Fiosrú to probe garda’s gun holster in Castlerea murder case (2020)

What the Horkan family has been seeking is a public inquiry. What they got this week is an independent investigation by Fiosrú, the Office of the Police Ombudsman, into the one piece of equipment that sat between Colm Horkan and the man who killed him: his firearm holster. Justice Minister Jim O’Callaghan wrote to Police Ombudsman Emily Logan on Monday, November 2, 2026, asking her office to examine the “safety and suitability” of the holster Horkan was wearing on June 17, 2020, the night Stephen Silver wrested the gun free and shot him dead in Castlerea, Co Roscommon, as The Irish Times reported.

The timing matters. The announcement landed the same day the Dáil debated a Private Members’ Motion on whistleblower protections, and it comes while Silver’s appeal against his 2023 murder conviction remains live. Fiosrú said it has already contacted the Horkan family and will make no further comment while the investigation runs.

The holster at the center of it

Horkan was on patrol on Castlerea’s main street that evening after receiving a report about a motorcyclist driving recklessly. He stopped Silver. Silver took Horkan’s gun from its holster and shot him multiple times — the Irish Examiner puts the toll at 11 rounds. The weapon that killed a serving detective was, in the most literal sense, his own.

Garda Colm Horkan was shot and killed by Stephen Silver in Castlerea, Co Roscommon, in June 2020 — Photo: The Irish Times

That fact has haunted the case ever since, because questions about the holster were raised long before the murder. The Horkan family says protected disclosers had repeatedly warned that this holster was faulty, “not fit for purpose,” and “made by a saddlery.” Their statement, carried by the Irish Examiner, describes it as “pliable leather” that “did not have the necessary stability to prevent movement and removal of the gun from the holster.” Six days before Horkan was killed, another garda accidentally shot himself outside the Israeli embassy in Dublin, suffering life-changing injuries from what the family says was the same faulty design. Detective Superintendent Brian O’Reilly later made a protected disclosure about the holsters and the faults detected in them, a disclosure that featured in an RTÉ Investigates programme aired in September.

One detail the outlets disagree on: RTÉ.ie describes Horkan as 43, while The Journal reports he was 49. Either way, he was a garda in the prime of his career when he was murdered.

Richard O'Donoghue challenges Garda investigation over holster

A family told to wait — again

The family renewed their calls for an inquiry just last month. This week’s Fiosrú referral does not meet that demand, and their reaction, relayed through the Irish Times, was blunt: they called the move “complete nonsense” and a means “to kick this can down the road, to get it off the agenda.”

O’Callaghan’s position, stated in the Dáil, is that Colm’s murder “shocked us all,” but that it is “important to allow for the conclusion” of the appeal, an inquest, and other matters “before considering if there is a need for a public inquiry.” He said he had met the Horkan family several times, most recently the week before, and was aware of their call for a full public inquiry. O’Callaghan said he is of the view that these are matters of public interest that require independent examination by Fiosrú. He added that he is confident that the referral by him can provide the Horkan family and the public with the answers that they deserve.

Fiosrú to probe garda’s gun holster in Castlerea murder case (2020) — Photo: Irish Examiner

He added that it is “not the first time” he has written to Fiosrú on the matter, and that he will consider what “further investigation” is needed if issues remain outstanding.

Whistleblowers and the holster, side by side

The same Dáil debate that raised the holster question also addressed the handling of Garda whistleblowers. Aontú leader Peadar Tóibín, introducing the Independent Technical Group motion, said “a lack of minsterial oversight” sits at the heart of the problem and that “in some cases, in my view, ministers breaking the law.” He argued protected disclosures were meant to let “good people who see wrong doing” report it safely, but that instead good people are “being punished,” warning: “In future good people will shut up.”

Colm Horkan's brother calls for inquiry into Garda holsters | Prime Time

Independent Ireland leader Michael Collins backed the motion and pointed directly at the Horkan case and the questions over the holster he was issued. Tóibín also raised “serious” questions about statements made by senior Garda management regarding holster safety, and cited the case of Shane O’Farrell, who died in a hit-and-run in Co Monaghan in 2011 — a public interest report was never given to the O’Farrell family, and Fiosrú refused Oireachtas justice committee requests to release it, a precedent that now hangs over this new investigation.

Why Fiosrú, and why now

O’Callaghan told the Dáil Fiosrú has all the powers needed to fully investigate the holster matter, and Fiosrú confirmed it will “commence its independent investigation” with no further comment. The Garda Commissioner, Justin Kelly, has separately committed to meeting the Horkan family next month, telling reporters: “Myself as the Garda Commissioner, obviously, and the whole wider Garda family – our hearts go out to the Horkan family.” He said he would discuss “a lot of these things” with them, adding that it was “probably not appropriate to discuss them publicly now.”

The family’s skepticism is rooted in a pattern: a convicted killer’s appeal still pending, a watchdog investigation instead of the public inquiry they want, and a history — in the O’Farrell case — of watchdog reports that never reach the families waiting for them. Whether Fiosrú can break that pattern is the open question now sitting with Emily Logan’s office.

For the people of Castlerea and for every garda now checking their own equipment, the referral is a start. For the Horkan family, six years after the murder, it is another wait.