Police investigating the murder of James Attfield in Colchester have arrested another person in connection with the enquiry.
Mr Attfield was struck down in Castle Park and was stabbed more than 100 times.
A 27-year-old woman from Colchester has been arrested and is currently in custody.
A man was arrested last week, but was released without charge.
Detectives investigating the murder of James Attfield are putting up new posters in pubs to try and identify six mystery men.
An appeal for information on the murder of James Attfield in Colchester will feature on the BBC Crimewatch programme tonight.
Detectives investigating the murder of James Attfield are renewing their appeal for a man and woman to come forward.