Heather Mac Donald, City Journal
The attempt to find systemic police bias has come to this: the difference between an officer saying “uh” and saying “that, that’s.” According to Stanford University researchers, police officers in Oakland, California, use one of those verbal tics more often with white drivers and the other more often with black drivers. If you can guess which tic conveys “respect” and which “disrespect,” you may have a career ahead of you in the exploding field of bias psychology.
Source: Real Clear Politics