Four Arrested in Chiang Mai Rice Research Center Bid-Rigging Assault Case

According to a report by Matichon Online on September 24, 2026, Thai police have arrested four suspects involved in a bid-rigging operation at the Chiang Mai Rice Research Center. The group is accused of physically assaulting a victim, leaving them with severe injuries. Authorities noted that the suspects have extensive criminal records, with this incident marking the fourth case linked to the group.

For residents and travelers in the Chiang Mai area, this incident highlights ongoing law enforcement efforts to dismantle organized criminal groups involved in public sector corruption and associated violence. While the arrests represent a significant step in the investigation, one additional suspect remains at large, and police continue to pursue leads to ensure all involved parties are brought to justice.

It remains to be confirmed how the legal proceedings will unfold and whether further connections to other regional corruption cases will be uncovered during the interrogation process. The public is advised to monitor local news outlets for updates regarding the status of the remaining fugitive and the progress of the judicial process. This case serves as a reminder of the importance of transparency in public procurement and the risks associated with criminal interference in government projects.