This master thesis illustrates and analyzes the limitations in the Swedish Extradition Act and Arrest Warrant Act of the possibilities of onward extradition to a third country and onward surrender to another member state. In a more global world the need for international cooperation in the field of criminal law is eminent more than ever. While, according to international law, each state has legal authority over people residing within its territory, many countries have entered extradition agreements with other countries around the world. The principle of reciprocity is in Sweden not binding and extradition can take place even without a specific international agreement, as long as it is in accordance with the Swedish Extradition Act. Extradit...