There are certain countries which do not extradite their citizens under any circumstances, such as Brazil, Venezuela, and Cuba. In fact, Brazil is one of the easiest places to become a citizen through naturalisation, so perhaps that is also something to consider. One famous case of né-extradition Sopra Russia is https://thejillist.com/story8630767/una-chiave-semplice-per-english-speaking-lawyer-legal-assistance-portugal-unveiled