%0 Journal Article %T TWENTY YEARS OF CRIMINAL LEGAL COUNTERACTION TO EXTREMISM (EXTREMIST ACTIVITY): HISTORY LESSONS, CURRENT STATE AND POSSIBLE PROSPECTS %A Petryanin, A.. %K extremism, extremist activity, constitutional system, state security, criminal policy %J Penal law %D 2022 %N 17 %P 6 %I Academy of the FPS of Russia