The conduct of the second officer underscores the point that this is not just a case of a few rogue bad apples. This issue is coast-to-coast... NYC to LA... Northern states, Southern ones, the Midwest, East coast, West coast, and everything in between. It's not "a few bad cops" that are spoling the reputations of the rest of the angelic pure-as-the-driven-snow cops. It's the other way around. They're mostly bad, and the "good" ones are the exception, rather than the rule.
I would like to see States choose (or the Fed govt force them to choose) one of the following, to substantially reduce these incidents:
1. Require police to live in the precinct where they work. Either move to the precinct where you work, or if you dont want to move, then transfer to your home-precinct. Or quit and make room for locals to get the jobs. Many of these inner city neighborhoods could use the local high paying jobs for the economy. Plus cops will care much more about improving their own neighborhood. Also police will treat their neighbors much more considerately and carefully, and the neighbors will respond much better to cops that they know. As far as the effect on officer safety goes, I say public safety has to outweigh officer safety. Be a valuable, helpful member of your community, don't be a jerk and you won't have to worry about people knowing where you live.
2. No guns or tazers for regular officers. Nightstick, mace, radio, flashlight, maybe even dogs in the cruisers if they want (plenty of shelter dogs needing homes). If a situation calls for guns then you have to call for a Captain or a SWAT team who will have special training and authority to use firearms/tazers. That way everything is documented on video and the suspect will be more likely to surrender when faced with overwhelming armed force. You also get rid of the "his word against mine." Less deaths all around.
3. No more "self defense" or "I was in fear" justification for deadly force by police. Police can use deadly force only to protect members of the public from imminent death or serious bodily harm. Deadly force is never justified to protect only the officer and/or other officers. This way, if a guy is waving a gun around or shooting in public there will be plenty of witnesses, and we avoid these self-serving police reports where the only two witnesses are the shooting-officer and the dead guy. Again, public safety is more important than officer safety. If you want to keep your "right to self defense" then fine, get a new job. There are plenty of people that need a good government job.
Again, pick one. Any one of these will acheive the desired effect, and every state can pick the one that tailors best to their needs.