Today's article exposes the culture of impunity, albeit in the financial sector. Here are a few relevant quotes:

The regulators and other enforcement agencies, for example the Serious Fraud Office [answerable to the Attorney General], have totally failed us in holding people who have committed wrongdoing to account."
"Regulators and enforcement agencies are too cosy with the firms they supervise," he says. "There are loads of revolving doors between the regulators and the regulated." Plus, he says, there have been no personal consequences for wrong doing - no jail, fines, public censure or banning - so, therefore no deterrents.