The Cory Collusion Inquiry was established to conduct an independent inquiry into deaths relating to the 'Troubles' in Northern Ireland.
A retired Supreme Court of Canada judge, Peter Cory was appointed to undertake a thorough investigation of allegations of collusion between British and Irish security forces and paramilitaries in six particular cases in Northern Ireland. Two of the cases - the killing of two Royal Ulster Constabulary officers and the killing of Northern Ireland Lord Justice Maurice Gibson and Lady Cecily Gibson - relate to allegations of collusion by the Garda Síochána and these reports were submitted to the Irish government.
In the case of the two RUC officers, who were killed in an ambush by the Provisional IRA on 20 March 1989, Cory considered all the relevant material, including intelligence reports, and concluded that evidence was revealed that, if accepted, could be found to constitute collusion. As a result, he recommended a public inquiry into the matter. The Smithwick Tribunal is currently considering evidence (as of October 2006).
In the case of Lord Justice and Lady Gibson, who were killed in a car-bomb explosion by the Provisional IRA on 25 April 1987, Mr Justice Cory concluded that there is no evidence of collusion by the Garda Síochána or any other Government agency that would warrant the holding of an inquiry.
The other four cases - the murders of Pat Finucane, Robert Hamill, Rosemary Nelson and Billy Wright - relate to allegations of collusion by British security forces and these were submitted to the British Government.
Cory recommended in all four cases that the UK Government hold public inquiries:
On 7 June 2005 the British government passed the Inquiries Act 2005, limiting the scope of the inquiries proposed by Cory, which Cory has criticised, stating that it "...would make a meaningful inquiry impossible"