TY CONF TI Reasons and conditions for the contract killing in Russia at the end of XX and at the beginning of the XXI centuries KW contract killings KW reasons KW conditions KW economics KW politics KW unemployment KW corruption KW legal nihilism KW the cult of enrichment JO Development of legal systems in Russia and foreign countries: problems of theory and practice AU Grudinin, N.S. PY 2024 PB Publishing Center RIOR