LONDON/COPENHAGEN, Denmark—When Howard Wilkinson was given a tablet as a gift from a client and his boss did not respond to questions about what he should do with it, the Briton sold it and donated the proceeds to the Tallinn Children’s’ Hospital in Estonia.
The former banker-turned whistleblower then handed the receipt to his employer, Copenhagen-based Danske Bank, which has since has become embroiled in one of the world’s biggest money-laundering scandals.
