TINJAUAN YURIDIS PENYERTAAN (Deelneming) TINDAK PIDANA NARKOTIKA DI WILAYAH HUKUM KEPOLISIAN SEKTOR KUANTAN HILIR (Nomor Perkara:BP/03/III/2019/Riau/Res Kuansing/Sek Kuantan Hilir)

A criminal act is an action or an act committed by a human being which is prohibited by the criminal law. One of the criminal acts that often occurs in Indonesia is Narcotics. In general, the Narcotics problem can be divided into three interrelated parts, namely the illicit production of Narcotics, illicit trafficking, and narcotics abuse. The problem in this research is how the modus operandi of narcotics crime in the Kuantan Hilir Sector Police jurisdiction, and how to enforce the deelneming of narcotics crime in the jurisdiction of the Kuantan Hilir Sector Police. For this writing, the author uses the sociological empirical legal research method by means of a survey, while the nature of the research is descriptive with a sampling technique using a population and a sample with a purposive sampling method. With data collection tools in the form of interviews and literature study. Based on the results of the study, it can be concluded that the Operandi Mode in the Deelneming of Narcotics Class 1 in the Kuantan Hilir sector police jurisdiction, there are calls to act by trying it for free, and then the perpetrator forms a genk or association consisting of couriers which is still in the same network. in law enforcement carried out by the Kuantan Hilir Sector Police in deelneming Narcotics crimes such as investigations, investigations, arrests, detention, searches, confiscation and submission of case files