At 11:30 p.m. on January 7, police in Bang Pakong, Chachoengsao, were alerted to the discovery of a deceased individual inside a parked pickup truck along the outbound side of Motorway 7 heading towards Chonburi. The vehicle was located at kilometer marker 42+300 in Bang Wua, Bang Pakong district.

Authorities found a white Toyota pickup truck with a steel cage in the back, parked near the roadside with the engine off. Inside, the body of a 52-year-old man, later identified as Mr. Adul, was discovered in a curled position across the driver's and passenger's seats. The body showed signs of decomposition and emitted a strong odor. Both side windows were slightly ajar, and the man was wearing a black and gray checkered shirt with blue pants.

No signs of injury, struggle, or external damage to the vehicle were detected. The absence of collision evidence suggested no prior accident. Investigators and highway police are working to determine the cause of death.