The Dáil has heard an appeal that it examine the workings of the Garda Síochána Ombudsman Commission after it emerged a garda is to face prosecution following an incident on the N7 two years ago.
"We need as a legislator to look at GSOC," Labour TD Alan Kelly said.
He condemend as "outrageous" the decision to prosecute a garda "because he did his duty".
"The people of this country are outraged at this," he added.
The three victims - Dean Maguire, 29, Karl Freeman, 26 and Graham Taylor, 31 - were killed instantly when their BMW burst into flames following a head-on crash with a truck between Citywest and Baldonnel on 7 July 2021 while they were driving on the wrong side of the carriageway.
Mr Kelly noted that a GoFundMe page has already raised €32,000 for the garda.
"I know this garda," he said, "to be a diligent worker and as diligent as they come."
The Ceann Comhairle warned him to be careful in what he said.
"He still does not know what he is being charged with," Mr Kelly said.
"Who in the name of god would join An Garda Síochána if this is how they are treated. This is not acceptable."
In relation to "decision to prosecute or not", Minister for Social Protection Heather Humphries said that "we can't discuss that in the Dáil", but added that legislation going through the House might offer an opportunity to do so.
Read more: Garda to face prosecution over N7 crash that killed three men
