The former senior police officer responsible for investigating the 1974 Dublin and Monaghan bombings has said he received access to never-before-seen top secret material.
Iain Livingstone is leading a number of historic investigations into the Troubles.
These include Operation Denton, an investigation into the Glennane Gang, which was a group of loyalist paramilitaries, and rogue soldiers and police officers.
They are blamed for approximately 120 sectarian murders in the 1970s and 1980s, and are suspected of carrying out the Dublin and Monaghan bombings.
This week some fifty years ago 34 people died after three no warning car bombs exploded almost simultaneously in Dublin during evening rush hour.
A fourth bomb exploded in Co Monaghan around an hour and a half later.
It is the deadliest attack of the Troubles, but nobody has ever been brought to justice.
Top secret access given to Dublin-Monaghan bombing probe
The former senior police officer responsible for investigating the 1974 Dublin and Monaghan bombings has said he received access to never-before-seen top secret material.
