Former garda Ian Gillen jailed for attacking and threatening to kill partner in Dublin
Ian Gillen, a serving garda at the time, punched his then-partner Jennifer Clinton three times on the head and threatened to kill her at their home in Monkstown, Dublin, on 23 December 2021. Clinton recorded 40 minutes of the threats on her mobile phone. Gillen was arrested and later pleaded guilty to threatening to kill or cause serious harm and to assaulting Clinton. On 11 July 2025, Judge Martin Nolan at Dublin Circuit Criminal Court sentenced him to four years' imprisonment with the final 28 months suspended on strict conditions.
- Reportednot reported
- Arrestednot reported
- Chargednot reported
- In courtnot reported
- Verdictnot reported
- Sentenced11 Jul
2 reports
Key facts
consolidated from all reports- What happened
- After socialising at Blackrock Tennis and Bowling Club, Gillen called Clinton downstairs, stood over her in an intimidating manner, and punched her three times on top of her head with a closed fist while threatening to kill her.
- Clinton recorded 40 minutes of Gillen's threats on her mobile phone.
- Where
- The incident took place at Trafalgar Lane, Monkstown, Dublin.
- When
- The incident occurred on 23 December 2021.
- Investigation
- Gillen was arrested for coercive control after Clinton escaped the home.
- Charges
- Gillen pleaded guilty to threatening to kill or cause serious harm to Clinton and to assaulting her on the same occasion.
- In court
- The case was heard at Dublin Circuit Criminal Court before Judge Martin Nolan.
- Sentence
- On 11 July 2025, Gillen was sentenced to four years' imprisonment with the final 28 months suspended on strict conditions.
- Other details
- Gillen was a serving front-line garda for 40 years at the time of the incident and had no previous convictions.
- Clinton was diagnosed with PTSD, anxiety and depression as a result of the assault.
- Gillen's son Cathal took his own life in his early 20s while Gillen was on duty, and Gillen subsequently retired from the gardaí on medical grounds.
- Gillen etched a cross into the front door of their shared home in a rage.
32 statements extracted from the articles
- whatThe couple had socialised together at Blackrock Tennis and Bowling Club that evening. (irishmirror.ie)
- whatGillen called Clinton downstairs to sit on a pouffe by the fireside and stood over her in an intimidating manner. (irishmirror.ie)
- whatGillen punched Clinton with a closed fist three times on top of her head. (irishmirror.ie)
- whatClinton recorded 40 minutes of the threats on her mobile phone. (irishmirror.ie)
- whatGillen mockingly suggested Clinton ring Blackrock Garda Station, insinuating nobody would help her because he was a serving garda. (irishmirror.ie)
- whatClinton was diagnosed with PTSD, anxiety and depression as a result of the assault. (irishmirror.ie)
- whatGillen etched a cross into the front door of their shared home in a rage. (irishmirror.ie)
- whatGillen also pleaded guilty to assaulting Ms Clinton on the same occasion. (irishtimes.com)
- whatThe couple had socialised together at Blackrock Tennis and Bowling Club before the attack. (irishtimes.com)
- whatGillen called her downstairs to sit by the fireside and stood over her in an intimidating manner, rebuking her and calling her names. (irishtimes.com)
- whatGillen punched her with a closed fist three times on top of her head. (irishtimes.com)
- whatMs Clinton managed to record 40 minutes of the threats on her mobile phone. (irishtimes.com)
- investigationGillen was arrested for coercive control after the incident. (irishmirror.ie)
- investigationAfter Ms Clinton escaped, Gillen was arrested for coercive control. (irishtimes.com)
- chargeGillen pleaded guilty to threatening to kill or cause serious harm to Jennifer Clinton on 23 December 2021 at Trafalgar Lane, Monkstown. (irishmirror.ie, irishtimes.com)
- chargeHe also pleaded guilty to assaulting Ms Clinton on the same occasion. (irishmirror.ie)
- courtThe case was heard at Dublin Circuit Criminal Court before Judge Martin Nolan. (irishmirror.ie)
- courtJudge Nolan said the custody threshold had been crossed and that Gillen beat Clinton over a period of time, slapped her, and made very serious threats. (irishmirror.ie)
- sentenceGillen was sentenced to four years' imprisonment with the final 28 months suspended on strict conditions. (irishmirror.ie)
- sentenceJudge Martin Nolan imposed a prison sentence of four years with the final 28 months suspended on strict conditions. (irishtimes.com)
- otherGillen was a serving garda at the time of the incident. (irishmirror.ie)
- otherGillen had been a front-line garda for 40 years. (irishmirror.ie)
- otherGillen's son Cathal took his own life in his early 20s while Gillen was on duty. (irishmirror.ie)
- otherGillen retired from the gardaí on medical grounds. (irishmirror.ie)
- otherGillen had no previous convictions. (irishmirror.ie)
- otherGillen was a former senior international bowler and a member of Blackrock Bowling Club. (irishmirror.ie)
- otherGillen now works to prevent suicide through Blackrock Bowling Club and Cabinteely Soccer Club. (irishmirror.ie)
- otherGillen was a front-line garda for 40 years. (irishtimes.com)
- otherGillen has since retired from the Garda on medical grounds and has no previous convictions. (irishtimes.com)
- otherGillen's son took his own life in his early 20s while Gillen was on duty and was the first responder on the scene. (irishtimes.com)
- otherMs Clinton was diagnosed with PTSD, anxiety and depression as a result of the assault. (irishtimes.com)
- otherGillen mockingly suggested she ring Blackrock Garda station, insinuating nobody would help her because he was a serving garda. (irishtimes.com)
The reporting
newest first- 11 Jul2025‘You’re going to die tonight’: Former garda attacked and threatened to kill partner in Dublin home
Reports the sentencing of Ian Gillen, a former front-line garda of 40 years, who pleaded guilty to assaulting and threatening to kill his partner. The court noted substantial mitigation including the death of his son while on duty and his subsequent retirement on medical grounds.
victim, Jennifer Clinton, female, irish (judged from name)Jennifer Clintonconvicted, Ian Gillen, male, named, irish (judged from name)Ian Gillen - 11 Jul2025Ex Garda jailed for attacking partner who recorded shocking threats
Sentencing report detailing the assault, the victim's 40-minute phone recording, the defendant's 40-year Garda career and the death of his son as mitigation, and the judge's reasoning for the suspended portion of the sentence.
victim, Jennifer Clinton, female, irish (judged from name)Jennifer Clintonaccused, Ian Gillen, male, named, irish (judged from name)Ian Gillen