An Education in Opus Dei - the disturbing teachings of the conservative Catholic organisation and its influence in the NSW Liberal Party. Former students reflect on the practices they say have scarred them for life.

The doctors who break their sacred oath but are still allowed to practise. We investigate the medical complaints handling process as patients tell harrowing stories of betrayal, and the system that struggled to respond.

Can carbon credits really save the planet? We journey deep into the Papua New Guinean jungle to uncover the confronting truth about the carbon trade, finding a vast chasm between what is marketed and what is really happening.

The People's Fight, the inside story of the battle of the strategic city of Kherson. This Ukrainian victory halted Russian advances in the South and showed how an army of volunteers could defeat the might of the Russian army.

Australia's secret battle with eating disorders. We follow families as they struggle to get the right treatment, exploring the complexities and revealing a health system appallingly underprepared to deal with this crisis.

Inside Perth Mint's billion dollar scandal. Criminals have targeted Australia's largest government-owned gold refiner, trying to exploit weaknesses in its reporting systems to launder money.

Exposing the political games of one of Australia's most powerful lobby groups. A senior Liberal Party minister speaks for the first time about the orchestrated campaign to remove him by the powerful Australian gambling lobby.

Filmmaker Ben Zand takes us into the dark world of Incels - a radical online subculture of young men who rage against women for supposedly denying them sex and then turn that rage into fantasies about horrific violence.

Real Estate insiders expose the industry's secret tactics. Agents and property professionals reveal the ways in which their profession manipulates and misleads buyers as well as sellers in the pursuit of making a deal.

The scandal threatening the Paralympics. Insiders reveal a culture where classification rules are regularly bent and broken, as a system meant to ensure a level playing field for Paralympians is flawed and easily manipulated.

Japan's secret sex scandal. A music executive with a long history of allegations of sexual abuse made by boys in his talent agency. We examine the suffocating reality of being a J-pop idol and the media cover up over decades.

Australia is under cyber-attack and the problem is only getting worse. John Lyons tracks the criminal syndicate behind one of our largest-ever data breaches, finding highly-organised criminal gangs, often based in Russia.

Four Corners revisits its investigation into the inner workings of the powerful Murdoch-owned conservative news outlet Fox News, in the wake of the company's billion-dollar settlement with an election technology company.

Australia's high risk submarine gamble. As we embark on the $368-billion AUKUS plan to acquire a fleet of nuclear-powered subs, reporter Angus Grigg exposes major delays and safety issues in our current Collins Class vessels.

The new reality of artificial life. As tech companies race to dominate the artificial intelligence market, experts warn we're not prepared for what happens next. Grace Tobin investigates the misuse and abuse of generative AI.

We go deep inside Russia to document the opposition to the Ukrainian war. Brave Russians who are willing to speak out against their government, despite the incredible risk.

We lift the lid on the shadowy underworld of Australia's cocaine supply chain, with unprecedented access to traffickers, importers, street dealers and high-ranking cartel operatives.

The new legal tactics blocking justice for survivors. Louise Milligan goes inside the legal fight as lawyers representing victims face institutions pushing to have cases thrown out of court altogether.

The small island state of Taiwan is in dire straits - stuck in the middle of a struggle between nuclear superpowers China and the United States. There are real fears it may become the centre of our next major global conflict.

The secretive deals between Australia's big sporting codes and bookmakers. Pat McGrath reveals how sports governing bodies get a cut of every bet made in Australia on their games. Could it change the way the games are played?

Australia's great untold spy story. A senior officer at our national spy agency stole and sold highly classified intelligence to Russia's KGB for at least six years, jeopardising our security relationship with the US and UK.

Inside Australia's Biggest Tax Scam. Paul Farrell investigates the Plutus Payroll scheme: a vast conspiracy to defraud more than $100 million from Australian taxpayers, revealing how it was set up and how it was brought down.

A week after the Wagner rebellion exposed cracks in Russian President Vladimir Putin's power, we investigate his decades long clashes with US Presidents. The miscalculations and missteps that paved the way for war in Ukraine.

The battle over youth gender care. Patricia Karvelas breaks open the debate, navigating polarised arguments and scientific research on issues including medical interventions, puberty blockers and cross-sex hormones.

Inside the broken business of building. Australia has the highest rate of construction insolvencies in a decade. We examine the supply chain pressures, slim profit margins and failure in regulation as some flout the law.