Origin and Legitimacy of Exercising the Principle of Universal Jurisdiction in National Courts to Prosecute International Crimes

Universal Jurisdiction is a Powerful Tool at Service of International Justice. This Principle, which under this,States have the Option – and Sometimes the Obligation – to Prosecute Criminals, Regardless of Where the Crimes may have been Committed or of the Nationality of Perpetrators and the Victims, has evolved in Various Aspects. although the the Concept of Universal Jurisdiction Arose because of the Protect of International Trade, ths has now become anInevitable Necessity to Support Human Values. although legal Systems View of this Jurisdiction is different, but for Reasons Like, the Necessity for Protecting Common Interests, Protecting Human Values and the Victims Access to Justice Which has been expressed in the Justification of its Justification have brought it Closer to Universal Accepance. Thus, in this Paper, it has been Tried to Investigate the Source and Legitimacy for the application of the Principle of Universal Jurisdiction in the National Courts to Prosecution of International Crimes.