A senior garda told the Disclosure Tribunal that a perceived grievance of Sergeant Maurice McCabe was the “spark that lit the fuse” in adopting a Garda legal strategy to target the motivation and credibility of Sgt McCabe at the O’Higgins commission in 2015.

A garda witness has told the Charleton Tribunal that former Commissioner Nóirín O'Sullivan did not contribute to a document which outlined legal instructions to challenge whistleblower Maurice McCabe's motivation.

A state solicitor was so concerned about the strategy to undermine Garda whistleblower Maurice McCabe at the commission investigating his allegations that she made a late-night weekend phone call to the Garda head of legal affairs to alert him to what was happening.

A decade-old indecent assault allegation against whistleblower Sgt Maurice McCabe was discussed at a meeting between gardaí and lawyers days before the O'Higgins commission of inquiry began hearings.

The High Court has heard gardaí are in a "Catch-22" situation when trying to move water protesters from inside barriers where water meters are being installed because it is not a public area and the Public Order Act does not apply.