Formal identification has now taken place of the body of a man found in Billing Brook Road, Northampton, in January.
Police have confirmed the man to be 32-year-old Adeyemi Olugbuyi, who was last seen in that area in September 2013.
A murder enquiry was launched following the discovery of the body on Tuesday, 26 January 2016.
Two men, aged 43 and 29, from Northampton, were arrested in February on suspicion of murder and released on bail pending further inquiries.
The investigation into Mr Olugbuyi s death is continuing and anyone with any information is asked to contact Northamptonshire Police on 101. Alternatively, they can contact independent charity Crimestoppers on 0800 555111.