From top: Garda whistleblower Nicky Keogh (centre) arriving at Dublin Castle this morning, Mrs Justice Sean Ryan
The Disclosures Tribunal resumed with new chairman Justice Seán Ryan setting out the terms of reference .
This phase will deal with complaints made by a member of An Garda Síochána alleging that they were targeted after making a protected disclosures .
The first case to be heard is that of Garda Nicky Keogh, who, in 2014, made a formal complaint to the confidential recipient about the alleged involvement of a garda in the supply of heroin in Westmeath, Offaly and Longford.
Previously: Nicky Keogh On Broadsheet