Judgment of the Court (Grand Chamber) of 30 April 2024.#Criminal proceedings against M.N.#Request for a preliminary ruling from the Landgericht Berlin.#Reference for a preliminary ruling – Judicial cooperation in criminal matters – Directive 2014/41/EU – European Investigation Order (EIO) in criminal matters – Obtaining of evidence already in the possession of the competent authorities of the executing State – Conditions for issuing an EIO – Encrypted telecommunications service – EncroChat – Need for the decision of a judge – Use of evidence obtained in breach of EU law.#Case C-670/22.