BANGKOK – Police are investigating a mysterious case after a man and a woman were found dead inside a parked car. The tragic discovery took place early Saturday morning in a quiet alley located in the Phasi Charoen district.
Authorities arrived at Soi Bang Waek 15 after receiving reports from residents. Inside the silver-gray sedan, officers discovered the bodies of a 45-year-old man and a 27-year-old woman. Both victims showed unusual physical symptoms, including foaming at the mouth. According to the original report by MGR Online, investigators discovered open contraceptive packaging and hormone supplements at the scene.
Key Takeaways
- Mysterious Circumstances: A 45-year-old man and a 27-year-old woman were found dead with foam at their mouths inside a locked car.
- Timeline of Events: Witnesses noted the car engine ran from 2:00 AM until it shut down around 5:00 AM on July 4, 2026.
- Unclear Cause of Death: Forensic experts are investigating whether the deaths resulted from a gas leak or performance-enhancing substances.
Residents shared details about the vehicle’s movement before the grim discovery. A nearby homeowner stated they heard the car park opposite their house around 2:00 AM. Since the parking seemed normal, the resident did not investigate further at that hour.
Another neighbor tried to move their own car around 3:00 AM but found the sedan blocking the exit. The neighbor knocked on the windows, but no one responded from inside the vehicle. By 5:00 AM, the witness noticed that the car engine had stopped running, though the occupants remained inside.

Emergency Responders Force Entry into Car
Emergency rescue workers from the Ruamkatanyu Foundation had to use tools to open the locked doors. Inside, they found both front seats reclined and the car keys still in the ignition switch. The air conditioning unit was turned on when the vehicle originally stopped running.
Medical experts from Siriraj Hospital are currently conducting post-mortem examinations to determine the exact cause of death. Forensic teams are exploring two main theories, looking into either toxic gas inhalation or the use of illegal stimulants.
The younger brother of the female victim expressed deep shock over the sudden loss of his sister. He mentioned that they had celebrated her birthday together just hours before she left the house. She told him that someone was coming to pick her up around midnight.
The 27-year-old woman had recently moved to Bangkok from Nong Khai province to work as a swimwear salesperson. Police are currently checking phone records to identify the male victim and establish the relationship between the two.
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