The officer ordered one of the passengers out of the car. While the officer patted him down, the suspect allegedly reached for a gun in his waistband.
Authorities said the officer pushed the suspect away and fired, striking the suspect twice in the upper body. He was declared dead at the scene.
Two other suspects fled, but were later arrested. They allegedly dropped handguns when fleeing. Police recovered the weapons.
The officer was not hurt in the shooting.