Nahid Almanea Colchester murder: CCTV images released
More than 70 CCTV images have been released by police in a bid to find witnesses to the murder of a Saudi Arabian student in Essex.
Nahid Almanea, 31, was found with 16 stab wounds on the Salary Brook Trail in Colchester on 17 June.
The images on the Essex Police website show "potential witnesses" who may have been nearby.
A spokesman said these people could have come from the direction of the trail and have "vital information".
No motive established
Ms Almanea was attacked at about 10:40 BST as she walked from her student accommodation in Woodrow Way to the University of Essex complex in Wivenhoe, where she was studying.
Essex Police said the images are from cameras at the barrier on the Capon Road at the university and from those at Avon Way, Purcell Close, and the Hunwicke Road shops on the Greenstead estate.
A spokesman asked for anyone who recognised themselves or someone they knew to come forward.
As well as identifying people in the CCTV images, officers are still trying to trace a man who was seen on the trail between 10:20 and 10:40, shortly before the victim was found.
He is thought to have been wearing a beige Italian designer jacket that had a belt, was slightly longer than waist-length, had brown buttons up the front and two pockets, also with buttons.
Det Ch Insp Mark Hall said no clear motive had emerged in the four months since the murder.
"The sense of shock and sadness remains, but Essex Police also remain determined and focused on identifying those responsible," he said.