Former justice minister Frances Fitzgerald received a hard copy of an email which detailed the legal strategy being taken by An Garda Síochána against whistleblower Sgt Maurice McCabe, the Disclosures Tribunal has heard.

Former justice minister Frances Fitzgerald was shown an email and a print-out outlining a challenge by legal representatives of Garda Commissioner Noirin O'Sullivan to the credibility of garda whistleblower Sgt Maurice McCabe, the Charleton tribunal has heard.