Questione giuridica chiave
Whether the appeal could challenge factual findings and request a credibility/psychiatric expert report in cassation
Decisione estratta
The appeal could only raise federal law issues; challenges to the cantonal fact-finding and requests premised on disputed facts were inadmissible.
Motivazione estratta
In cassation, the Federal Court is bound by the facts found below and cannot review new facts; the complaint about a credibility opinion was not governed by the cited procedural provision.