A man (34) arrested yesterday over a murder in Co Antrim last July was released last night without charge.
Martin Morgan (41) was shot dead in Firmount Drive, Co Antrim last July.
Detectives believe Mr Morgan's killer or killers fled down an alleyway at the Greystone estate towards nearby Ballycraigy.
They said Mr Morgan had been seen in a bar in the town the evening before his July 7th murder.