Questione giuridica chiave
Whether the complaint about the degree of diminished responsibility was admissible on nullity appeal
Decisione estratta
The challenge concerned a factual finding about the offender's mental state and could not be reviewed in nullity proceedings.
Motivazione estratta
The cantonal determination of the offender's state at the time of the act is a finding of fact and is binding on the Federal Court in a nullity appeal.