TY JOUR TI AUTHORSHIP EXAMINATION OF TEXT MESSAGES: RECOMMENDATIONS FOR A PRE-EXPERT ASSESSMENT KW PRE-EXPERT ASSESSMENT KW AUTHORSHIP EXAMINATION KW AUTHOR IDENTIFICATION BY TEXT KW ONLINE COMMUNICATION KW ELECTRONIC CORRESPONDENCE KW MESSENGER JO FORENSIC EXAMINATION AU Gromova, A.V. PY 2025 IS 0 PB Volgograd Academy of the Ministry of Internal Affairs of Russia