Key legal question
Whether the appeal in criminal matters was admissible against the cantonal decision refusing prison leave
Extracted holding
The decision was cantonal-final for purposes of Art. 80 BGG and concerned a criminal matter, so the appeal was admissible insofar as it challenged a federal-law violation.
Extracted reasoning
Zurich had not yet designated courts as final cantonal instances in criminal matters; no cantonal remedy was available. The refusal of prison leave falls under criminal law.