Brazilian investigators say the banks under scrutiny communicated online via the Bloomberg chat platform to organise what they themselves referred to as ‘The cartel’ and ‘The mafia.’The other 13 banks named are: Banco Standard de Investimentos, Tokyo-Mitsubishi UFJ, Barclays, Credit Suisse, Deutsche Bank, JPMorgan Chase, Merrill lynch, Morgan Stanley, Nomura, Royal Bank of Canada, Royal Bank of Scotland, Standard Chartered and UBS.