# South Korean police misconduct investigation

> Live situation record from CLSTR: https://clstr.news/situations/south-korean-police-misconduct-investigation
> Updated: 2026-09-13T00:17:00.000Z. Sources: 6. Developments: 2.

An investigation into the Jang Yun-gi murder case has focused on allegations of investigative negligence and misconduct within the South Korean police force. Initial probes examined whether officers improperly handled evidence, such as cable ties found in a suspect's vehicle, and whether sensitive information was leaked. These developments prompted criticisms of the police force for engaging in ‘patchwork reform’ through reactive, incident-driven policies rather than cohesive strategic changes.

The situation progressed to legal proceedings, with the first trial scheduled at the Gwangju District Court. Prosecutors have charged several officers, including a former violent crimes team leader and a sergeant, with aiding the destruction of evidence. Allegations include conspiring to return a vehicle containing key evidence to the suspect’s father and instructing team members to delete video footage. 

Furthermore, Sergeant A is accused of leaking sensitive details regarding arrest warrants and device seizures to the suspect’s father. The scope of the legal fallout has expanded to include four high-ranking officials, including a former National Investigation Headquarters Chief, who face indictment for abuse of authority related to the separation of the murder investigation from other related crimes.

## Timeline

### 2026-09-13: Police officers face trial for evidence destruction in Jang Yun-gi case

Police officers accused of destroying evidence and leaking investigation details in the Jang Yun-gi murder case face their first trial in Gwangju, South Korea.

4 sources. https://clstr.news/cluster/police-officers-face-trial-for-evidence-destruction-in-jang-yun-gi-case

### 2026-08-23: South Korean police investigation into Jang Yun-gi case nears conclusion

South Korean authorities are finalizing an investigation into police misconduct regarding the Jang Yun-gi murder case, amid growing criticism of reactive and inconsistent police reform efforts.

3 sources. https://clstr.news/cluster/south-korean-police-investigation-into-jang-yun-gi-case-nears-conclusion

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Cite as: South Korean police misconduct investigation. CLSTR, https://clstr.news/situations/south-korean-police-misconduct-investigation
