The parents of murdered Armagh man Paul Quinn have spoken publicly for the first time about their son's death.
Briege Quinn said her family was struggling to come to terms
The 21-year-old was beaten to death by nine men at a farm in County Monaghan last month.
His family blame the IRA for killing him after he had refused to leave the country, but Sinn Fein deny any republican involvement.
Briege Quinn said her family was struggling to come to terms with Paul's death.
"We thought this day was gone - the days of murdering anyone were gone," she said.
"Isn't that what the peace process is for?
"I do not know how the people who did it can go to bed at night, because I can't get up on the mornings to face the day.
"I do not want any retaliation of any kind. I just want everybody to go to the Garda and the PSNI and give them anything they know."
On Monday, an Ulster Unionist peer alleged in the House of Lords that senior south Armagh republicans were responsible for the murder.
Using parliamentary privilege, Lord Laird claimed Mr Quinn had been killed as a result of a dispute with the son of a senior republican from the area.
He alleged that IRA or former IRA members were involved in his death.
Mr Quinn died after being assaulted by nine men in Castleblaney, County Monaghan last month.
No-one has been charged in connection with his death.
Mr Quinn died after being assaulted by nine men in Castleblaney
Meanwhile, a new group has been set up in Cullyhanna in County Armagh to support the Quinn family and the families of others who claim they have been beaten up by the IRA.
The group is chaired by former Sinn Fein member Jim McAlister.
"We do believe it is time that people stood up and said 'no, we have had enough of this and this must now stop'," he said.
"It is sad that it has taken the murder of a young man to bring it to this stage, that we are now more and more willing to stand up and say stop."