The mother of Paul Quinn has made an emotional appeal for information, on the 14th anniversary of her son's death.
The 21-year-old was violently killed by several men in a farm shed near Castleblayney, Co Monaghan, in 2007.
His family believes he was targeted after he had a row with the son of a senior IRA man.
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23 people have been arrested during investigations, but no one's been convicted.
Paul's mother, Breege, says it would be a huge relief to finally solve the case.
