European Scientific Journal May 2014 /SPECIAL/ edition ISSN: 1857 – 7881 (Print) e - ISSN 1857- 7431 355 INTERNATIONAL LAW ENFORCEMENT COOPERATION Korontzis Tryfon Dr. Professor in the Hellenic National School of Local Government (ΕSTA) Nikaia, Piraeus, Hellas Abstract Modern states have created a society based on freedom, security and justice, respecting relevant international legal texts drawn up for this purpose, such as the European Convention on the Protection of Human Rights and on Fundamental Freedoms. The current-modern society is characterized by an elation of criminal activities and particularly of organized crime as also and of terrorism which international character, proves that for illegal activities there are no borders. Modern criminals’ businessmen trivialize and corrupt legitimate economies, societies and the state law through transnational criminal markets and by forming international illegal trade alliances. It is responsibility of all governments for their citizens’ benefit, to undertake effective measures in order to combat crime and its causes, with full respect on individuals’ fundamental rights, including personal data protection. Recognizing the important role that effective information exchange and close cooperation between the law enforcement agencies play in order to prevent and combat all forms of crime and serious crime, including terrorism, has been promoted the international law enforcement cooperation with the establishment of International and European organizations. Keywords: Interpol, europol, eurojust, epctf, frontex, selek, law enforcement agencies (leas), international organized crime, terrorism, European Union (EU). Introduction Combating of organized crime and terrorism, occupies modern societies with particular intensity in recent years. The latter make hard efforts especially after the terrorist attacks that have taken place in the U.S. in 2001 and in Europe (Madrid 2004, London 2005) in order to enhance at the utmost their internal security. Organized crime (Korontzis T. 2012 ΄΄c΄΄), (Korontzis T. 2012 ΄΄d΄΄) (Korontzis T. 2012 ΄΄g΄΄), (Korontzis T. 2012 ΄΄f΄΄), (Korontzis T. 2012 ΄΄h΄΄), today given the fact of the financial economic globalization and the increased transnational flows has taken international dimensions. The increase in international contacts, due to the fact that the distances because of the technology have been reduced, has led to the internationalization of criminal activities which are highly profitable. This led among other initiatives to the signed of the Palermo Convention in December 2000 by approximately of 120 countries. The above convention is referred against transnational organized crime. The development of international police cooperation is one of the ways that international community uses in order to deal systematically and methodically with organized crime and terrorism. International police cooperation is developing in three fields: a. - With the establishment of international organizations by the States, which are used as instruments of effective and immediate cooperation in judicial and police cooperation, b.- With the development of common legislative frameworks and security policies and