A 35-year-old merchant reportedly overcome by stress shot himself dead outside his home in Pathum Thani early Sunday morning in an incident captured by a CCTV camera.
Pol Captain Watcharapong Thienpratham of Khlong Luang district police said officers were at the house in Tambon Khlong Sam at 1.30am with a medical examiner and Ruam Katanyu Foundation rescue workers.
Kriengkrai Joilek was lying on the ground with a single gunshot wound to the right temple and a loaded pistol nearby.
His wife Meunkwan Chunchai, 29, told police Kriengkrai suffered from depression and often said he wanted to die.
She said Kriengkrai had returned home from visiting a friend at 9pm when she heard the gunshot and went outside to find him dead.
She had not seen the gun before.