Four weeks on from the murder of student Nahid Almanea in Colchester detectives have been back at the scene.
The Saudi Arabian student was found dead on the Salary Brook trail on Tuesday 17th June. The Essex University student had been stabbed 16 times.
This morning officers returned to the trail to talk to people who may have been in the area at the time of Nahid's death. 100 detectives are still working on the case.
CCTV images of potential witnesses to the savage murder of an Essex student have been released by police today.
Detectives investigating the murder of Nahid Almanea have issued an efit of a man they would like to speak to.