Officers were investigating in known drug trafficking area and approached a male who was leaning into the driver door of a vehicle in a parking lot. As the officer and sergeant exited their marked patrol vehicle and summoned the suspect to approach them, the suspect fled on foot. The officers pursued on foot while the sergeant pursued in the patrol car. The sergeant observed the suspect had a gun in his hand and turned towards the officer. The sergeant, in fear of the officer’s life, discharged his duty weapon at the suspect multiple times. The suspect was transported by ambulance to Ben Taub Hospital for a gunshot wound to the leg.