CHIANG RAI – Thai authorities have launched a massive crackdown on a major international drug smuggling network. The Office of the Narcotics Control Board (ONCB) led the successful two-day operation in late June 2026. This targeted raid successfully dismantled a syndicate that was trying to move illegal drugs across the Thai border.
The operation is part of a strict national policy called “Destroying the Drugs.” This specific campaign aims to remove corrupt government officials who help criminal networks. Top officials confirmed that law enforcement will show zero tolerance for any internal corruption.
Key Takeaways
- Authorities seized 529 kilograms of ketamine intended for international markets.
- A Police Lieutenant Colonel was arrested for leaking secrets to drug traffickers.
- Total assets worth over 16 million baht have been seized so far.
- The ongoing investigation targets connected networks in southern and western Thailand.
The breakthrough started in May 2025 in the Phan district of Chiang Rai province. Police officers arrested seven suspects and seized 529 kilograms of high-grade ketamine during that raid. Investigators discovered that the illicit drugs were safely packed and ready for export to a third country.
Following the initial arrests, financial investigators tracked the money trail of the criminal group. They discovered a highly organized criminal network with clearly divided roles for its members. This critical financial data allowed the police to secure arrest warrants for the gang leaders.
In August 2025, immigration officers captured a key coordinator known locally as “Jay Mueau.” She was arrested at the border while attempting to enter the country. Officers seized assets worth 10 million baht from her, dealing a heavy blow to the group.
Police Lieutenant Colonel Implicated
The investigation took a dramatic turn on June 22, 2026, in the Wang Saphung district of Loei. Specialized police units arrested a high-ranking Police Lieutenant Colonel at his private residence. The officer faced shocking accusations of protecting the drug syndicate from law enforcement.
Investigators revealed that the officer regularly leaked confidential government secrets to the traffickers. He also used his authority to help suspects avoid criminal prosecution. Faced with overwhelming physical evidence, the senior officer fully confessed to all criminal charges.
Police searched his home and seized assets worth over two million baht. These items included cash, gold jewelry, land documents, personal vehicles, and firearms. During a search of his office desk, officers also discovered 75 methamphetamine pills hidden in a drawer.
Tracking the Money and Arresting the Paymaster
The anti-drug operation continued into the next day with another major arrest in Loei province. Officers tracked down and arrested a suspect known as “Mr. Dew.” He served as the primary financial coordinator for the entire smuggling network.
Investigations showed that Mr. Dew managed the money transfers for the syndicate. He was responsible for paying the couriers who transported the drugs across the country. His arrest represents another major step in completely dismantling the organization’s financial structure.
So far, law enforcement agencies have arrested ten key suspects involved in this network. The total value of seized assets has now reached over 16 million baht. The ONCB is still actively tracing more financial links across Thailand.
Authorities are now expanding their search into the southern and western regions of the country. They promise to take strict legal action against any other officials involved. The government urges citizens to report any suspicious drug activities using the 24-hour hotline 1386.
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