ABSTRACT

Corruption remains a major challenge to governance and the rule of law in Indonesia, requiring effective and coordinated law enforcement efforts. Under Indonesian law, the authority to investigate corruption cases is shared among the Corruption Eradication Commission (KPK), the Attorney General’s Office, and the Indonesian National Police. Although this arrangement is intended to strengthen the fight against corruption, it also creates legal issues due to overlapping authority and unclear jurisdictional boundaries among these institutions. This study aims to analyze the legal basis of the investigative powers held by each institution and to examine the juridical implications arising from overlapping authority in corruption cases. The research employs a normative legal method using statutory and conceptual approaches. Legal materials were collected through the study of legislation, legal doctrines, judicial decisions, and relevant academic literature, and were analyzed qualitatively. The findings show that all three institutions possess legitimate authority to investigate corruption offenses under different legal frameworks. However, the coexistence of these powers has resulted in concurrent jurisdiction, which may lead to legal uncertainty, procedural inefficiency, and institutional conflicts. Such conditions can hinder the effectiveness of corruption eradication and undermine public confidence in law enforcement agencies. Therefore, harmonization of regulations, clearer delineation of institutional authority, and stronger coordination and supervision mechanisms are necessary to ensure legal certainty, enhance institutional cooperation, and improve the effectiveness of anti-corruption enforcement in Indonesia.

Keywords: Corruption; Investigative Authority; KPK; Attorney General’s Office; Indonesian National Police.

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