They typically use these things called "prestigious accounting firms" and "major international banks." http://www.theglobeandmail.com/report-on-business/intern

They typically use these things called "prestigious accounting firms" and "major international banks." http://www.theglobeandmail.com/report-on-business/international-business/hsbc-to-pay-record-19-billion-fine-in-us-money-laundering-case/article6189108/ http://www.theglobeandmail.com/report-on-business/internatio...