Nakhon Si Thammarat – Police Chief Big Tai has set a deadline for an internal investigation report by noon today concerning the heated issue of former minister and influential figure Chaiyanachai Detdecho slapping the ear of the Deputy Superintendent of Investigation at Thung Yai Police Station. The investigator is preparing to summon him to notify assault charges.
The case emerged through social media and public pages reporting that the Deputy Superintendent of Investigation at Thung Yai Police Station in Nakhon Si Thammarat was slapped on the ear by a former minister and influential local figure during a funeral for the mother of a local politician. This incident sparked public debate about the dignity of police officers. The event occurred on 8 Aug 2026, as previously reported.
The latest update as of 13 August 2026 reports that last night Thung Yai Police Station in Nakhon Si Thammarat submitted the case to the Royal Thai Police. The case has drawn significant public interest after the Deputy Superintendent of Investigation filed a criminal complaint for assault. The case was registered as number 402/2569, citing assault charges. The incident took place at 11:30 p.m. at Ban Huakhuan, Village 2, Prik Subdistrict, Thung Yai District, Nakhon Si Thammarat during the funeral rites of the mother of the mayor of Prik Subdistrict.
The victim in this case is Police Lieutenant Colonel Thanongsak Sawadikom, Deputy Superintendent of Investigation at Thung Yai Police Station. The suspect is Mr. Chaiyanachai Detdecho. The case has been reported according to procedure. Investigations are ongoing, including calling witnesses who were at the scene for detailed statements and searching for relevant photographic or video evidence.
According to reports from senior police officers, Police General Kittirat Phanphet, the National Police Chief, has ordered investigators from the Provincial Police Region 8 Command to interview the Deputy Superintendent of Investigation and other related witnesses. The investigation report is required by noon today.
News reports indicate that Mr. Chaiyanachai Detdecho is expected to appear today to acknowledge the charges after Thung Yai Police Station investigators prepare to formally charge him with assault.