The Washington Post’s Wonkblog “interviews political scientists Jon Hurwitz and Mark Peffley about their book on how blacks and whites perceive the criminal justice system, and what it implies for Trayvon Martin’s death, George Zimmerman’s acquittal, and the aftermath.” An excerpt, quoting Hurwitz/​Peffley:

We asked whether it’s a “serious problem” in their community that police “stop and question blacks far more often than whites” or that police “care more about crimes against whites than minorities.” On average, 70 percent of blacks, but only 17 percent of whites, considered these serious problems…[W]hile about 25 percent of whites disagreed with the statement that the “courts give all a fair trial,” more than 60 percent of African Americans disagreed. Repeatedly, using every possible barometer, we found that blacks doubted the fairness of the justice system much more than whites…

Much of the difference comes down to either personal or vicarious experiences that people have with police and the courts. We found that African Americans, especially younger black men, were far more likely than whites to report being treated unfairly by the police because of their race. In fact, a recent Gallup Poll found that one of every four black men under age 35 said that the police have treated them unfairly during the last 30 days.

This excerpt reminded me of a data point I included in the health care chapter I wrote for the Encyclopedia of Libertarianism:

A 2004 survey published in the journal Health Affairs hints at one way [public-health] powers could be abused. Amid widespread concern about bioterrorism, roughly equal shares of white and black Americans expressed support for quarantines to contain a serious contagious disease. When subsequently asked whether they would support a compulsory quarantine, where the authorities would have the power to arrest violators, 25% of whites changed their minds, whereas 51% of blacks did, indicating an awareness that these policies would not necessarily be fairly implemented.

It also reminded me of this John McWhorter speech, reprinted in the Winter 2011 issue of Cato’s Letter, where he argues the war on drugs is behind “the strained relationship between young black men and police forces,” and racial progress requires ending the drug war.