Not necessarily. Countries without formal treaties can still cooperate on a case-by-case basis or use other legal mechanisms to return individuals. The case highlighted the challenges posed by extradition Sopra the context of journalism and whistleblowing. But there are still dozens of countries that don’t have extradition to the UK. https://kingbookmark.com/story18604789/un-imparziale-vista-interpol-red-notice-czech-republic