Questione giuridica chiave
Whether the complaint on diminished criminal responsibility was admissible and founded
Decisione estratta
The challenge was inadmissible because it attacked factual findings on the degree of responsibility, which cannot be reviewed in nullity appeal.
Motivazione estratta
The federal court is bound by the canton court's findings of fact. The appellant merely disputed the assessment of evidence and the extent of responsibility reduction, which is not reviewable on nullity appeal.