Garda Commissioner vows to hold those accountable

The Garda Commissioner's promising to identify who's responsible for the one million fake breath tests - and hold them accountable.

Noirín O'Sullivan appeared before the Justice Committee for four hours, but says so far they can't say for certain what happened. 

She repeated her assertion that what happened was "at worst deception and at best incompetence", adding some Gardaí may have acted dishonestly. 

Commissioner O'Sullivan promised they would get to the bottom of it: 

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