At 7.30pm Thalang police led a team of officers to arrest the suspect, Ongart Meetab, 37, after receiving a court order for his arrest.
The suspect was hiding out in a house in Wichit and after police questioned him, he admitted to shooting the victim, Samingdam Polwong, 32, after arguing fiercely yesterday morning.
Ongart was taken to Thalang police station and later charged with first degree murder, illegal possession of firearm, and carrying a firearm in public without a permit.