To John and Margaret Ashley
My thanks for their invaluable advice and research to:
Simon Bainbridge, Jonathan Caplan QC,
Vicki Mellor, Alison Prince, Catherine Richards,
Marcus Rutherford, Jonathan Ticehurst
and Johnny Van Haeften.
Special thanks to Detective Sergeant Michelle Roycroft (rtd), Chief Superintendent John Sutherland (rtd) and Detective Superintendent Robin Bhairam QPM (rtd).