There is such thing as non extradition orpartial- extradition agreements, which means that the né extradition country, may extradite individuals for certain crimes or under certain conditions from né extradition country. A small sovereign state on the island of Borneo, Brunei does not have an extradition agreement with the US. https://mylittlebookmark.com/story4124491/fascination-circa-english-speaking-lawyer-portugal