A ton of the comments below are about how cops are abusing their power.  The other group that seems beyond the reach of justice are district attorneys.<p>The system is setup so that DA&#x27;s watch out for cops&#x27; backs and the cops for the DA&#x27;s.  Cops would be less likely to engage in bad behavior if they knew that DA&#x27;s were less willing to support it.<p>Oh, and then there&#x27;s the private prison system...