Questão jurídica principal
Whether continued pre-trial detention was sufficiently reasoned, especially regarding collusion risk and possible substitute measures.
Decisão extraída
The detention order lacked adequate reasoning and had to be set aside and remitted for reconsideration.
Fundamentação extraída
The authorities asserted remaining witness examinations and a general fear of witness pressure, but failed to identify concrete indications supporting collusion risk. They also did not address the appellant's arguments against detention, alternative grounds, or proposed substitute measures.