Investigation of corruption cases handled by three agencies as well as the Corruption Eradication Commission (KPK), the Attorney and Police, as well as courts, of course, the first-mentioned three institutions have the right to conduct an investigation, although it is possible given the system the Book of Law - Law of Criminal Procedure (CCP) taking integrated system (criminal Justice System), but in a way often cause problems, where the agency feels its role in fighting corruption is smaller than the other anti-corruption agencies, especially the police, so the police was always given part case - waste matter, such as robbery , theft, murder, etc., so if it is not addressed immediately will lead to serious consequences, especially towards the harmonization of the main requirements for the countries that use the integrated enforcement system.