Robert O'Connor trial adjourned over issue in triple murder case
Three family members, Mark O'Connor (54), Louise O'Connor (56) and Evan O'Connor (27), were found dead with fatal stab wounds at their home in Drumgowna, Co Louth, between 28 and 29 September 2025. Their son, Robert O'Connor, 31 (reports differ: 32), was arrested on foot near the Louth-Monaghan boundary the same morning and charged with three counts of murder at Drogheda District Court on 30 September 2025. At the Central Criminal Court on 7 October 2026, O'Connor pleaded not guilty by reason of insanity, and on 8 October was re-arraigned with an alternative plea of guilty to manslaughter on the basis of diminished responsibility. The trial was adjourned on 9 October 2026 after an issue arose requiring clarification, with the jury told to return on 13 October 2026.
- Reportednot reported
- Arrested29 Sep
6 reports - Charged30 Sep
3 reports - In court7 Oct
4 reports - Verdict
- Sentenced
Key facts
consolidated from all reports- What happened
- Three family members, Mark O'Connor (54), Louise O'Connor (56) and Evan O'Connor (27), were found dead with fatal stab wounds at their home.
- Where
- The incident occurred at a country stone cottage in Drumgowna, Louth Village, Dundalk, Co Louth, in a rural area between Stonestown and Tallanstown.
- When
- The murders occurred between 28 and 29 September 2025, with the bodies discovered before 10am on Monday 29 September 2025.
- Cause
- All three victims sustained fatal stab wounds; the accused told gardaí he had a row over drugs and lost his head.
- Weapon
- A knife was used in the attack.
- Investigation
- Robert O'Connor, a man in his 30s known to the family, was arrested on foot around 10am on 29 September about 6km from the home near the Louth-Monaghan boundary and detained under Section 4 of the Criminal Justice Act 1984.
- Charges
- Robert O'Connor, 31 (reports differ: 32), of Drumgowna, Louth Village, was charged with three counts of murder at a special sitting of Drogheda District Court on 30 September 2025.
- In court
- O'Connor was arraigned at the Central Criminal Court on 7 October 2026 and pleaded not guilty by reason of insanity to all three murder counts; a jury of six men and six women was sworn in.
- On 8 October 2026, O'Connor was re-arraigned and pleaded not guilty of murder by reason of insanity or guilty of manslaughter on the basis of diminished responsibility; the prosecution opened its case.
- The trial was adjourned on 9 October 2026 after an issue arose requiring clarification; the jury was told to return on Tuesday 13 October 2026 at 11am.
- Other details
- The victims were the accused's mother, father and younger brother; Evan O'Connor had autism and attended Abacas Special School in Drogheda for 14 years.
- The accused told gardaí he only meant to kill his father and brother, not his mother, and had been attending mental health services since age 22.
137 statements extracted from the articles
- whatA man in his 30s was arrested in connection with the incident in which three people were killed (irishtimes.com)
- whatThree people, understood to be two men and a woman from the same family, were killed (irishtimes.com)
- whatThe three victims were all adults (irishtimes.com)
- whatGardaí believe the three victims were violently attacked (irishtimes.com)
- whatThree people, two males and one female, all adults, were found deceased at the scene (irishmirror.ie)
- whatA male known to the family is suspected of killing them by fatally stabbing them (irishmirror.ie)
- whatThree members of the same family were killed in their home in Co Louth by a man known to them who used a knife. (irishtimes.com)
- whatThe victims had been subjected to extreme violence. (irishtimes.com)
- whatA suspect aged in his 30s was arrested on foot in the area at about 10am. (irishtimes.com)
- whatThe suspect had been seen walking the local roads close to the Louth-Monaghan boundary and had tried to secure a lift to Tallanstown village. (irishtimes.com)
- whatThe ASU was deployed over fears the suspect was armed and had been seen acting erratically. (irishtimes.com)
- whatGarda Headquarters confirmed three people, two men and a woman, were found dead at the scene. (irishtimes.com)
- whatGardaí believe all three victims suffered stab wounds. (irishtimes.com)
- whatThree family members died in a suspected stabbing incident at their home in Co Louth. (irishmirror.ie)
- whatAll three sustained fatal stab wounds. (irishmirror.ie)
- whatTwo bodies were found inside the property and a third on the driveway. (irishmirror.ie)
- whatA man in his 30s known to the family was arrested around 6km from the home. (irishmirror.ie)
- whatThree family members were found dead following a violent incident at their home in Co Louth. (irishmirror.ie)
- whatEvan O'Connor had autism (irishtimes.com)
- whatEvan attended Abacas Special School for 14 years (irishtimes.com)
- whatEvan was one of the first two children to attend the school on day one (irishtimes.com)
- whatThe suspect had been seen walking roads close to the Louth-Monaghan boundary (irishtimes.com)
- whatThe suspect had tried to secure a lift to Tallanstown village (irishtimes.com)
- whatThe couple celebrated their 33rd wedding anniversary on 12 September (irishtimes.com)
- whatThe couple had finished paying their mortgage in June (irishtimes.com)
- whatLouise O'Connor was active in fundraising for mental health services and cancer charities (irishtimes.com)
- whatEvan O'Connor had additional needs (irishmirror.ie)
- whatRobert O'Connor, 31, of Drumgowna, Louth Village, was charged with three counts of murder (irishmirror.ie)
- whatRobert O'Connor is 32 years old (irishmirror.ie, irishtimes.com)
- whatThe victims were his mother Louise O'Connor, father Mark O'Connor, and younger brother Evan O'Connor (irishmirror.ie)
- whatThe accused pleaded not guilty of murder by reason of insanity or guilty of manslaughter on the basis of diminished responsibility (irishtimes.com)
- whatThe accused told gardaí he only meant to kill his father and brother, not his mother (irishtimes.com)
- whatEvan O'Connor had very significant special needs, was severely autistic and had learning difficulties (irishtimes.com)
- whatGardaí saw the accused on foot walking in the direction of Tallanstown that morning (irishtimes.com)
- whatThe victims were his mother Louise O'Connor, 56, his father Mark O'Connor, 54, and his younger brother Evan O'Connor, 27 (irishmirror.ie)
- whereThe incident took place at a residential property in the Drumgowna area outside Tallanstown (irishtimes.com)
- whereThe property was a country stone cottage in a rural area between Stonestown, Louth Village and Tallanstown (irishmirror.ie)
- whereThe scene was just over 5km from Tallanstown village in Co Louth. (irishtimes.com)
- whereThe incident occurred in a country stone cottage in a rural area between Stonestown, Louth Village and Tallanstown. (irishmirror.ie)
- whereThe property was in Mills of Louth, around two kilometres from Tallanstown. (irishmirror.ie)
- whereThe incident occurred in a country stone cottage in a rural area between Stonestown and Tallanstown, Co Louth. (irishmirror.ie)
- whereThe school is in Drogheda (irishtimes.com)
- whereThe family home is a bungalow on a remote road in rural Co Louth (irishtimes.com)
- whereThe remains were removed to Our Lady of Lourdes Hospital, Drogheda (irishtimes.com)
- whereThe murders occurred at the family home in Drumgowna, Co Louth (irishtimes.com, irishmirror.ie)
- whereThe bodies were discovered at the family home in Drumgowna, Louth Village, Co Louth (irishmirror.ie)
- whereRobert O'Connor is from Drumgowna, Louth Village, Dundalk, Co Louth (irishmirror.ie)
- whereThe murders occurred at the family home in Drumgowna, Louth Village, Dundalk, Co Louth (irishtimes.com)
- whereRobert O'Connor lives in Drumgowna, Louth Village, Dundalk, Co Louth (irishmirror.ie)
- whereThe murders occurred at the family home in Drumgowna (irishmirror.ie)
- whenThe victims were found dead at the scene on Monday morning (irishtimes.com)
- whenThe incident happened at around 10am on Monday 29 September 2025 (irishmirror.ie)
- whenThe alarm was raised on Monday morning. (irishtimes.com)
- whenGardaí responded to the property shortly before 10am on 29 September 2025. (irishmirror.ie)
- whenEmergency services responded on Monday morning and all three were pronounced dead. (irishmirror.ie)
- whenGardaí received a call shortly before 10am on Monday to attend a residence at Drumgowna, about 5km from Tallanstown (irishtimes.com)
- whenThe victims were found dead on Monday morning (irishtimes.com)
- whenThe bodies were discovered at the home on Monday morning before 10am (irishmirror.ie)
- whenThe murders occurred on Monday, 29 September 2025 (irishmirror.ie)
- whenThe bodies were discovered before 10am on Monday morning (irishmirror.ie)
- whenThe accused was arrested at 4.43pm on Tuesday, 30 September at Drogheda Garda Station (irishmirror.ie)
- whenThe murders occurred between 28 and 29 September 2025 (irishmirror.ie, irishtimes.com)
- whenThe carer called 999 at 9.38am on the morning of September 29th (irishtimes.com)
- whenThe trial is expected to last until October 30th (irishtimes.com)
- causeAll three sustained fatal injuries during a suspected stabbing incident (irishmirror.ie)
- causeThe accused said he had a row over drugs and lost his head (irishtimes.com)
- investigationThe arrested man was detained under Section 4 of the Criminal Justice Act at a Garda station in the Garda North West Region (irishtimes.com)
- investigationThe arrested man can be held for questioning without charge for up to 24 hours (irishtimes.com)
- investigationGardaí are not looking for anyone else in relation to the killings (irishtimes.com)
- investigationThe remains of the three victims are at the property pending a preliminary examination by a pathologist before removal for full postmortem examinations (irishtimes.com)
- investigationA male in his 30s was arrested and detained under Section 4 of the Criminal Justice Act 1984 (irishmirror.ie)
- investigationGarda search teams were sought to look for the suspected knife used (irishmirror.ie)
- investigationNeighbours raised the alarm (irishmirror.ie)
- investigationThe scene was preserved for technical examination (irishmirror.ie)
- investigationThe offices of the coroner and the state pathologist were notified (irishmirror.ie)
- investigationAn assessment of the arrested man's mental condition formed part of the garda inquiries. (irishtimes.com)
- investigationThe remains were subject to a preliminary examination at the scene by a pathologist before removal for full postmortem examinations. (irishtimes.com)
- investigationThe suspect was detained under Section 4 of the Criminal Justice Act at a station in the Garda North Western Region. (irishmirror.ie)
- investigationGardaí were not looking for anyone else and there was no threat to the public. (irishmirror.ie)
- investigationMembers of the Garda Technical Bureau were in attendance at the scene. (irishmirror.ie)
- investigationA man in his 30s known to the family was arrested and held at a garda station in the northwest region. (irishmirror.ie)
- investigationGardaí confirmed they were not looking for anyone else in relation to the incident. (irishmirror.ie)
- investigationThe remains were removed to Our Lady of Lourdes Hospital, Drogheda on Monday evening for postmortem examinations. (irishmirror.ie)
- investigationThe scene remained subject of ongoing forensic examination by the Garda National Technical Bureau and Divisional Search Team. (irishmirror.ie)
- investigationThe motive for the three killings was unclear (irishtimes.com)
- investigationAn assessment of the arrested man's mental condition formed part of the inquiries (irishtimes.com)
- investigationPostmortem examinations on the three victims would start on Tuesday (irishtimes.com)
- investigationAn incident room was established at Ardee Garda station in Co Louth (irishtimes.com)
- investigationGardaí were not looking for any other person in connection with the investigation (irishtimes.com)
- investigationThe suspect is detained under Section 4 of the Criminal Justice Act, 1984 (irishtimes.com)
- chargeThe arrested man was detained under Section 4 of the Criminal Justice Act 1984 at a station in the Garda North West Region. (irishtimes.com)
- chargeThe DPP directed three counts of murder (irishtimes.com)
- chargeRobert O'Connor was charged with three counts of murder (irishmirror.ie)
- chargeO'Connor pleaded not guilty by reason of insanity to all three murder counts (irishmirror.ie)
- chargeO'Connor was arraigned on three counts of murder (irishmirror.ie)
- chargeRobert O'Connor pleaded not guilty of murder by reason of insanity (irishmirror.ie)
- chargeRobert O'Connor pleaded guilty of manslaughter on the basis of diminished responsibility (irishmirror.ie)
- courtThe charging took place at a special sitting of Drogheda District Court (irishtimes.com)
- courtThe accused was remanded in custody to appear by video link at the same court the following Monday (irishtimes.com)
- courtSolicitor Paul James Moore applied for a psychiatric assessment on the basis the accused has been with mental health services since age 22 (irishmirror.ie)
- courtJudge Coggans directed a psychiatric assessment and granted legal aid to include one counsel on all sheets (irishmirror.ie)
- courtThe accused was remanded in custody to appear before Drogheda District Court via video link on Monday, 6 October at 10.30am (irishmirror.ie)
- courtThe judge warned jurors that some pathology evidence may be difficult or distressing (irishmirror.ie)
- courtThe judge anticipated the evidence would not take more than three weeks (irishmirror.ie)
- courtJurors needed to be available until October 30 (irishmirror.ie)
- courtThe prosecution case is being led by senior counsel Roisin Lacey (irishmirror.ie, irishtimes.com)
- courtMichael Bowman SC is heading up the defence team (irishmirror.ie)
- courtA jury of six men and six women was sworn in (irishmirror.ie, irishtimes.com)
- courtThe trial is expected to last no more than three weeks (irishtimes.com)
- courtJurors need to be available until 30 October (irishtimes.com)
- courtMichael Bowman is heading the defence team (irishtimes.com)
- courtThe trial is being held at the Central Criminal Court (irishmirror.ie)
- courtThe prosecution is led by Roisin Lacey SC for the Director of Public Prosecutions (irishmirror.ie)
- courtThe jury consists of six men and six women (irishmirror.ie)
- courtThe trial was adjourned because an issue arose requiring clarification (irishmirror.ie)
- courtThe jury was told to return on Tuesday at 11am (irishmirror.ie)
- courtRobert O'Connor was re-arraigned on Thursday afternoon (irishmirror.ie)
- otherSinn Féin TD for Louth Ruairí Ó Murchú described the incident as truly shocking and appalling (irishtimes.com)
- otherThe father had completed the Boston marathon earlier that year (irishmirror.ie)
- otherThe mother worked as a nurse (irishmirror.ie)
- otherThere was no unknown threat to the public in Co Louth (irishmirror.ie)
- otherThe family had finished paying their mortgage in June. (irishtimes.com)
- otherThe family had lived in the cottage for the past 20 years. (irishmirror.ie)
- otherThe son had additional needs. (irishmirror.ie)
- otherMark and Louise celebrated their 33rd wedding anniversary earlier that month. (irishmirror.ie)
- otherMark and Louise were founder parents of Drogheda ABACAS Special School. (irishmirror.ie)
- otherEvan attended ABACAS for 14 years. (irishmirror.ie)
- otherMark was a board member of Autism Support Louth & Meath. (irishmirror.ie)
- otherMark had been a member of North East Runners Dundalk athletics club since 2018. (irishmirror.ie)
- otherThe accused had been attending mental health services since he was 22 (irishtimes.com)
- otherDefence applied for a psychiatric assessment of the accused while in custody (irishtimes.com)
- otherA candlelight vigil was planned for 1 October at 9pm at Stonetown Community Walking Track (irishmirror.ie)
- otherMark O'Connor worked with Inclusion Ireland for almost 10 years (irishmirror.ie)
- otherMark O'Connor joined North East Runners in 2018 (irishmirror.ie)
- otherThe accused made no reply after caution (irishmirror.ie)
- otherThe accused made no reply to each charge after caution (irishmirror.ie)
- otherThe accused was dressed in a grey top, black tracksuit bottoms and black runners and did not address the court (irishmirror.ie)
The reporting
newest first- 9 Oct2026Issue arises in trial of man accused of murdering his father, mother and brother
Trial adjourned after prosecution counsel Roisin Lacey SC raised an issue requiring clarification; Robert O'Connor pleaded not guilty of murder by reason of insanity or guilty of manslaughter on diminished responsibility; jury told to return Tuesday 13 October 2026 at 11am.
accused, Robert O'Connor, 32, male, named, irish (judged from name)Robert O'Connorvictim, Louise O'Connor, 56, female, irish (judged from name)Louise O'Connorvictim, Mark O'Connor, 54, male, irish (judged from name)Mark O'Connorvictim, Evan O'Connor, 27, male, irish (judged from name)Evan O'Connor - 8 Oct2026Triple murder accused told gardaí he only meant to kill father and brother, not mother, court hears
Prosecution opening speech details the accused's statements to gardaí, the injuries sustained by each victim, the circumstances of discovery by a carer, and the trial timetable.
victim, female, irish (judged from name)victim, male, irish (judged from name)victim, male, irish (judged from name)accused, 32, male, irish (judged from name) - 7 Oct2026Louth man accused of murdering parents and brother pleads not guilty by reason of insanity
Reports the arraignment where O'Connor pleaded not guilty by reason of insanity to all three murder counts; a jury of six men and six women was sworn in; Judge Siobhan Lankford warned jurors about potentially distressing pathology evidence; trial expected to last up to three weeks before Judge Mícheál P O'Higgins.
victim, female, irish (judged from name)victim, male, irish (judged from name)victim, male, irish (judged from name)accused, 32, male, irish (judged from name) - 7 Oct2026Man accused of murdering his father, mother and brother appears in court
Records the arraignment on 7 October 2026 where O'Connor pleaded not guilty by reason of insanity to all three murder counts, the jury empanelment, the judge's warning about potentially distressing pathology evidence, and the anticipated three-week trial duration.
victim, Louise O'Connor, irish (judged from name)Louise O'Connorvictim, Mark O'Connor, irish (judged from name)Mark O'Connorvictim, Evan O'Connor, irish (judged from name)Evan O'Connoraccused, Robert O'Connor, 32, named, irish (judged from name)Robert O'Connor - 30 Sep2025Man, 31, appears in court charged with murder of dad, mum and brother in Louth
Reports the initial court appearance and formal charging at Drogheda District Court on 30 September 2025, including the solicitor's application for a psychiatric assessment, the judge's direction for one, and remand in custody pending a video-link appearance on 6 October 2025.
accused, Robert O'Connor, 31, male, named, irish (judged from name)Robert O'Connorvictim, Mark, 54, male, irish (judged from name)Markvictim, Louise, 56, female, irish (judged from name)Louisevictim, Evan O'Connor, 27, male, irish (judged from name)Evan O'Connor - 30 Sep2025Louth stabbing LIVE: Bodies discovered by care worker - Dad & son tried to flee
Live blog covering Robert O'Connor's first court appearance at Drogheda District Court on 30 September 2025, where he was charged with three counts of murder, along with community tributes, a planned candlelight vigil, and details about the victims' lives.
victim, Mark O'Connor, 54, male, irish (judged from name)Mark O'Connorvictim, 56, female, irish (judged from name)victim, Evan O'Connor, 27, male, irish (judged from name)Evan O'Connoraccused, Robert O'Connor, 31, male, named, irish (judged from name)Robert O'Connor - 30 Sep2025Man (31) charged with murder of his parents and brother in Co Louth
Initial charging appearance at Drogheda District Court; accused remanded in custody; defence applied for psychiatric assessment citing mental health services attendance since age 22; free legal aid for solicitor and one counsel granted.
accused, Robert O'Connor, 31, male, named, irish (judged from name)Robert O'Connorvictim, Louise O'Connor, 56, female, irish (judged from name)Louise O'Connorvictim, Mark O'Connor, 54, male, irish (judged from name)Mark O'Connorvictim, Evan O'Connor, 27, male, irish (judged from name)Evan O'Connor - 30 Sep2025Co Louth killings: ‘He grew up with us,’ says school attended by victim Evan O’Connor
Adds the Abacas Special School statement about Evan O'Connor (autism, 14 years attendance, parents as founder-parents), details of the arrest (on foot, near Louth-Monaghan boundary, tried to get a lift to Tallanstown), Superintendent Watters' press conference, family background (33rd anniversary, mortgage paid off, three adult sons), and investigation logistics (incident room at Ardee, postmortems at Our Lady of Lourdes Hospital, detention under Section 4 extended).
victim, 54, male, irish (judged from name)victim, 56, female, irish (judged from name)victim, 27, male, irish (judged from name)suspect, 30s, male - 30 Sep2025'An inspiration to us all': Tributes paid to mum, dad and son killed in Louth
Adds tributes from Drogheda ABACAS Special School and North East Runners Dundalk athletics club; confirms arrest of a man in his 30s known to the family; details the victims' community roles as founder parents of a special school and advocates for autism; confirms postmortem examinations and ongoing forensic examination of the scene.
victim, Mark O'Connor, 54, male, irish (judged from name)Mark O'Connorvictim, Louise O'Connor, 56, female, irish (judged from name)Louise O'Connorvictim, Evan O'Connor, 27, male, irish (judged from name)Evan O'Connorsuspect, 30s, male - 29 Sep2025Mother, father and son killed in suspected stabbing tragedy in Tallanstown named
Initial report naming the victims as Mark O'Connor, Louise O'Connor and Evan O'Connor, confirming the arrest of a man in his 30s known to the family, and providing community reaction from local councillors and neighbours.
victim, Mark O'Connor, 50s, male, irish (judged from name)Mark O'Connorvictim, Louise O'Connor, 50s, female, irish (judged from name)Louise O'Connorvictim, Evan O'Connor, 20s, male, irish (judged from name)Evan O'Connorsuspect, 30s, male - 29 Sep2025Three members of same family killed in knife attack in rural Co Louth home
Initial report of the triple murder and the arrest of the suspect; confirms the victims were found dead at the property, the suspect was detained under Section 4 of the Criminal Justice Act 1984, and gardaí believe all three suffered stab wounds.
victim, Mark O'Connor, male, irish (judged from name)Mark O'Connorvictim, Louise O'Connor, female, irish (judged from name)Louise O'Connorvictim, male, irish (judged from name)suspect, 30s, male - 29 Sep2025Gardai respond to fatal 'serious ongoing incident' in Louth - live updates
Initial live blog from the day of discovery, naming the victims as the O'Connor family, confirming the stabbing, reporting the arrest of a male in his 30s, and capturing community reaction from neighbours and local councillors.
victim, Mark O'Connor, 50s, male, irish (judged from name)Mark O'Connorvictim, Louise O'Connor, 50s, female, irish (judged from name)Louise O'Connorvictim, Evan O'Connor, 20s, male, irish (judged from name)Evan O'Connorsuspect, 30s, male - 29 Sep2025‘Truly shocking and appalling’: Three dead as man arrested after incident in Tallanstown, Co Louth
Initial breaking-news report of the triple murder and arrest; confirms three victims from the same family (two men and a woman), all adults, found dead on Monday morning; gardaí not looking for anyone else; Minister O'Callaghan says no ongoing threat to the public; scene sealed off pending pathologist examination.
victim, malevictim, malevictim, femalesuspect, 30s, male