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One Nation was the first Australian political party with a website, and its online game today is recognised as some of the most effective in the business. The party specialises in shareable anti-immigration messaging – and in bypassing traditional media to reach voters directly. ‘She tells it like it is,’ Pauline Hanson’s supporters say. But her tactics come straight from the populist right playbook: harvesting fear and grievance for political power. In the final episode of The Populist, Sarah Martin traces Hanson’s journey from her beginnings as Australia’s first ‘cyber politician’ to her leading role in the rightwing nativist movement that is sweeping the globe

One Nation receives millions in public funding, but former members have accused the party of leaving candidates out of pocket, ‘funny money deals’ and letting donations get ‘lost in the system’. When senior correspondent Sarah Martin followed the money, she discovered even those on the inside are asking questions about accountability, and why some are saying the man brought in to improve the system might be making it worse

Most Australians know the story of Pauline Hanson: the fish and chip shop, the maiden speech, the ‘please explain’. But Hanson’s top adviser James Ashby wields as much – if not more – power over One Nation as Hanson herself. When the party bars media from press conferences, it’s Ashby who makes the call. To understand how One Nation operates, it’s important to understand Ashby’s story, from his beginnings as a PR flack, through a massive parliamentary scandal, to his ascent to political power as the party’s popularity soars

‘If you’re trying to say I’m being funded by Gina Rinehart, the answer is no.’ That’s what the One Nation leader, Pauline Hanson, told the Guardian’s senior correspondent Sarah Martin in February. We now know that’s not true. Over months, Martin has pieced together flight-tracking data and expense records to uncover the true extent of financial support flowing from Australia’s richest person to the country’s fastest growing political force. Episode one of The Populist tells the inside story, from the Farrer byelection to the National Press Club, including exclusive new reporting

Around the globe, rightwing politicians pushing nationalist and anti-immigration policies are on the rise. The Populist explores the growing appeal of Pauline Hanson’s One Nation – a party that has imported the modus operandi of the populist right, including Trump-style attacks on the media. In a new four-part podcast series, investigations correspondent Sarah Martin asks who One Nation really stands for and whether the party has what it takes to achieve power in Australia

In this bonus episode of the Walkley-nominated series about Australia’s richest person, Guardian Australia senior correspondent Sarah Martin and producer Joe Koning examine Wednesday’s landmark court ruling that ends a 15-year-court battle between Gina Rinehart and rival heirs

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

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