The Pandora Papers leaks almost 12 million documents and files that expose the secret wealth and dealings world leaders, politicians, and billionaires. The International Consortium of Investigative Journalismists in Washington DC obtained the data and led to one of largest ever global investigations. Over 600 journalists from 117 different countries investigated the secret fortunes of some the most powerful people in the world. The investigation was led by BBC Panorama and Guardian in the UK.