The communities don't trust them because they are constantly being fed B.S. about how the police are their enemies. That will never change as long as those driving forces exist. One bad act, by one cop in the country will set the whole country on fire again.

Compare the difference between Guilliani's broken window policing policy to the "Baltimore effect" Crime went down massively under Guilliani, and the biggest beneficiary was black neighborhoods. In Baltimore, crime has risen rapidly (and it was pretty bad to begin with).

Do you think any business or investment will move into a high crime area when police don't respond to shoplifting, loitering, and vandalism?