The Morris Tribunal into garda corruption has spent the day hearing evidence behind closed doors in Dublin.
The inquiry went into an in-camera session late yesterday to consider documents related to two detective garda witnesses, remaining private for the whole day and set to resume as such next week.
The tribunal, headed by former High Court President Mr Justice Frederick Morris, is investigating allegations of improper garda activities in Co Donegal during the 1990s.
The current module of the inquiry is looking into claims that alleged garda informer Adrienne McGlinchey, together with Detective Garda Noel McMahon and Superintendent Kevin Lennon, prepared explosives that were planted in locations to subsequently found in bogus garda strikes against terrorism.
Both officers, who are currently suspended, have denied the allegations, and Ms McGlinchey has rejected claims that she was ever in the IRA or operated as an informer.