The textbook meets the requirements of the state educational standard for the discipline "Law Enforcement agencies", contains information about state bodies engaged in law enforcement activities, as well as non-governmental organizations designed to promote it, reflects changes in legislation on the judicial system, the bar, the notary, the prosecutor's office, bodies of inquiry and preliminary investigation, justice, internal affairs and the federal security Service. For students and teachers of educational institutions of secondary professional education of a legal profile, as well as a wide range of readers interested in the protection of life, health, human and civil rights and freedoms, property, security and law and order from criminal encroachments.