Court archive

Court reports mentioning the name Garrett O'Brien

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2018-02-20 · Tallaght, Dublin

Gary Flynn loses appeal against gangland murder conviction

Gary Flynn, aged 32, of Rossfield Drive, Tallaght, lost an appeal against his conviction for the murder of Seamus Shay O'Byrne, which occurred at the victim's home on 13 March 2009. Flynn pleaded not guilty at the Central Criminal Court. After a nine‑week trial, the jury found him guilty of murder in one hour and forty minutes, and he received a…

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2017-10-20 · Tallaght, Dublin

Man convicted for gangland murder brings appeal over seizure of mobile phone data

The Court of Appeal has reserved judgment in an appeal brought by Gary Flynn, who was convicted of the 2009 gangland murder of Seamus Shay O'Byrne in Tallaght. Flynn, who pleaded not guilty at the Central Criminal Court, received a mandatory life sentence in 2016. He is the third person jailed for the crime, following the convictions of Garrett…

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2017-06-27 · Tallaght, Dublin

Secrecy of jury deliberations a "hallmark of our criminal legal system"

In a 2017 Court of Appeal decision, the appeal of Garrett O'Brien, convicted of murdering Seamus O'Byrne, was dismissed. O'Brien, aged 40, had pleaded not guilty to the 2009 killing of the 27‑year‑old father‑of‑two at his home in Tallaght. A jury at the Central Criminal Court found him guilty and imposed a mandatory life sentence. The appeal…

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2017-05-04 · Tallaght, Dublin

Unknown whether murderer was convicted of being gunman or "gopher", lawyers submit

In 2012, Garrett O'Brien, 39, was convicted of murder and sentenced to life imprisonment for the killing of Seamus O'Byrne, 27, in Tallaght. O'Brien's lawyers argue that his fair‑trial rights were violated because the jury never clarified whether he was found guilty as the gunman or merely a "gopher" in a joint enterprise. They claim the…

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2016-03-16 · Tallaght, Dublin

Dublin man becomes third to be convicted of 2009 gangland murder

A Dublin man, Gary Flynn, aged 31, was sentenced to life imprisonment for the 2009 murder of Seamus Shay O'Byrne in Tallaght. The trial lasted nine weeks, with the jury taking one hour and forty minutes to convict. Flynn pleaded not guilty. The judge, Mr Justice Patrick McCarthy, backdated the sentence to October 2013, the date of Flynn's arrest…

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