Supreme Court urged to reject phone data used to secure men’s convictions

Appeals are likely to have implications for any potential Supreme Court appeal by Graham Dwyer

Mobile phone data used to secure Special Criminal Court convictions of two men for involvement in an attempted murder should be deemed inadmissible, a seven-judge Supreme Court has been told.

The records, used to connect phones to the co-accuseds, were retained and accessed pursuant to a 2011 Irish law – the same regime under which call data evidence was obtained as part of the case against Graham Dwyer, who was convicted in 2015 for the murder of childcare worker Elaine O’Hara.

The appeals of Caolan Smyth (30) and Gary McAreavey (55) are likely to have implications for any potential Supreme Court appeal Dwyer may seek over his conviction.

Dwyer’s conviction appeal was dismissed last month by the Court of Appeal on all grounds, including in relation to the admissibility of mobile phone call data records.


Smyth is appealing against his 2021 conviction for the attempted murder in May 2017 of James “Mago” Gately and possession of a firearm with intent to endanger life, while co-accused McAreavey is seeking to overturn his conviction for assisting an offender.

Smyth was jailed for 20 years, while McAreavey received a three-year sentence. Both denied the charges.

The prosecution used phone data to connect an unregistered phone to Smyth, to correlate the car’s movements with cell sites and to show contact with another unregistered phone attributed to McAreavey. Neither man conceded ownership of the phones.

Speaking in the Supreme Court on Tuesday, Smyth’s senior counsel, John Fitzgerald, said the evidence was obtained as part of a “systemic breach” of law when infirmities in the Communications (Retention of Data) Act 2011 were “well known”.

The 2020 trial of Smyth and McAreavey came before the Court of Justice of the EU (CJEU) upheld Dwyer’s challenge to the legality of Ireland’s metadata system set out in the provisions of the 2011 Act.

Mr Fitzgerald submitted, however, there were earlier warnings from Europe about the law, albeit that required clarification, so the breach of rights on the part of the State “could not be said to be unconscious”.

“Was it appropriate for the State to wait until it was entirely clear about the legislation” before ceasing to rely on it, he asked, before answering: “I say that is inexcusable.”

Mr Fitzgerald said there should have been an acknowledgment at the trial of a breach of the co-accuseds’ rights and the prosecution should have brought an application seeking to admit the phone evidence despite this breach.

The co-accuseds were put in an “invidious position” by being unable to challenge the breach of their rights unless they accept a plank of the prosecution’s case – that the phones belonged to them.

The Supreme Court should deem the evidence inadmissible and refrain from ordering a retrial, he said. If there is a retrial, however, an appropriate test of admissibility should apply to the phone evidence, he added.

Mr Gately, who the Criminal Assets Bureau alleges is heavily involved with an organised crime group, was shot five times by the driver of a car that pulled up beside him at a petrol station on Clonshaugh Road on May 10th, 2017.

Smyth, formerly of Cuileann Court, Donore, Co Meath, was alleged to be the shooter. The car was later found burnt and McAreavey, formerly of Gort Nua, Castlebellingham, Co Louth, was alleged to have purchased petrol for the purpose of destroying it.

They appealed their convictions and the Court of Appeal held last year that the 2011 Act was still the law of the land when the investigation into the attempted murder was carried out and thus, it enjoyed a presumption of constitutionality.

This was the first Court of Appeal decision on this issue following the CJEU’s ruling on the Dwyer reference.

The Director of Public Prosecutions is due to make submissions on Wednesday.

Ellen O'Riordan

Ellen O'Riordan

Ellen O'Riordan is an Irish Times reporter