Introduction. The article is devoted to the issues of pseudolegal turnover of potentially dangerous materials, substances and products as a source of formation of means of mass destruction of people while committing crimes of sabotage and terrorist orientation. Theoretical analysis. The causes and genesis of the pseudo-legitimate turnover of edged weapons, barrelled gas weapon and firearms, new psychoactive substances with nonspecific increased toxicity or other pronounced damaging features are revealed in detail.
