Overview: From the Legends of King Arthur and Robin Hood to the recent events of the Russian Revolution, history is full of fascinating and evocative unsolved mysteries. They have inspired, intrigued and often confounded us – but how much do we really know about them? And can we separate fact from fiction? In Mystery Files, the dust is blown off the case files of the world’s most famous and iconic mysteries in a dynamic series that asks, what is the truth behind the greatest stories ever told?