Park Sung-ho Retrial Case (2026)

In May 2026, the Tokyo High Court granted a retrial request for Park Sung-ho, a third-generation Zainichi Korean, who had been convicted of the 1999 robbery-murder of a convenience store clerk in Kawasaki. Park was sentenced to life imprisonment in 2002 based largely on a confession he later claimed was coerced. The retrial was triggered by newly disclosed DNA testing results that excluded Park and matched an unknown individual. The defense also presented evidence that key witness testimony had been fabricated. The retrial proceedings concluded in June 2026, drawing intense media attention in both Japan and South Korea.

On June 15, 2026, the Tokyo High Court overturned the original conviction and acquitted Park Sung-ho, citing the unreliability of the confession and the conclusive new DNA evidence. The prosecution announced it would not appeal to the Supreme Court.

The central disputes were whether the new DNA evidence constituted clear proof of innocence under Japan's strict retrial requirements, whether the original confession was obtained through duress and racial bias, and whether the prosecution's failure to disclose exculpatory evidence violated due process rights.

The case reignited criticism of Japan's rigid retrial system and lengthy review process. It also spotlighted systemic discrimination against Zainichi Koreans in the criminal justice system. In South Korea, the acquittal was celebrated as a human rights victory, leading to a joint statement by both nations' bar associations calling for criminal justice reforms. The case further influenced diplomatic dialogues on minority rights and judicial transparency.