The purpose of this project was to contribute, through research and analysis, to the improvement of the national and regional law enforcement capacities and coordination in preventing and combating high level corruption in SEE, bringing existing national mechanisms into compliance with international and European standards and best practices. The main goal of this project was to identify common challenges in fighting high level corruption using criminal law proceeding in the view to improve the efficiency and effectiveness of the investigations, prosecution, and trials. As well, it sought to identify the perception of the judges, prosecutors and police officers dealing with high level corruption about the extent of independence and effectiveness of the criminal judicial system in SEE countries.