Two further arrests have been made in connection with the Jamie McMahon murder inquiry.
A 25-year-old man was arrested in Northampton, on Saturday, October 19, and a 27-year-old man from Northampton was arrested yesterday (Monday), both on suspicion of handling stolen goods.
Both men have been released on bail pending further inquiries.
Two other men, a 38-year-old and a 44-year-old, from Northampton, who were arrested on October 12 and 13, on suspicion of handling stolen goods, remain on bail.
The two men charged with the murder of Mr McMahon, as well as robbery, have appeared before Birmingham Crown Court for preliminary hearings this week.
Mark Lewis, aged 19, of Clickers Drive, Upton, appeared yesterday, and Michael Francis, aged 32, of St James Road, Northampton, appeared today, via video link.
No bail applications were made and both men have been remanded back into custody.
Mr McMahon, aged 26, from Abbey Road, Northampton was found dead by a member of the public at around 7.45am on Wednesday, October 2, in St Giles Churchyard. His wallet and mobile phone were stolen in the attack.