- P-ISSN 2671-8197
- E-ISSN 2733-936X
This study provides an empirical analysis of Chuguk (推鞫) cases during King Injo’s reign (1623–1649), focusing on the institutional mechanisms and practices of the state investigation courts (Chugukcheong, 推鞫廳). Using chronological records and the Chuangŭp Guk-an (『推案及鞫案』), it examines court locations, types of chuguk, participating officials, and procedures. Cases are categorized into treason, moral crimes, and bureaucratic misconduct, with moral offenses as the most common. Chuguk was mainly conducted via delegated commissions (wigung) rather than direct royal interrogations, reflecting a return to earlier judicial norms. The standardization of procedures and official composition under Injo laid the groundwork for the late Joseon judicial system, signaling a recalibration of authority between monarchy and bureaucracy.