Preface

Gareth Wyn Williams
On August 23, 2010, Metro Police entered a well-appointed flat at 36 Alderney Street, in the heart of London. In the flat they found an ensuite bathroom, in the bathtub they found a padlocked bag, and in the bag they found the body of Gareth Wyn Williams.

Williams, a brilliant mathematician from Anglesey, Wales, worked in Cheltenham for GQHC, Britain's domestic eavesdropping agency. He was living in London on secondment to MI6, Britiain's Secret Intelligence Service, and the block of flats in which his body was discovered was reportedly an MI6 "safe house".

Apparently uninterested in potential national-security angles, the police immediately announced they were looking for clues to Williams' mysterious death in the details of his private life. But they didn't make much headway. A month after his body was found, they still hadn't determined the cause of death, although they had admitted the case was "complex" and "unexplained."

It seemed like a job for Sherlock Holmes and Dr. Watson.

Fortunately, they happened to be available.

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