Both 'cum ex' and Enron scandals show how traders can manipulate complex financial regulations to their advantage.
A New Zealand Court of Appeal decision set a precedent last month. Offenders who can prove their personal addiction played a role in their crime are now eligible for a shorter sentence.
The investigations into the financial dealings of Donald Trump and his associates join a growing body of evidence pointing to lax enforcement of certain high-level financial crime.
Denmark's biggest financial institution has admitted that around €200 billion of questionable money flowed through its Estonian branch from 2007-15.