First of all, I have never read "media" reports that are negative about the police, and I do not consider them the enemy.  I only know that I, a law-abiding 67-year old woman, have been treated very disrespectfully several times by  surly police, for absolutely no reason other than I wasn't going fast enough (usually a crawl because I know of a person who had a gun held to their head by a cop) through a work area or I didn't see them wave me on; and every single one of them was overweight.   I, a taxpayer, expect the police to be in excellent physical condition and maintain their proper weight.  It is, after all, a very physically demanding job.  Law-abiding citizens should not be afraid of the police.    
I am outraged whenever any person is killed by a gun.