The body of Lee Balkwell has been reburied this morning, after being exhumed for a post-mortem examination.
Detective Inspector Janine Farrell, of the Kent and Essex Serious Crime Directorate, said:
"We will now await the full post-mortem report and will then be assessing the results to see how they can help inform the next steps in our investigation.
"Our enquiries are continuing and we remain open to all hypotheses regarding Lee’s death and if anyone has any information regarding the death of Lee Balkwell, no matter how trivial they consider it, even after all this time, they should contact my team on 01634 884033.
"This is a confidential line, where people can leave a message for my officers who will get back to them."