Opinion of Advocate General Pikamäe delivered on 7 December 2023.#DD v European Union Agency for Fundamental Rights (FRA).#Appeal – Civil service – Staff Regulations of Officials of the European Union and the Conditions of Employment of Other Servants of the European Union – Members of the temporary staff – Disciplinary proceedings – Administrative investigation – Concept of ‘plagiarism’ – Appointment by the appointing authority of an investigator with whom it has a business relationship – Conflict of interest – Article 41(1) of the Charter of Fundamental Rights of the European Union – Objective impartiality – Article 17a – Official’s freedom of expression – Articles 11, 12 and 21 – Respect for the principles of loyalty and impartiality.#Case C-680/22 P.