Danske bank money laundering scandal

Danske Bank, Denamrk's largest bank is now under the investigation due to its operations in Estonia. Which offered until 2015 banking services at its Estonia branch to residents of other countries. Those operations have now embroiled the Copenhagen-based lender in biggest money laundering scandal in the region.
Many of these non-resident clients of the Danske Bank's Estonian branch were from high-risk countries, such as Russia, Moldova and Azerbaijan. It is alleged that they have been involved in laundering more than $50 billion in last few years.

Danske had indications of possible wrong-doing but only began terminating business with non-resident account holders after it got a report in 2013 by a whistle blower; it also began its own investigations