Some of the world's biggest banks including HSBC and Barclays 'let criminals and fraudsters move dirty money around the globe – in some cases even after being told' global investigation reveals
- Two trillion dollar's worth of transactions were analysed from leaked dossiers
- The five banks which featured most in the documents were HSBC, JPMorgan, Deutsche Bank, Standard Chartered, Bank of New York Mellon
- Documents are said to reveal 'banking system's most closely guarded secrets'
- Also reported to show how Russian oligarchs avoid being hit by sanctions