The victim has been identified as Tobagonian Marcus Kellar.
According to reports Kellar was liming at Defusion Bar in Enterprise, Chaguanas, when at approximately 2 a.m. a man walked up to him placed gun to his head and fired.
Kellar died at the scene while the gunman walked out the bar.
Investigators have identified a suspect and police said an arrest is imminent.
An autopsy is expected to be completed today.