The individual in international law — In general — Human rights and freedoms — Prosecution in the courts of one State of offences already successfully prosecuted in another State — Constitutional guarantee against renewed prosecution for the same offence — Whether including prosecution in foreign courts — European Convention on Human Rights and Fundamental Freedoms 1950, Article 27 — Whether broader prohibition could be derived therefrom — Article 3 — Whether renewed prosecution amounting to degrading treatment — The law of the Federal Republic of Germany