People guilty of crimes should be tried and prosecuted. Judges should impose the sentence, and for serious crimes that probably includes a jail sentence which i

People guilty of crimes should be tried and prosecuted. Judges should impose the sentence, and for serious crimes that probably includes a jail sentence which is the ultimate restriction of movement. If that also includes restricting their international movements as part of their sentence, fine. But simply having been at one time convicted of a crime should not automatically banned from air travel.