Police are continuing to investigate the death of a former solicitor who was stabbed three times in Durham.
Peter Maine, 56, was found dead near to a running track at Maiden Castle Sports Centre on September 1.
Detective Chief Inspector Steve Chapman, who is leading the investigation, said:
"Mr Maine's death remains suspicious but we have to keep an open mind as to how he came by his injuries.
"We have established a major incident room at police headquarters and we are committing the same resources we would for any homicide investigation."
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