Lead detective in the Pearman investigation Detective Chief Inspector Andy Guy said the case could be easily solved with one piece of information.
There are people who know or strongly suspect who was responsible and I'm sure that plays heavily on their conscience.
"All we need is a name and we will do the rest, it is a simple matter of matching DNA. Natalie was little more than a child when she was murdered and her and her family deserve that this case is resolved
More top news
CCTV captures the moment two young children survive a car crash on their walk to school.
It will be a dry day and very warm with bright and sunny spells.
Armed officers will be on patrol at major infrastructure sites across Essex and the county will see more police patrols.