IMPLEMENTATION OF ARTICLE 310 PARAGRAPH (4) OF LAW NUMBER 22 OF 2009 ON ROAD TRAFFIC AND TRANSPORTATION AT THE INVESTIGATION STAGE AT MANDAILING NATAL POLICE (CASE STUDY AT MANDAILING NATAL POLICE)

Muhammad Kholil (Faculty of Law, Universitas Muslim Nusantara (UMN) Al Washliyah, Indonesia)
Syahrul Bakti Harahap (Faculty of Law, Universitas Muslim Nusantara (UMN) Al Washliyah, Indonesia)

Jurnal Ilmu Hukum dan Keadilan
Vol 1 No 3 (2026)

This study examines legal issues involving criminal investigation, law enforcement, criminal law. It employs normative legal research with an empirical juridical approach and draws on interviews, official examination reports (BAP), court decisions, statutory regulations, official documents. The findings show that the applicable legal framework must be connected to the specific elements and facts of the case. Investigation or implementation also requires consistent documentary records, witness statements, relevant evidence, and procedural safeguards. The study highlights the need for accurate legal reasoning, coherent documentation, institutional coordination, and accountability. These findings support a more consistent application of Indonesian law concerning criminal investigation, law enforcement