
The victim's headless body, was found in a durian plantation in the district Yala's Than To district, police said. He was stabbed several times before his assailants chopped off his head and then burnt his remains.
Police said the victim's head was found on top of a spade, not far from the crime scene.
A leaflet written in Thai was left near the body saying: "This revenge is to remember the innocent people killed by officials inside the mosque."
The leaflet referred to the massacre at Al-Furqan mosque in Narathiwat's Joh I Rong district on June 8.
Masked gunmen fires with M-16 assault rifles and shotguns on about 50 Thai Muslims as they were at evening prayer at the local mosque.
Eleven people were killed and 12 wounded in that incident.