Courts / Dublin / Report

Man stabbed housemate four months after release from psychiatric ward, trial hears

Summary

The Central Criminal Court heard the trial of Sean Murphy, 29, who stabbed his housemate Michael Olohan, 35, to death on 13 August 2020. Murphy had been released from a psychiatric ward to an independent living facility four months earlier. He pleaded not guilty to murder. The prosecution argued that Murphy had an active mental disorder and should be found not guilty by reason of insanity, while the defence contended that his responsibility was substantially diminished, seeking a verdict of manslaughter by reason of diminished responsibility. Witnesses included a prosecution expert who described severe obsessive‑compulsive disorder with psychotic symptoms, and a defence expert who agreed on OCD but denied a psychotic illness. The jury was instructed to consider Murphy's mental capacity at the time of the killing. The trial proceeded before Justice Mary Ellen Ring with a jury of twelve.

Who, what, where, when and why

What: Report matter: Man stabbed housemate four months after release from psychiatric ward, trial hears. Charges or matters: murder. Procedural stage: trial

When:

• August 13, 2020 Incident
• July 6 Other
• 2023-11-14 Publication

Why: 26am and told a garda that he should be arrested because he had stabbed someone. CNI source report

Case subjects

Places mentioned

Topics

Stage Trial Violent Crime

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Read the original CNI report