http://www.vox.com/2014/8/7/5978551/study-racism-criminal-justice-stop-and-frisk-reform-support
But as reforms move from proposals to actual bills, the key question is how to persuade the general public that change is needed. A new study suggests that highlighting racism in the criminal justice system is not the answer, and in fact pushes white voters in the opposite direction. Even when whites believe the current laws are too harsh, they're less likely to support changing the law if they're reminded that the current prison population is disproportionately black.