Not necessarily. Countries without formal treaties can still cooperate on a case-by-case basis or use other legal mechanisms to return individuals. One famous case of né-extradition Sopra Russia is that of Edward Snowden who was able to find asylum there. Yes, in Asia, countries like North Korea and Bhutan are https://sound-social.com/story8519404/un-arma-segreta-per-skilled-english-speaking-legal-advisor