Eight weeks on from the murder of a man in Colchester, detectives have renewed their appeal to find a cyclist in Castle Park. 

Officers believe the man seen in the CCTV image was riding his bike through the park just before 1pm, as the clock on the image is an hour fast. 

Mr Attfield was found seriously injured with over 100 stab wounds in Castle Park off Guildford Road shortly before 6am on Saturday, March 29.

He died a short time later at the scene.

The 33-year-old man from East Bay in the town was last seen in the River Lodge Public House on Middleborough on Friday, March 28.

He left there shortly after 10pm and police are continuing to piece together his last movements from witness accounts.

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The man shown above has yet to come forward despite his picture being shown on television, online and in print. 

Senior Investigating Officer, DCI Simon Werrett, said: "Although the image is slightly distorted because of the lack of light and shadows, we hope that this cyclist will recall being in the park near the lake by looking at their image and the time-stamp on it. We urge to them to contact us so that we can talk to them and find out what they were doing in the park and then hopefully dismiss them from the enquiry. We want to move on and concentrate fully on potential suspects.”

In total, seven people require possible elimination from the murder investigation.

To help jog memories, police are releasing images of the last day’s movements of James Attfield as he walked through the town centre.

A Crimestoppers reward of up to £5,000 still remains on offer for information which leads to the arrest and conviction of the person or people responsible for the murder.

Anyone with information is asked to call Essex Police on 101 or Crimestoppers anonymously on 0800 555111.

A man and a woman, both aged 27 and from Colchester, are currently on police bail until Wednesday, July 9 after having been arrested in connection with the murder.