Five months after he was found stabbed to death on a riverbank, detectives say they're still not sure whether high flying Durham solicitor Peter Maine was murdered or took his own life.
And now after months of exhaustive inquiries they're trying to trace three mystery figures who could hold the answers.
Watch Gregg Easteal's report here.
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The name was unveiled today by the Northern Powerhouse Minister Andrew Percy.
Harry was world rowing champion who drew thousands to the banks of the River Tyne in the 1850s.