Prosecutors frequently overcharge, load up charges on individual defendants, knowing that three strikes laws and harsh mandatory minimum sentences will force people to plea bargain and essentially convict themselves because they're terrified of doing a life sentence for a relatively minor crime.
If you take into account prisoners, a large majority of African American men in some urban areas, like Chicago, have been labeled felons for life. These men are part of a growing undercaste - not class, caste - a group of people who are permanently relegated, by law, to an inferior second-class status.
There has been an outpouring of anger and concern because of the actions of George Zimmerman, a private citizen who profiled a young boy and pursued him and tried to confront him, perhaps. But what George Zimmerman did is no different than what police officers do every day as a matter of standard operating procedure.