International Law vs. the American Constitution

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…head of state. In September of 1998 (?) British police without prior warning seized him weeks after his entering Great Britain on a diplomatic passport. The Chilean government though, did not want to be put in a position to challenge the amnesty law that protected Pinnochette from domestic prosecution. So when the British police arrested Pinnochette, the Chilean government immediately protested and assisted Pinnochette with his legal battle in the British Courts. Pinnochette was released in October.