Question juridique clé
Whether pre-trial detention could still be justified by ongoing investigative needs after the file had been communicated to the prosecutor.
Solution extraite
No. The court found no concrete pending investigative acts and no sufficient basis for a collusion risk after the investigation was closed.
Motifs extraits
A mere abstract risk of collusion is insufficient; the authority must specify remaining investigative acts and how release would jeopardize them. Those indications were absent here.