Woman found not guilty of carrying out restaurant acid attack by reason of insanity

Three staff at One Asian Kitchen in Tallaght suffered burns during incident involving Katarzyna Wsiubiak (34)

Dublin Circuit Criminal Court heard Katarzyna Wsiubiak was 'paranoid' and 'delusional' when she entered a restaurant and threw acid at workers. Photograph: Matt Kavanagh
Dublin Circuit Criminal Court heard Katarzyna Wsiubiak was 'paranoid' and 'delusional' when she entered a restaurant and threw acid at workers. Photograph: Matt Kavanagh

A woman who walked into a Dublin restaurant and threw a cup of acid at workers, leaving three women with severe burns, has been found not guilty by reason of insanity.

The jury in the Dublin Circuit Criminal Court trial of Katarzyna Wsiubiak (34) returned the verdicts on Wednesday after a two-day trial.

The court heard Wsiubiak was “paranoid” and “delusional” when she walked into the restaurant and threw acid at the workers, one of whom she had known previously.

This victim suffered severe burns to 16 per cent of her body, including her face, while a second woman suffered burns when she tried to help her injured colleague to remove her clothes. The third victim suffered burns to her ankle as a result of the acid splashing near her feet.

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Wsiubiak entered pleas of not guilty by reason of insanity to two counts of assault causing serious harm and one count of assault causing harm to the women at the One Asian Kitchen in Tallaght on December 13th, 2020. These pleas were accepted by the prosecution.

Wsiubiak, of Abberly Square, Tallaght, appeared in court via video-link from the Central Mental Hospital.

Garrett McCormack BL, prosecuting, told the court that while gardaí were carrying out investigations at the restaurant shortly after the incident, Wsiubiak approached them with her phone and told them, through the aid of Google Translate, that she had carried out the attack.

She wrote: “I did it”. When gardaí wrote back: “What did you do?”, she responded: “I hurt that girl”.

Wsiubiak was arrested and interviewed, but it soon became apparent that she was mentally unwell, the court heard. While in a holding cell in between interviews, she had a seizure and was brought to hospital before being transferred to the Central Mental Hospital. She has been there ever since.

The court heard Wsiubiak knew the first victim, who was the main target of the acid attack, and that this woman had provided translation services for her. They had not been in contact for a couple of months prior to the incident.

Fiona Murphy SC, defending, told the court that Wsiubiak believed this woman was “engaged in a wider conspiracy against her”.

Dr Patrick McLaughlin, a consultant forensic psychiatrist, gave evidence that Wsiubiak has schizophrenia and was suffering from its symptoms at the time of the attack.

Consultant forensic psychiatrist Dr Brenda Wright also gave evidence regarding the defendant’s condition. She said Wsiubiak’s condition is on the “severe end of mental illness.”

Ms Wsiubiak addressed the court with the assistance of a translator after the verdict was read out. She said “it is hard for me that I hurt someone” and that she is “very sorry”.

Judge Patricia Ryan ordered a report to be prepared and adjourned the case to October 31st for finalisation.