LAW on the Implementation of the Statute of the International Criminal Court and the Prosecution of Crimes against International Law of War and Humanitarian Law
II PROSECUTION OF CRIMES IN THE REPUBLIC OF CROATIA
Article 15
(1) At the Ministry of the Interior a special department shall be formed for criminal investigation and co-operation with the International Criminal Court in matters within the police responsibility (War Crime Department). The Department shall be composed of police officers experienced in the investigation of serious crimes.
(2) The War Crime Department officers shall conduct field investigation and take other necessary action, as well as coordinate and direct the work of other police authorities engaged in the investigation and detention of crimes suspects or in the co-operation with the International Criminal Court.
EDIT.