Within the bilateral project “Legitimacy of policing and criminal justice systems in Slovenia and Serbia – comparative approach”, the first meeting of the working group was held in Ljubljana in the period from 19th to 21st of March 2015. Members of the research group of the Law Faculty University of Belgrade are professor Đorđe Ignjatović, assistant professor Vanja Bajović and lecturer Natalija Lukić. Members of the Faculty for Security Studies University of Maribor are professor Gorazd Meško, professor Bojan Tičar and assistant professor Katja Eman. At the meeting it was discussed about the methodology of the research on legitimacy of policing and criminal justice and about the questionnaire that will be analyzed. Results of the research will be published in criminal justice journals both in Slovenia and Serbia. The next meeting of the working group will be held in Belgrade in September 2015.