A woman has been arrested in Co Tipperary in relation to the death of 32-year-old Renars Tuleiko last April.
Mr Tuleiko's body was found in a field outside Thurles on the night of 15 April. He had a number of stab wounds.
The woman in her 30s was arrested in Borrisoleigh, Co Tipperary and is being questioned at Thurles Garda Station
Gardaí are consulting with the DPP who will decide if the woman will be brought to court to face a charge in relation to the man's death.
The woman can be held for up to 24 hours.