Key legal question
Whether collusion risk justified continued pre-trial detention
Extracted holding
The alleged collusion risk was not sufficiently substantiated by concrete indications; abstract investigative incompleteness and the file-access situation did not justify detention on that ground.
Extracted reasoning
Art. 221(1)(b) StPO requires concrete signs of attempts to influence persons or evidence. The cantonal courts relied too generally on ongoing investigations, a forthcoming psychiatric report, and the possibility of further interviews. No specific risk of evidence tampering was shown, and less intrusive measures were not assessed.