Kernrechtsfrage
Whether the preventive detention violated personal liberty because the special detention grounds were no longer met, especially collusion and flight risk.
Extrahierter Entscheid
The detention remained constitutionally permissible because flight risk was concretely established; the court therefore did not need to decide the collusion issue.
Extrahierte Begründung
Flight risk requires a concrete probability of evasion, not merely an abstract possibility. Here, the applicant's economic base in Switzerland had largely collapsed, his family lived in the Netherlands, his social ties in Switzerland had weakened, he had tried to establish a new business abroad, and a substantial prison sentence was possible. Less intrusive measures were deemed ineffective.