TICKETS ON SALE: Online IJ WEEK Offers More than 100 Speakers Dedicated to Investigative Journalism Around the World
October 11, 2026 • 23:59
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Leaks

23 posts

The Tax Disclosure Project

Last month, an international group of investigative journalists launched the Tax Disclosure Project – a global initiative requesting politicians in 20 countries to publicly disclose their tax returns. The project, coordinated by Finance Uncovered, aims to ensure transparency, accountability and an avoidance of wrongdoing and potential conflicts of interest among lawmakers. In this piece, Finance Uncovered co-director Nick Mathiason shares with GIJN the process of setting up this cross-border collaboration.

Resource

Three “Musts” for Today’s Investigative Journalist

Journalism is by definition investigative. However, the depth and scope of possibilities to unearth and bring to light wrongdoings of public interest has increased manifold, thanks to the way the Internet has been evolving in the last decade. To be a true investigative reporter today, it is indispensable to fine-tune the old philosophy with three new practices: be Open, Systematic and Safe.

Data Journalism Methodology

The People and the Technology Behind the Panama Papers

The trove of files that make up the Panama Papers is likely the largest dataset of leaked insider information in the history of journalism. For ICIJ’s Data and Research Unit, it offered a unique set of challenges. The overall size of the data (2.6 terabytes, 11.5 million files), the variety of file types (from spreadsheets, emails and PDFs to obscure and old formats no longer in use), and the logistics of making it all securely searchable for more than 370 journalists around the world are just a few of the hurdles faced over the course of the 12 month investigation.