Nobody has ever been charged in connection with the bombings on May 17th 1974 – in which 33 people and an unborn child were killed.
21 year old Breda Turner from Thurles and Hollyford native Maureen Shields aged 46 were among the victims.
The launch by Justice for the Forgotten – which represents victims of the bombings – comes just before the 40th anniversary of the atrocity this weekend.
The Barron report – published in 2003 – found that the Gardai had failed to properly investigate the bombings and had closed their inquiries prematurely.
British security forces are believed to have colluded with the UVF who claimed responsibility for the attack.
The British government has refused to release security files that relating to the attack.