Abstract
The article deals with some issues of responsibility for participation in foreign armed conflicts. The author pays attention to the activities of special regional state security bodies and law enforcement agencies. Judging by the statistics of recent years, the problem of the participation of citizens of the Republic of Kazakhstan in extremist activities abroad is still relevant. The experience in the framework of the operation "Zhusan" is revealed. The author analyzed the definitions of national security and extremism from the position of reflection in the legislation and came to the conclusion that the study of the essence, types and forms of extremism is currently very important for the activities of state bodies, especially law enforcement agencies in the fight against extremism.