Article states: "The suspect was shot in the back while driving away and died on scene after crashing." (emphasis mine)
This LEO made the decision to shoot back "after" the man started to drive away. The immediate threat was over. You have to admit, from what we can see from the video, the LEO was no longer in immediate danger, yet he kept firing until his pistol was empty during the time the man was obviously fleeing. Now, if the man in the vehicle had started backing up toward the LEO, then the LEO had every right to fire his weapon until the immediate threat ended.
Before you argue the LEO had every right to fire his weapon at a "fleeing" suspect who had just fired a weapon at him . . . I agree. I am actually supporting the right of the LEO ending this man's life. It was the suspect's intention to kill this officer. Consequently, the suspect had just forfeited his right to life. The LEO was professional, calm, and polite to the suspect. He did nothing to elicit the reaction of the suspect.
So, having said that, why cannot law-abiding citizens use the same discretion when they are attacked by someone intending to do them great, bodily harm or killing them? Why are law-abiding citizens charged with a felony when they commit a commensurate action toward their assailants?
In conclusion, police officers should have no more right to protect themselves than ordinary law-abiding citizens should have in protecting themselves. LEOs should be limited by the same laws that limit us or we should have the same options that they have when protecting ourselves. This is my point and the end of my diatribe (criticism).