A Thai mafia boss known as Kamnan Nok has been sentenced again after a court found him guilty of corruption tied to a road tender worth 44.88 million baht. On 28 October 2026, the Central Criminal Court for Corruption Affairs in Thailand handed Praween Chankhlai a three-year prison term for manipulating an electronic public procurement process for the renovation of 3.6 kilometers of road in Nakhon Pathom province, west of Bangkok. The contract was awarded to Por Raweekanok Construction, where Kamnan Nok was the general director at the time. Prosecutors said the defendants agreed to rig the bidding, favor certain companies, and exchange financial benefits to steer the award. The DSI, the Department of Special Investigations, had recommended prosecutions in January 2025 against 41 suspects. In court, nine organizers involved in the tender-fixing received three-year sentences, while employees received two-year terms. Eleven other defendants, accused in connection with buying bid documents, were sentenced to two years each. In total, 20 defendants were convicted and each ordered to pay a fine of 22.5 million baht. The road deal was described as only a small part of a wider scheme. The DSI said two companies linked to Kamnan Nok won more than 1,500 public contracts between 2012 and 2023, with alleged irregularities causing damage of several billion baht. Kamnan Nok was also already convicted over the murder of a highway police major. Major Sivakorn Saibua was shot dead on 6 September 2023 after refusing to help obtain a transfer for Kamnan Nok’s nephew. The investigation later led to police convictions for failure to act and for covering up evidence. Kamnan Nok himself received a life sentence on 30 January 2025 for ordering the assassination. He is now serving the three-year corruption sentence, with the new conviction tied to the tender-rigging case involving the 44.88 million baht road project.