A man who was arrested in relation to the investigation into the murder of Marie Tierney has been released without charge.
The man - who is in his 70s - was arrested yesterday morning.
Marie Tierney - a married mother of two - went missing from her home in Jenkinstown in Kilkenny on October 22nd, 1984.
The 34-year-old's body was found by Gardaí during a search of the Bleach Road in Kilkenny two months later.
Yesterday's arrest was the first in connection with the inquiry, but he has been released and a file will now be prepared for the DPP.