The confrontation occurred Sunday evening at the Gulf station located on Cullen Boulevard near Yellowstone in southeast Houston.
Surveillance video shows the shooter, described as a 23-year-old woman, retrieving a rifle from the trunk of her car and pointing it toward the ground near a man armed with an umbrella and a pocket knife.
Then it shows the man swinging at the woman as she steps back and fires the weapon.
Family members identified the victim as 58-year-old Louis Daniel. from khou.com