After raising his concerns with the Met Police, PC James Patrick was moved into a specialist role at territorial policing HQ looking at the measurement of crime levels. He found disparities between numbers of burglary reports and those finally recorded:
Burglary is an area where crimes are downgraded or moved into other brackets, such as criminal damage for attempted burglaries, or other types of thefts.
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The 47-year-old man died shortly after 3pm on Tuesday.
Specialist explosive detection dogs searched through the town examining letter boxes and phone booths for signs of potential devices.
Temperatures reached 29.1C in St James's Park, central London.