This article provides some of the historical backstory to the mounting problems of Deutsche Bank - a bank that appeared to have come out of the Global Financial Crisis in reasonable shape but Germany's biggest lender is now facing severe financial problems and the prospect of having to pay huge fines for the mis-selling of mortgage backed bonds.

Deutsche's shares have fallen more than 50% over the last year and the business does not make enough money - their profits have waged below the cost of capital.

Too big to fail? The IMF has called Deutsche the world's most dangerous bank. Will the German government sanction a rescue package to limit some of the systemic risks of a bank failure in Europe's largest economy?