Hawaii / Reading the court record
The Xerox murders: why one word mattered to the jury
The word was familiar: appreciate. In the appeal following the Xerox murders, however, it carried a question that ordinary conversation rarely has to answer. Could a person know an act was wrong yet lack the capacity to grasp its wrongfulness in the sense required by Hawaii's criminal law?
Read the original court record ↓The question after the killings
Seven people were killed at the Xerox workplace in Honolulu on November 2, 1999. Byran Uyesugi, an employee, surrendered after a police standoff. The Supreme Court's later opinion reviewed his convictions for first-degree murder and attempted second-degree murder. Among the issues was the way the trial jury had been instructed about the defense that a physical or mental condition excluded criminal responsibility.[1]
That defense required more than establishing that a condition existed. Under the instructions reproduced in the opinion, the condition had to leave the defendant with severely limited capacity either to appreciate the wrongfulness of his conduct or to act as the law required. The two alternatives mattered. This was an inquiry about capacity at the time of the offenses, not simply whether a doctor had assigned a diagnosis.[1]
The experts did not use the word identically
Defense experts described appreciation in terms of weighing significance and consequences. They testified that Uyesugi's delusions affected his perception of particular coworkers, even though he could function normally in other areas of life. Prosecution experts offered a different assessment of how much his condition impaired him. The opinion preserves those competing accounts as testimony. Their presence in the record does not make every clinical opinion a finding adopted by the court.[1]
The defense argued on appeal that the judge should have explained the word rather than leaving jurors to work through the differing uses. The majority considered the entire presentation: the instruction to use ordinary meanings, the extended expert testimony and the lawyers' arguments. It concluded that jurors had received enough explanation to assess the defense and that the missing definition had not prejudiced Uyesugi's substantial rights.[1]

The result did not mean agreement on every instruction
The posture of the appeal was important. The defense had not preserved this instructional objection at trial. The majority therefore examined whether the omission amounted to plain error affecting substantial rights. Its conclusion was about this record. It did not establish that instructions never need definitions or that the meaning of the defense could safely be left to competing witnesses in every case.[1]
Justice Simeon Acoba, joined by Justice Mario Ramil, agreed that the convictions should stand but wrote separately. Acoba stressed that explaining the law is the judge's responsibility. He thought a definition would have been preferable and warned that omitting it could require reversal in different circumstances. At the same time, he concluded that the instructions in this case had not caused substantial prejudice. Agreement on the outcome did not erase that disagreement over how juries should be guided.[2]
Read the reasoning alongside the verdict
The Supreme Court affirmed the judgment in December 2002. Its published record offers more than a headline that an insanity defense failed. It shows a dispute over the relationship between knowing a rule, understanding an act's significance and the instructions needed to let jurors apply the law. The competing expert accounts were central to that dispute; the appellate judges were assessing their presentation rather than conducting another examination of Uyesugi.[1]
The distinction is worth preserving when reading this case now. A finding of criminal responsibility is not a finding that a defendant had no mental illness. Nor does a disputed diagnosis itself answer the legal question. Following the instruction, the evidence and the separate opinions keeps the explanation tied to what this court actually decided, without turning one murder prosecution into a general claim about people with mental health conditions.[1][2]
Sources and references
The article reports the law and reasoning applied in the 2002 decision. Expert testimony is attributed, and agreement with the judgment is distinguished from agreement with every part of the majority's reasoning.
- State v. Uyesugi, No. 23805, majority opinionDecember 26, 2002 · Hawaii Supreme Court opinion by Justice Nakayama, reproduced by Justia
The saved file contains the complete court-issued majority opinion. Page numbers in the text and PDF match. It does not contain the separate concurrence or the full trial transcript.
- State v. Uyesugi, majority and Acoba concurrenceDecember 26, 2002 · Judicial opinions reproduced by FindLaw
The concurrence follows the majority's Conclusion. Used for its opening and Parts I-II on the instructional issue. A January 9, 2003 order deleted footnote 15 on page 20 of the concurrence; the passages discussed here are outside that amendment.
- Order amending the Acoba concurrenceJanuary 9, 2003 · Hawaii Supreme Court order
Records the deletion and renumbering of a footnote in the concurrence. This article does not rely on the deleted footnote.
A historical analysis of this appeal, not a current guide to Hawaii jury instructions or a medical assessment. Sources checked October 3, 2026.