South Korea to push reforms: Serious Crime Investigation Agency and Prosecution Service

Flags fluttered outside the Seoul district offices of the Supreme Prosecutors' Office on the afternoon of the 17th as South Korea’s ruling party and government prepared a pivotal move on prosecutorial reforms.

The Democratic Party said it would push through the government-drafted measures to establish a Serious Crime Investigation Agency (중대범죄수사청) and a Public Prosecution Service (공소청) at the National Assembly plenary on the 19th. The party leader, Jeong Cheong-rae, announced at an emergency press briefing that the party, the government, and the Blue House had aligned to present a unified proposal.

The revised legislation narrows the scope of prosecutors’ duties compared with the original party position. The changes come after two prior revisions—one in January and another in late February—each adjusting how the new agencies would operate and how much investigative control prosecutors would retain.

A central point of contention is the removal of prosecutors’ direct command over the so‑called special investigative officers, a cadre deployed across central and local agencies. The plan would strip prosecutors of certain supervisory powers over these officers, a shift that critics warn could create gaps in investigations.

korea’s prosecution reform plan has long hinged on concerns about the capability and consistency of 특사경 (special investigative police) units. Some argue that turning over greater investigative autonomy to such units could risk uneven standards, while others say tighter central supervision is needed to protect rights and ensure legal rigor.

Supporters of the revised plan emphasize a tightened formal scope for prosecutors, limiting their functions by law and removing certain directing powers over investigations conducted by other agencies, including the Finance Ministry’s regulators. They say this aims to reduce prosecutorial overreach and clarify responsibilities.

Observers have pointed to data used by the Supreme Prosecutors’ Office showing wide disparities in the experience and professionalism of 특사경 staff: long-tenured specialists are a minority (about 35%), with roughly half of officers having less than a year of experience. The share of cases referred by 특사경 that proceed to prosecution has hovered around 40% in recent years, underscoring concerns about investigative effectiveness.

In a materials release on November 11, the Reform Task Force argued that prosecutors should retain some oversight to guide investigative fairness and human rights protections. Within a week, that stance appeared to soften, reflecting the delicate balance between accountability and operational independence in Korea’s evolving prosecutorial framework.

Lawmakers and legal insiders note that the capability and conduct of 특사경 units vary widely by agency. Some central bodies, such as those tied to national tax or labor ministries, are seen as more professional, while local and regional units may struggle with capacity, raising worries about consistent application of the law.

The changes under discussion would also strip several prosecutorial powers beyond supervision, including obligations to notify intake, the right to request indictments, and broad input rights on investigations. The draft would remove authorities over warrant execution and warrant requests, the power to halt investigations, and the ability to seek removal of investigators from duty.

Why this matters for the United States: Korea’s prosecutorial architecture directly affects how white-collar crimes, regulatory enforcement, and cross-border investigations are handled in one of Asia’s largest economies and a key U.S. ally. A reform that limits or clarifies prosecutorial power can influence how foreign firms operate, how quickly regulatory enforcement occurs, and how corporate investigations interact with Korean courts. For U.S. companies with joint ventures or supply chains in Korea, clarity on investigative authority and due-process protections can affect risk management, compliance costs, and the tempo of legal disputes. It also touches on broader regional security and governance dynamics in which the United States has strategic interests.