January 2012: Justice Minister Alan Shatter receives report from former Garda Confidential Recipient Oliver Connolly over allegations of garda misconduct

September 2013: Comptroller and Auditor General (C&AG) finds failings in the penalty points system

January 23rd 2014: Former Commissioner Martin Callinan tells the Public Accounts Committee that allegations raised by garda whistleblowers against colleagues are "quite disgusting"

February 24th: Fianna Fáil leader Michael Martin says another garda whistleblower has come forward to him with information about alleged corruption

February 25th: Martin Callinan says the force looks forward to fully co-operating with a review of claims of misconduct, after Taoiseach Enda Kenny confirms Senior Counsel Seán Guerin has been appointed to examine a dossier of documents handed to him by the Fianna Fáil leader

March 13th: Taoiseach says reports & investigations conducted into the points system would not have happened had it not been for the whistleblowers

March 20th: Transport Minister Leo Varadkar describes the actions of the whistleblowers as 'distinguished'

March 21st: The Taoiseach says he would prefer if government ministers aired their view at the Cabinet table rather than raise them in public

March 21st: Education Minister Ruairi Quinn appears to defy the Taoiseach & calls on the Garda Commissioner to withdraw his comments about the garda whistleblowers

March 24th: Taoiseach says the Cabinet will discuss an apology from Martin Callinan at the Cabinet meeting tomorrow

March 25th: Martin Callinan resigns as Garda Commissioner