Map of countries that don’t have an extradition treaty with the US, but do allow somewhat easy travel from there. If you’re going to commit a crime and flee, go to one of these places.

Green is actually visa-free, red you have to obtain some kind of visa. Grey means you can’t go there without risk of being sent back to America.
Which country do you think would be the best? Personally, I think Senegal or Morocco.
mongolia is the right answer
Valid but it’s hard to get there