Extradition is a form of international judicial cooperation in criminal matters, consisting in the procedure by which a sovereign state )state) agrees to surrender to another State (the requesting state) a person within its territory and who is being prosecuted or sent to court for a criminal offence or is wanted for execution of a sentence in the requesting State. Extradition has the purpose to avoid circumvention of the criminal liability of persons who have committed a crime in one state and refuge on the territory of another state.