Question juridique clé
Whether the refusal to order a psychiatric expert opinion violated Art. 13 StGB in light of signs of diminished responsibility.
Solution extraite
The combination of unusual conduct during the offence and indications of an immature personality created serious doubts about full criminal responsibility; an expert opinion should have been ordered.
Motifs extraits
No single circumstance was decisive, but the overall pattern of behavior and biographical indications were sufficient to trigger doubts requiring expert clarification.