Published Wednesday, 24 October 2012
Paul was 21 when he was abducted in South Armagh and brutally beaten to death in remote outbuildings in Co Monaghan.
His parents blamed the IRA - a claim Sinn Féin has always vehemently denied.
Despite nine arrests and an extensive police investigation on both sides of the Irish border, no one has been charged over the brutal murder.
The horrific attack on the young lorry driver saw him lured into a barn just across the border from his Cullyhanna home and savagely beaten with iron bars until almost every major bone in his body was broken.
Now, as the five year anniversary of the murder approaches, there is new hope for Paul's family, as police in the Republic are looking at the case again.
"I have great faith," Breege Quinn told UTV. "I pray and as I say I believe in the Gardaí so I don't find it hard to keep that hope up."
They were there waiting to take his life, and they did. And left us with no son. And left James and Cathy without a brother. So that's hard to live with every day.
"It's just upside down our lives, it's just unreal to think that our young son got a phone call and there was a gang of men there to murder him, which they had planned for many days.
"Because they had everything ready - their iron bars, they had their suits, they had their balaclavas. And they knew Paul would help them.
"And because they thought, people thought that you don't fight certain people in South Armagh. They knew that he would go to help them, because Paul would go to help anyone, that was the sort of him.
"It's in my mind morning, noon and night. I can look out my back window... a few miles down the road is where it happened."
Gardaí have urged anyone with information to come forward to help the Quinn family "bring closure to this terrible time in their lives."
Ms Quinn claims that Sinn Féin knows "exactly" who carried out the attacks, but the party maintains the IRA was not responsible.
Ms Quinn said: "Gerry Adams knows them, Martin McGuinness knows them, Conor Murphy knows them. Local Sinn Féin councillors know them in South Armagh. But no, they keep quiet. That's the way they are. They look after their own."
On Wednesday Sinn Féin categorically denied that anyone in the party knows who was involved in the murder.
Describing the killing as an "appalling crime", a spokesman said the party supported the family's call for justice and urged anyone with information to go to the PSNI or the Gardaí.
"I'll never see him walk through my back door again," Breege told UTV Live Tonight. "I have to live with losing my son. I can hear his voice. Every day."
Paul's father, Stephen, added: "I think it's going to catch up with them, one way or another. If the guards and the PSNI don't get them, their conscience will catch up with them.
"We're very hopeful."
© UTV News