Police are stopping passers-by in Durham, in an effort to discover more about the death of a solicitor exactly two weeks ago. Peter Maine was stabbed while out on a morning run. He died later.
Detective Chief Inspector Steve Chapman from Durham Police is leading the investigation. He explained why his officers had returned to the area a fortnight after Mr Maine's death:
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The victim was walking her dog last month in an area known to locals as 'Black Bobby's Field'.