States as international persons — In general — Sovereignty and independence — Conduct of foreign relations — Extradition — Allegation of defect in legal processes in requesting State — Whether a matter for the courts or the Executive of the requesting State — The law of the United States

The individual in international law — Extradition — Procedure of extradition — Extent to which the courts of the extraditing State should inquire into the legal processes of the requesting State — Whether a matter which should be left to the Executive — The law of the United States

The individual in international law — Extradition — Conditions of extradition — Requirement that evidence against the fugitive should be sufficient to justify committal in the extraditing State — Constitutional bar to fugitive's trial in extraditing State — Rule against double jeopardy — Extent to which the courts of the extraditing State should inquire into the legal processes in the requesting State — The law of the United States