Key legal question
Whether the complainant had standing to challenge the non-opening of the criminal investigation.
Extracted holding
He lacked a legally protected interest under Art. 81 BGG and could not contest the refusal on the merits.
Extracted reasoning
He was only an injured person, not a victim under the Victim Assistance Act, and had no civil claims under federal civil law against the Canton or municipality; therefore no standing to attack the non-opening in substance.