Judgment of the Court (Grand Chamber) of 8 December 2020.#Criminal proceedings against A and Others.#Request for a preliminary ruling from the Landesgericht für Strafsachen Wien.#Reference for a preliminary ruling – Judicial cooperation in criminal matters – European investigation order – Directive 2014/41/EU – Article 1(1) – Article 2(c)(i) and (ii) – Concepts of ‘judicial authority’ and ‘issuing authority’ – European investigation order issued by the public prosecutor’s office of a Member State – Independence from the executive.#Case C-584/19.