They say that is the only appropriate sanction because he refused to be examined by prosecution psychiatrists.
A prosecution psychiatrist testified that Mr. List had deliberated for a long time and only made his decision the night before the killings.
Ms. Pirro, who was in the courtroom but did not address the judge, said the findings of Dr. Dietz, a leading prosecution psychiatrist, had killed the case.
In a separate development yesterday, a judge barred Mr. Muhammad from presenting evidence about his own mental health because he has refused to meet with a prosecution psychiatrist.
A prosecution psychiatrist rebutted her testimony, saying Mr. Shawcross was faking mental illness in an effort to avoid prison.
If he maintains this level of deterioration or gets worse, even the prosecution psychiatrists may agree he's incompetent.
Two defense psychiatrists maintained that Sherwood was insane while two prosecution psychiatrists testified to the contrary.
But a prosecution psychiatrist described him as an angry man with an antisocial personality.
After their verdict yesterday, some jurors in the Goldstein trial pointed to testimony by the prosecution psychiatrist that violence was not a feature of schizophrenia.
While the defense lawyers were busy preparing a "mental defect" defense, Mr. Kaczynski suddenly refused to submit to any examination by prosecution psychiatrists.