unacknowledged daughters with separate Indigenous women. Since then, the daughter of Sella Robinson, one of the Indigenous women who claimed to be Hancock’s daughter, has decided to speak publicly for the first time Listen to all the episodes of Gina at theguardian.com/gina

It’s the portrait of Gina Rinehart that launched 1,000 memes, went viral globally and became Australia’s Mona Lisa. But it’s also a symbol of how wealth intersects with other areas of life, including art and sport. How does Rinehart use her money to control her image – and what would she rather you don’t see? This episode of Gina is about power and control, and the colonial history of Australia. It contains references to outdated offensive language and events that Aboriginal and Torres Strait Islander people may find distressing. It also contains the names of Indigenous Australians who have died. Listen with care

Twenty years ago, John Hancock had dinner with his mother, Gina Rinehart. He says it’s the last positive interaction he had with her. In an in-depth interview, he explains how his relationship with his mother fell apart and discusses a high-stakes legal case that could threaten the foundations of her empire Listen and subscribe to the Gina Podcast at theguardian.com/gina

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