Forensic examination of illicit cannabis plantations


Anna Trynda
Central Forensic Laboratory of the Police

Anna Duszyńska
Central Forensic Laboratory of the Police



The aim of this article is to present selected aspects related to the sampling for the purposes of forensic examinations of plants from cannabis plantations suspected to be not of industrial hemp, and the methodology of plant material testing allowing to determine the total delta-9-tetrahydrocannabinol (9THC) and tetrahydrocannabinolic acid (9THCA) content. The result of the research allows to qualify the cultivation in terms of its legality using the percentage criterion of 0.2% defined in the Act on Counteracting Drug Addiction.

Key words: illicit cannabis plantations, cannabis plants, sampling, delta-9-tetrahydrocannabinol, tetrahydrocannabinolic acid