He is Mark Leslie John Berney, aged 44, from Knaresborough.
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Police re-opened the B6165 at Whipley Bank on the evening of Monday, 4 August 2014) after a section of road had been cordoned off to allow searches of the scene to be carried out.
Police have thanked local residents who were disrupted for their patience and understanding.
The suspect, who is aged 40 and from Harrogate, remains in police custody for questioning while enquiries continue.
Detective Superintendent Dai Malyn, Head of the Major Crime Unit, said: At this time we are not looking for another person or anticipate further arrests in connection with the case.
Anyone with information that could assist the investigation should contact North Yorkshire Police on 101, select option 2, and ask for the Major Crime Unit.
Information can also be passed to Crimestoppers anonymously on 0800 555 111.
Please quote reference 12140130641 when providing information about this incident.