@article{Elfimov2025mass, author={Elfimov, P.V. and Vinogradova, O.P.}, title={Mass murders in educational institutions: determinants and organisation of prevention}, journal={Vestnik of the St. Petersburg University of the Ministry of Internal Affairs of Russia}, publisher={SAINT-PETERSBURG UNIVERSITY OF THE MINISTRY OF INTERNAL AFFAIRS OF THE RUSSIAN FEDERATION}, year={2025}, pages={92-101}, volume={2025}, issue={3}, }