Under principles of due process, criminal laws must give people fair notice of conduct the law prohibits so that they can avoid stepping over the line.

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Any thought that due process puts beyond the reach of the criminal law all individual associational relationships, unless accompanied by the commission of specific acts of criminality, is dispelled by familiar concepts of the law of conspiracy and complicity.

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"It guarantees the right to due process of law, a fundamental principle of international criminal law, " Ms Fernandez said.

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