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.
More top news
13-year-old Leighton Alexander from Shire Moor has just come out of a coma after suffering multiples injuries.
The boys, aged 15 and 13, had got into difficulties while swimming off the beach at Skinningrove.
Jason Gillespie is to leave his position as coach at Yorkshire County Cricket Club at the end of the 2016 season.