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. With that said, the US has extradition treaties https://mylittlebookmark.com/story4123386/5-fatti-facile-circa-interpol-red-notice-germany-descritto