The Hatton Garden heist has captured the public's interest more than any other crime since the great train robbery. It was designed to yield a fortune for a group of old-time professional criminals. Their last success. A final lucrative target that would send them into a happy retirement in the untrodden areas of Spain and beyond. It seemed to be the stuff of legends. Tens of millions of pounds in valuables were seized from secret boxes in a vault beneath one of the world's most famous gold and jewelry districts. But where exactly did it all go wrong for this band of old crooks? And why did the gang's attempt to pull off the world's biggest heist turn into a deadly game of cat and mouse with the police and London's most dangerous master criminals? No one is better positioned to reveal the full story of the Hatton Garden heist than Britain's best-connected true crime writer, Wensley Clarkson. Through his unique contacts in the London underworld, he has convinced those who know the truth to expose the chilling details behind the biggest robbery in Britain's history.