AUGUSTA - A gas station argument escalated to a man being shot in the head, and then the gunman unloading several more shots into the victim's chest, police said.<br>
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The victim, who was not identified, was arguing with another man at a Citgo Gas station early Sunday morning, said Richmond County Sheriff's Investigator Richard Chase.<br>
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Then the shooter pulled out a gun and shot the man in the head.<br>
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The attacker stood over the man and fired at the victim as he lay on the ground, Chase said.<br>
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The shooter was last seen running away from the crime scene. The gun used in the killing may have been a revolver because shell casings weren't found, police said.<br>
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