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The article deals with topical issues of forensic support of pre-trial investigation in criminal proceedings on crimes related to the use of explosive devices, firearms and ammunition, illegal trafficking in narcotic, potent and psychotropic substances.

The concept and characteristics of explosive and ballistic objects and traces of the use of explosive devices and firearms are revealed, their forensic classification and recommendations for detection, recording and seizure are given, the characteristics of the most common drugs trafficked in Ukraine are presented and their effects on the human body are described, and the methods of their detection, recording, seizure during certain investigative (search) actions are revealed. It also provides data on the possibilities of identifying drug abusers by their appearance.

The author points out the modern possibilities of examination of explosive, ballistic objects, narcotic drugs and psychotropic substances, offers recommendations on the preparation of materials and formulation of questions for conducting relevant forensic examinations.

For students, trainees, faculty and researchers of higher education institutions and faculties of law, in-service training courses for investigators, operational and expert units of law enforcement agencies, judges and lawyers.