So called 'free markets' are anything but free

In the last decade the free market has been blamed for many things, such as the collapse of Enron, the credit crunch and the latest scandal where dealers at Barclays (LSE: BARC) and some other banks manipulated the benchmark London inter-bank offered rate (Libor). The problem is that none of these events took place in a country that has a free market economic system, so how can it be the free market's fault?