'Ne bis in idem' principle can preclude the arrest, within the Schengen Area and the European Union, of a person who is the subject of an Interpol notice (ECJ)
ECJ - Judgment in Case C-505/19 WS v Bundesrepublik Deutschland (12.5.2021): The principle prohibiting the duplication of proceedings can preclude the arrest, within the Schengen Area and the European Union, of a person who is the subject of an Interpol notice. This is the case where the competent authorities are aware of a final judicial decision, taken in a State that is a party to the Schengen Agreement or a Member State, which establishes that that principle applies. In 2012, the International Criminal Police Organisation (Interpol) published, at the request of the United States and on the basis of an arrest warrant issued by the authorities of that country, a red notice in respect of WS, a German national, with a view to his potential extradition. Where a person who is the subject of such a notice is located in a State affiliated to Interpol, that State must, in principle, provisionally arrest that person or monitor or restrict his or her movements. However, even before that