Latest: Noirín O’Sullivan to tell Oireachtas she fears falsification may not be confined to traffic data

Latest: Crisis-hit garda commissioner Noirin O’Sullivan "fears" the phantom drink driving tests scandal which has led to calls for her to resign may not be confined to the force’s traffic section, writes Fiachra Ó Cionnaith.

Update 4.30pm: Crisis-hit garda commissioner Noirin O’Sullivan "fears" the phantom drink driving tests scandal which has led to calls for her to resign may not be confined to the force’s traffic section, writes Fiachra Ó Cionnaith.

In a statement set to be made to the Oireachtas justice committee on Thursday morning, Ms O’Sullivan will make the stark admittance and claim a "collective failure" has caused the controversy.