Crime is one of the forms of actions that violate social norms in society. One of the criminal offenses frequently occurring in communities is murder. The focus of this study is to explore the factors that trigger premeditated murder by individuals closely related to the victim and to analyze the efforts made by the police in handling such cases. This research employs an empirical approach, also known as a sociological legal study or field analysis. The respondents in this study include the police officials from Polresta Bandar Lampung, criminal investigators from Polresta Bandar Lampung, and criminal law lecturers from the Faculty of Law at Universitas Lampung. Data were collected through literature reviews and field observations, and analyzed qualitatively. The findings indicate several factors contributing to premeditated murder by close associates, including inadequate economic conditions, low education levels, revenge, and drug use. The police address premeditated murder through both penal and non-penal efforts. Penal efforts involve direct handling of cases by conducting investigations, inquiries, and arrests. Meanwhile, non-penal efforts focus on preventive measures aimed at preventing crimes before they occur. The primary focus of non-penal measures is managing the conditions that trigger criminal acts.

Narcotics abuse is a very dangerous thing, because in addition to having an impact on the user's personal self, he will become addicted and his life will depend on narcotic substances, which if not prevented (treated), the type of narcotics that will be used will become stronger. and the larger the dose. Recidivism is the behavior of a person who repeats criminal acts after being sentenced by a judge's decision which has permanent legal force because of criminal acts that have been committed previously. The problem approach used is an empirical juridical method supported by a normative juridical approach. The data collection technique is that primary data is obtained through interviews with research subjects and secondary data is collected by reviewing through literature studies such as statutory regulations, books or literature, and journals. Data analysis uses qualitative data analysis. The factors that cause recidivism in narcotics abuse crimes are internal factors and external factors. Internal factors consist of uncontrollable desires, behavior, diligent praise, easily frustrated, and the character itself. External factors that cause someone to repeat the crime of narcotics abuse include environmental and social factors, economics, information and communication technology, and family factors. Efforts to overcome the recidivism of narcotics abuse that can be carried out are pre-emptive efforts, preventive efforts and repressive efforts.