In the wake of one of the worst financial crises in history, governments across the world are moving in fits and starts to adjust financial regulation so as to stem systemic risk emanating from banking's big players.
Yet the effects of the 2008/2009 meltdown are still being felt across the global economy. The sector's problems show few signs of abating or diminishing in severity, and many critics claim that efforts to reform global banking have fallen far short of what's needed.
Switzerland allegedly sent one of its spies to Germany to find out who kept leaking secret banking data to tax authorities. He spent four years digging into tax investigators and planting a mole before he was caught.