Questão jurídica principal
Whether the prosecutor's appeal against the refusal of surveillance approval was admissible and how it should be classified.
Decisão extraída
The filing is treated as a criminal-law appeal and is admissible in principle against approval or refusal of communication surveillance orders.
Fundamentação extraída
The Supreme Court held that it reviews admissibility ex officio and that the prosecutor has standing; the decision causes irreparable harm and falls within the statutory exception to the double-instance requirement.