A noodle vendor from Uthai Thani province is a new suspect in the case of a Bangkok banker whose dismembered body was found in plastic bags in a dry canal in Chai Nat province.
Police questioned vendor Pradit Suwannaphak, 46, yesterday after they discovered the victim, Kriangkrai Khwan-on, 24, had been at Mr Pradit's home shortly before his death.
Crime Suppression Division superintendent Pol Col Niran Namsuwan said Mr Pradit was released after questioning as police are still gathering evidence.
Mr Pradit had an intimate relationship with the victim for six months, Pol Col Niran said.
Their relationship had developed over Facebook.
Mr Pradit has denied any involvement in the killing.
Police have identified a second potential suspect, Pol Col Niran said, but are not naming the suspect at this stage.
Kriangkrai's butchered body was found last Thursday in Chai Nat.
Investigators have raided four locations which the victim was known to have frequented in Chai Nat, Kamphaeng Phet, Nakhon Sawan and Uthai Thani provinces.
Meanwhile, Chaiyaporn sae Ung, a Kamphaeng Phet dentist who police initially suspected in the murder, has been released from custody.
Police said he was not involved.
Kriangkrai's father, Sanit Khwan-on, had contacted police shortly after the police discovered the body. He confirmed the victim as his son.
Police said Mr Sanit also identified Kriangkrai's Mitsubishi Mirage car.
The car was last seen in front of Lat Yao Hospital in Nakhon Sawan before Kriangkrai's murder.
Police said Kriangkrai's limbs had been neatly severed, probably with a chainsaw operated by someone with a knowledge of anatomy.
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- Writer: Wassayos Ngamkham