Case No. 1728Assault causing harm, production of a pen knife · Co. Dublin · 17 Sep 2023

Kasonga Mbuyi convicted of stabbing German man at Dublin Airport in 2023

Kasonga Mbuyi, a 52-year-old Angolan-born Irish man, stabbed a German man repeatedly with a penknife outside Terminal One at Dublin Airport on 17 September 2023, causing eight wounds that required 12 stitches. Mbuyi was arrested and sent forward on signed guilty pleas to assault causing harm and production of a pen knife, and told gardai the unprovoked attack was a cry for help while suffering from a paranoid delusion. He was initially considered not fit to plead and transferred to the Central Mental Hospital, then deemed fit to enter a plea in March 2025. In May 2025, Judge Martina Baxter adjourned the case to July and directed the preparation of a probation report, a governor's report and a urine analysis.

  1. Reportednot reported
  2. Arrestednot reported
  3. Chargednot reported
  4. In courtnot reported
  5. Convicted6 May
  6. Sentenced
reportedhappened, not reportedlatest stagenot yet

Key facts

consolidated from all reports
What happened
  • Mbuyi stabbed a German man repeatedly with a penknife outside Terminal One at Dublin Airport.
  • The victim sustained eight wounds to his neck, chest and left flank, mostly superficial, requiring 12 stitches, and was signed off work for three weeks.
  • The victim attempted to defend himself with his briefcase and passers-by intervened.
When
The attack occurred on 17 September 2023.
Where
Outside Terminal One, Dublin Airport.
Cause
Mbuyi was suffering from a paranoid delusion at the time following the death of his father in the UK in August 2023, and has since been diagnosed with schizophrenia with previous cannabis misuse.
Investigation
Mbuyi told gardai the unprovoked and random assault was a cry for help, and was seen behaving erratically and not wearing shoes before the attack.
Charges
Mbuyi was sent forward from the District Court on signed guilty pleas to assault causing harm and production of a pen knife.
In court
  • Mbuyi was initially considered not fit to plead and transferred to the Central Mental Hospital, then deemed fit to enter a plea in March 2025.
  • In May 2025, Judge Martina Baxter adjourned the case to July and directed the preparation of a probation report, a governor's report and a urine analysis.
Other details
  • Mbuyi is an Angolan-born Irish citizen, 52, with four minor previous convictions for road traffic offences, who said he had recently been made homeless and was living in a hostel.
  • Mbuyi was returned to Cloverhill Prison in March 2025, where he is doing well and taking his medication.
20 statements extracted from the articles
  • whatMbuyi stabbed a German man repeatedly with a penknife outside Terminal One at Dublin Airport. (dublinlive.ie)
  • whatThe victim sustained eight wounds to his neck, chest and left flank, mostly superficial, requiring 12 stitches. (dublinlive.ie)
  • whatThe victim attempted to defend himself with his briefcase and passers-by intervened. (dublinlive.ie)
  • whatMbuyi was suffering from a paranoid delusion at the time and has since been diagnosed with schizophrenia with previous cannabis misuse. (dublinlive.ie)
  • whatMbuyi told gardai the unprovoked and random assault was a cry for help. (dublinlive.ie)
  • whatMbuyi was seen behaving erratically and was not wearing shoes before the attack. (dublinlive.ie)
  • whatMbuyi had a broken foot and dislocated knee sustained in the days before the attack while running from people he believed were chasing him. (dublinlive.ie)
  • whatMbuyi said he had recently been made homeless and was living in a hostel after his privately rented accommodation in Limerick had been sold. (dublinlive.ie)
  • whatMbuyi was initially considered not fit to plead and was transferred to the Central Mental Hospital from Cloverhill Prison. (dublinlive.ie)
  • whatMbuyi was deemed fit to enter a plea in March. (dublinlive.ie)
  • whatMbuyi has four minor previous convictions for road traffic offences. (dublinlive.ie)
  • whatThe victim was signed off work for three weeks. (dublinlive.ie)
  • whatMbuyi is an Angolan-born Irish citizen with a good work history. (dublinlive.ie)
  • whatMbuyi started to accuse his brother-in-law and other family members of involvement in his father's death. (dublinlive.ie)
  • whatMbuyi was at the airport to make arrangements for travel to the UK. (dublinlive.ie)
  • whatMbuyi does not have a clear recollection of events but now believes the devil was in his mind at the time. (dublinlive.ie)
  • whatMbuyi was transferred to CMH and returned to Cloverhill Prison in March 2025, where he is doing well and taking his medication. (dublinlive.ie)
  • whenThe attack occurred on 17 September 2023. (dublinlive.ie)
  • causeMbuyi became increasingly anxious and then delusional following the death of his father in the UK in August 2023. (dublinlive.ie)
  • courtJudge Martina Baxter adjourned the case to July and directed the preparation of a probation report, a governor's report and urine analysis. (dublinlive.ie)

The reporting

newest first
  1. 6 May2025
    Man stabbed passenger at Dublin Airport in a cry for help, court hears

    First detailed court report on the case, covering the guilty pleas, background on Mbuyi's mental health, the victim's injuries and impact statement, and the adjournment for sentencing reports.

    suspect, Kasonga Mbuyi, 52, male, Irish, named, irishKasonga Mbuyivictim, male, German, non-irish