Court archive

Court reports mentioning the name Dean Byrne

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2026-07-31 · Louth

Garda murderer Brady's 'contempt' for trial with secret recording lands him with increased sentence

The Court of Appeal has increased Aaron Brady's sentence for perverting the course of justice from three years to five years following a successful appeal by the State. Ms Justice Isobel Kennedy described the offending as an "affront to the administration of justice," noting it was pre-meditated and insidious. Brady, who is serving a life…

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2026-06-19 · Dublin

Criminal who tried to dissuade witness in garda murder trial seeks to overturn conviction

The Supreme Court will hear an appeal by Dean Byrne, a Dublin man with over 120 convictions, challenging his 2024 Special Criminal Court conviction for conspiracy to pervert the course of justice. Byrne was sentenced to two years for allegedly conspiring with Aaron Brady to dissuade witness Daniel Cahill from testifying in Brady's murder trial.…

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2025-12-03 · Dublin

Criminal who conspired with garda murderer over trial witness loses appeal

Dean Byrne (32) has lost his appeal against a conviction for conspiring to pervert the course of justice in the trial of garda murderer Aaron Brady. Byrne had attempted to dissuade witness Daniel Cahill from giving evidence by sending his garda statement to a third party. Mr Justice Brian O'Moore dismissed Byrne's appeal, stating that the use of…

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2025-02-20 · Mountjoy, Dublin

Violent criminal claims he had 'benign' motive for attempted witness interference in garda killer's trial

In the Court of Appeal, Dean Byrne, aged 31, claimed he had a "benign" motive for attempting to persuade witness Daniel Cahill not to give evidence in the trial of garda murderer Aaron Brady. Lawyers for Byrne argued that Byrne honestly believed Cahill would give false evidence and that his actions were not intended to pervert the course of…

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2024-05-29 · Mountjoy, Dublin

Aaron Brady sentencing hearing adjourned

The Special Criminal Court adjourned the sentencing hearing for Aaron Brady, who murdered Detective Garda Adrian Donohoe, and the related proceedings concerning Brady's alleged campaign of witness intimidation during his 2020 trial. The court was also scheduled to hear evidence on Dean Byrne, who denies conspiring with Brady to pervert the course…

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2024-05-01 · Mountjoy, Dublin

Criminal accused of attempting to persuade garda murder trial witness not to give evidence was 'trying to secure justice', defence claim

Dean Byrne, 30, of Cabra Park, Phibsborough, Dublin, is on trial in the Special Criminal Court for conspiring with Aaron Brady in Mountjoy Prison to persuade prosecution witness Daniel Cahill not to give evidence at Brady's murder trial. Byrne's defence, led by Padraig Dwyer SC, argues that Byrne genuinely believed Cahill would perjure himself…

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2024-04-30 · Mountjoy, Dublin

Prosecution expected to complete evidence in Garda murder witness conspiracy trial

In the trial of Dean Byrne, a 30‑year‑old from Cabra Park, Phibsborough, the prosecution is set to finish its evidence tomorrow. Byrne, who was in Mountjoy Prison when arrested on 8 October 2020, is accused of conspiring with Aaron Brady to persuade witness Daniel Cahill not to testify at Brady's 2020 murder trial. Byrne denied owning a mobile…

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2024-04-24 · Mountjoy, Dublin

Garda murderer was enhanced prisoner with access to laptop, conspiracy trial hears

Aaron Brady, who killed Garda Adrian Donohoe, was an enhanced prisoner in Mountjoy with special privileges, including a laptop for reviewing evidence. He was housed on the D‑wing basement floor, a level reserved for inmates with good behaviour, and had more freedom to move, attend education, and receive extra phone calls and money. Brady, a…

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2024-04-17 · Mountjoy, Dublin

Witness intimidation accused admits sending photos of statement

During the Special Criminal Court hearing on 17 April 2024, Dean Byrne, aged 30, admitted that he had used a mobile phone found in his Mountjoy prison cell to send photographs of Daniel Cahill's statement to a relative of Cahill. Byrne also admitted that he had sent a message to the relative asking him to persuade Cahill not to testify and that…

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2024-04-16 · Mountjoy, Dublin

Garda murder witness intimidation trial may be shortened by admissions

Dean Byrne, aged 30, is on trial in the Special Criminal Court for conspiring to pervert the course of justice by persuading prosecution witness Daniel Cahill not to testify at Aaron Brady's murder trial. The trial, originally set for 14 weeks, may be shortened to two or three weeks if Byrne makes a number of admissions tomorrow. Padraig Dwyer SC…

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2024-04-15 · Dublin

Witness told family would 'get it' if he gave evidence against garda killer, trial hears

During a Special Criminal Court hearing, Detective Inspector Mark Phillips reported that witnesses who had spoken to Gardaí about Aaron Brady's admission of killing Detective Garda Adrian Donohoe feared retaliation if they testified. Phillips cited ten witnesses who did not attend Brady's 2020 murder trial, citing threats or intimidation from…

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2024-04-11 · Jenkinstown, Louth

Garda killer Aaron Brady admits to perverting course of justice with 'tout' video

Aaron Brady, who was convicted in 2020 of murdering Detective Garda Adrian Donohoe, pleaded guilty at the Special Criminal Court to perverting the course of justice. He admitted to recording footage of an interview between gardai and witness Ronan Flynn, which was subsequently posted online accusing Flynn of "touting." Brady did not enter a plea…

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2024-04-10 · Jenkinstown, Louth

Trial of Garda killer for perverting justice delayed for third day

The trial of Aaron Brady for perverting the course of justice has been postponed for a third day after the Director of Public Prosecutions and Brady's lawyers held discussions. Brady's counsel, Michael O'Higgins SC, said he had received an instruction from Brady that prompted the matter to be presented to the DPP. Prosecutor Lorcan Staines SC…

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2024-04-08 · Jenkinstown, Louth

Lawyers for Aaron Brady concerned about publicity from upcoming trial

Lawyers for Aaron Brady, who shot Detective Garda Adrian Donohoe in 2013, warned that the upcoming trial for perverting the course of justice could generate damaging publicity. Michael O'Higgins SC told the Special Criminal Court that Brady is still awaiting the outcome of an appeal against his murder conviction. If the appeal succeeds, a retrial…

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2023-02-02 · Jenkinstown, Louth

Garda killer's conspiracy trial delayed until appeal is heard

Aaron Brady, aged 31, is awaiting a new trial for conspiracy to pervert the course of justice, a charge that arose from attempts to persuade State witness Daniel Cahill not to testify in the murder case of Detective Garda Adrian Donohoe. The Special Criminal Court postponed the trial to April 8 2024 to avoid conflict with Brady's October appeal…

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2022-07-29 · Jenkinstown, Louth

Garda killer Brady gets trial date over leaked witness video

Aaron Brady, aged 31, and Dean Byrne, aged 29, are set to stand trial at the Special Criminal Court on charges of conspiring to pervert the course of justice. They are accused of attempting to persuade State witness Daniel Cahill not to testify during Brady's 2020 murder trial for the killing of Garda Adrian Donohoe. Brady's trial, which ran from…

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2022-05-23 · Louth

Garda murderer Brady to stand trial at non-jury court on perversion of justice charge

Aaron Brady, a former Garda convicted of murdering Detective Garda Adrian Donohoe in 2013, and Dean Byrne are to stand trial at the Special Criminal Court on charges of conspiring to pervert the course of justice during Brady's 2020 trial. Brady, aged 31, and Byrne, aged 29, are accused of attempting to persuade prosecution witness Daniel Cahill…

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2017-12-19 · Dublin

Grandmother lifted in hoist after prison riot

At Dublin Circuit Criminal Court, Eric Harcourt pleaded guilty to violent disorder at Cloverhill Prison, Clondalkin, Dublin, on July 29, 2015. Judge Martin Nolan found Harcourt to be an active participant in the disorder and imposed a six-month sentence consecutive to his current jail term, which is due to expire in April 2019. Harcourt was on…

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2017-03-02 · Dublin

Five appeal sentences for aggravated burglary described as "catalogue of horrors"

In 2015, seven men pleaded guilty to aggravated burglary at the Corcoran family home in south Tipperary. Five of them—Patrick Gately, Dean Byrne, John Joyce, Patrick Joyce and Thomas Flynn—received sentences ranging from 12 to 20 years, with varying suspended portions. The men appealed in 2017, arguing that the sentences were too severe. Counsel…

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2017-02-24 · Tallaght, Dublin

Pair disguised with false beards have "very lenient" firearms sentence upheld

In 2016, Michael Finlay, 37, of Maplewood Road, Tallaght, and Dean Byrne, 25, of Drumcairn Park, Tallaght, were convicted by the Special Criminal Court of unlawful possession of a loaded 9mm semi‑automatic pistol and magazine, and of 9mm ammunition, after a surveillance operation on a Renault Kango van. The van, previously stolen, was being…

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2016-12-12 · Dublin

Men who received sentences of up to 20 years for aggravated burglary set to appeal

In 2013, five men—Patrick Gately (29), Dean Byrne (23), John Joyce (22), Patrick Joyce (24), and Thomas Flynn (22)—pleaded guilty to aggravated burglary at the Corcoran family home in south Tipperary. Judge Thomas Teehan sentenced them on 1 October 2015: Gately and Byrne received 20‑year terms with the last four years suspended; Joyce received 15…

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2016-06-16 · Tallaght, Dublin

Pair found guilty of firearms offences

Two Dublin men, Michael Finlay (36) and Dean Byrne (24), were found guilty by the Special Criminal Court of possessing a 9mm semi‑automatic pistol, a fully‑loaded magazine, and various rounds of 9mm ammunition at Glenshane Crescent, Tallaght, on 5 June 2014. Both pleaded not guilty to the unlawful possession charges. The court heard evidence from…

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2016-06-10 · Tallaght, Dublin

Judgement expected next week in firearms trial

In a Special Criminal Court hearing, two Dublin men, Michael Finlay (36) and Dean Byrne (24), were tried for unlawful possession of a 9mm semi‑automatic pistol and ammunition. Gardaí observed them in disguises inside a stolen Renault Kangoo van in June 2014. Finlay was seen holding the handgun, which he later dropped when ordered by Detective…

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2016-06-09 · Tallaght, Dublin

Firearms trial hears of stolen van

In a Special Criminal Court hearing on 9 June 2016, two Dublin men, Michael Finlay (36) and Dean Byrne (24), were tried for unlawful possession of a 9mm semi‑automatic pistol, a magazine and various rounds of ammunition at Glenshane Crescent, Tallaght on 5 June 2014. Both pleaded not guilty. The prosecution presented evidence that a Kildare man's…

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2016-06-08 · Tallaght, Dublin

Accused failed to account for firearm, trial hears

During the Special Criminal Court trial, evidence was presented that Michael Finlay (36) and Dean Byrne (24) were accused of unlawfully possessing a 9mm semi‑automatic pistol and ammunition at Glenshane Crescent, Tallaght, on 5 June 2014. The prosecution alleged that in June 2014 Gardaí investigating suspected IRA activity observed the pair in a…

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2016-06-07 · Tallaght, Dublin

Firearms accused disguised with fake beards, trial hears

In a Special Criminal Court hearing on 7 June 2016, Michael Finlay, 36, and Dean Byrne, 24, pleaded not guilty to unlawful possession of a 9mm semi‑automatic pistol and magazine, and to possession of 9mm ammunition, alleged to have occurred at Glenshane Crescent, Tallaght, on 5 June 2014. Detective Superintendent Tom Maguire, of the Special…

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2014-11-06 · Tallaght, Dublin

Dublin man facing IRA membership and firearms charges remanded in custody

In a Special Criminal Court hearing on 6 November 2014, Dean Byrne, 23, of Drumcairn Park, Tallaght, was remanded in custody after being charged with membership of an unlawful organisation styled the Irish Republican Army (IRA) and with unlawful possession of a 9x18mm Makarov PM pistol, its magazine and 10 rounds of 9x18mm ammunition. The charges…

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2014-07-29 · Tallaght, Dublin

IRA accused protests use of video link in court

Michael Finlay, 35, and Dean Byrne, 22, were arrested in Tallaght in June on charges of IRA membership and unlawful possession of a handgun. They appeared in court via video link from Portlaoise Prison. Finlay protested the use of video, claiming it breached his constitutional rights and demanded physical presence at future proceedings. He…

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2014-06-24 · Tallaght, Dublin

Bail for Dublin man on IRA and firearms charges

Dean Byrne, 23, of Drumcairn Park, Tallaght, was charged with membership of the Irish Republican Army and unlawful possession of a 9x18mm Makarov pistol and ammunition. He was arrested by the Special Detective Unit and Garda Crime and Security on 5 June 2014. The Special Criminal Court granted him bail on a €1,000 personal bond, with an…

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2014-06-06 · Tallaght, Dublin

Two Dublin men charged with IRA membership and possession of a semi-automatic pistol

Two men, Michael Finlay, 35, and Dean Byrne, 22, appeared before the non‑jury Special Criminal Court in Dublin on 6 June 2014. They were charged with membership of the Irish Republican Army (IRA) and with unlawful possession of a 9x18mm Makarov PM semi‑automatic pistol, a magazine and 10 rounds of 9x18mm ammunition. The arrests were made by the…

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