The U.S., British and Australian authorities are working with a gigantic cache of leaked data that may be the beginnings of one of the largest tax investigations in history.
The secret records are believed to include those obtained by the International Consortium of Investigative Journalists that lay bare the individuals behind covert companies and private trusts in the British Virgin Islands, the Cook Islands, Singapore and other offshore hideaways.
The hoard of documents obtained by ICIJ represents the biggest stockpile of inside information about the offshore system ever gathered by a media organization.
But the British tax authority claims it has even more data.