More than 150 CCTV images have been released by detectives in a fresh bid to find Nahid Almanea’s killer.
Ms Almanea, 31, was stabbed to death on the Salary Brook Trail between Colchester’s Greenstead estate and the University of Essex, where the Saudi national was a student, on June 17.
No motive has yet been established for her killing.
Essex Police have published 159 CCTV images of more than 70 people from cameras in the surrounding area in a bid to find potential witnesses – and possibly the killer.
Detective Chief Inspector Mark Hall, senior investigating officer, said: “We have released these images of potential witnesses walking near the scene. They may have come from the direction of the Salary Brook Trail and may hold vital information.
“I am making a personal plea for people to come forward. Think back to that morning in June and ask yourself if you were close to Avon Way, the Salary Brook Trail or the university campus.
“If you were then look at our website and if you recognise yourself or someone you know please call the dedicated phone number.”
Detectives are still trying to trace a man seen on the trail between 10.20am and 10.40am, who was wearing a distinctive Italian designer beige jacket with a belt. It was just over waist length and nad brown buttons up the front, with two pockets also with buttons.
He was walking on the footpath near the underpass on the A133 side of the Salary Brook Trail.
Det Ch Insp Hall added: “More than four months have passed since Nahid was murdered. The sense of shock and sadness remains, but Essex Police also remain determined and focused on identifying those responsible.
“We continue to keep an open mind as my team of experienced detectives supported by other specialists continue to actively pursue a wide range of enquiries. Family liaison officers are in regular contact with Nahid’s family in Saudi Arabia.
“For her parents, brothers and sisters the agony of not knowing why Nahid was murdered or who killed her continues. Nahid is missed by them, and many others, every day and all are desperate for a break through that will bring justice for Nahid.
“We have had tremendous support from the local community and the university. Today we need that support again as we try to identify as many people as possible from the images released.”
To view the images visit the Essex Police dedicated website.
Anyone with information can call the investigation room on 01245 282103, email scdappeals@essex.pnn.police.uk or call Crimestoppers on 0800 555 111.
There is a Crimestoppers reward of £10,000 for information which leads to the conviction of those responsile for Ms Almanea’s murder.
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