The line between a rigorous investigation and a “designed” prosecution has grow the central battlefield in one of South Korea’s most politically charged legal battles. At the heart of this storm is Park Sang-yong, a Deputy Chief Prosecutor at the Incheon District Prosecutors’ Office, whose conduct during the Ssangbangwool North Korea remittance investigation is now under intense scrutiny by the National Assembly.
The tension reached a breaking point on April 3, 2026, when Park appeared before the special committee investigating “political prosecution’s fabricated indictments.” In a move that sparked immediate chaos, Park refused to grab the witness oath, leading Committee Chair Seo Young-kyo to order him to leave the room and wait outside. The incident was not merely a procedural clash; it was a public manifestation of the deep distrust between the legislative branch and the prosecution regarding the legitimacy of the Ssangbangwool probe.
The ‘Unusual’ Nature of Telephone Defense
The controversy centers on allegations that Park engaged in an irregular form of “plea bargaining”—a practice that is not formally recognized in the South Korean legal system. Legal experts have described the reports of dozens of “telephone defense” sessions between Park and the legal counsel for Lee Hwa-young, the former Vice Governor for Peace of Gyeonggi Province, as highly atypical.
Leaked recordings have fueled these suspicions. In the audio, Park is heard discussing the trajectory of the case with attorney Seo Min-seok, suggesting that if Lee Hwa-young were to be framed as a co-conspirator with Lee Jae-myung, the outcome for Lee Hwa-young might be more favorable. Specifically, Park is recorded saying, “If he is indicted that way, the judge will be in a position where they cannot sentence [him] to a certain size,” and “Wouldn’t that be a satisfactory result?”
For the Democratic Party, these recordings are a “smoking gun” proving that the prosecution “designed” the case to target Lee Jae-myung. For the People Power Party, however, the focus remains on the substance of the allegations: that Lee Jae-myung was involved in illegal remittances to North Korea as a quid pro quo for his visit to the North.
An Elite Trajectory Under Fire
Park Sang-yong is not a peripheral figure in the prosecution; he is a product of the traditional elite track. Born in 1981 and a graduate of Seoul National University’s College of Law, Park passed the 48th Bar Exam and completed the 38th Judicial Research and Training Institute. His career has spanned key positions at the Seoul Central District Prosecutors’ Office, the Supreme Prosecutors’ Office, and various regional offices including Daejeon, Ulsan, and Suwon.

It was during his tenure at the Suwon District Prosecutors’ Office that Park first gained notoriety for handling high-profile cases, eventually rising to his current role as Deputy Chief Prosecutor in Incheon. This pedigree makes the current allegations of “case design” particularly damaging, as it suggests a systemic willingness to bend rules to achieve political ends.
The conflict now moves beyond the courtroom and into the realm of political survival. With the National Assembly’s special committee pushing for a full accounting of the “fabricated indictment” claims and the prosecution defending its investigative integrity, the Ssangbangwool case has evolved into a proxy war over the very nature of justice in South Korea.
Analytical Q&A
What exactly is the “case design” allegation?
The allegation is that Prosecutor Park Sang-yong did not simply follow evidence to a conclusion, but instead actively encouraged and incentivized key witnesses—specifically Lee Hwa-young—to provide testimony that would implicate Lee Jae-myung, promising softer legal consequences in return.
Why did Park Sang-yong refuse to swear in at the National Assembly?
While the official reasons for the refusal were a point of contention during the session, the People Power Party argued that he had the right to refuse, while the Democratic Party labeled the move as “cowardly.” Such refusals typically occur when a witness believes the committee’s mandate is politically biased or when they wish to avoid the legal penalties associated with perjury in a politically charged environment.
What are the potential legal consequences for the prosecution if these claims are proven?
If it is proven that a prosecutor improperly influenced witness testimony through unofficial “deals,” it could lead to the dismissal of the current indictments, professional disciplinary action against the prosecutors involved, and potentially criminal charges for abuse of power.
How does this impact the broader political landscape?
The case has become a litmus test for the Yoon Suk-yeol administration’s prosecution. A finding of “fabrication” would severely undermine the credibility of the government’s legal offensive against political opponents, while a vindication of the probe would solidify the claims of illegal North Korean dealings by the opposition.
Can a legal system maintain its legitimacy when the investigators themselves become the primary subjects of a national investigation?





