An inquest into the death of Charles Armstrong, who was abducted near his south Armagh home in 1981, has returned a verdict of unlawful death.
Mr Armstrong, 54, and a father of five children, went missing on his way to mass near his home in Crossmaglen on 16 August 1981.
The jury at the Dublin City Coroner's Court found that Mr Armstrong died a violent and unnatural death at the hands of a paramilitary organisation by a person or persons unknown.
Mr Armstrong's remains were found on 29 July 2010 in a bog near Castleblayney, Co Monaghan.
The inquest heard that due to the length of time his body had been buried it was not possible to determine the cause of death.
However, State Pathologist Professor Marie Cassidy said that Mr Armstrong's skull was badly damaged, which could suggest injury or trauma to the skull, but that could not be proved.
Forensic evidence showed recently discharged firearms residue was found in Mr Armstrong's car, which was located in Dundalk two days after his abduction.
The inquest heard that no organisation has so far claimed responsibility for Mr Armstrong's abduction.
Mr Armstrong's wife, Kathleen, members of his family and representatives of The Independent Commission for the Location of Victims Remains were in court for the inquest.
