In 1935, when it was knowingly inflicting the neurological damage of leaded gasoline on an unsuspecting world, Du Pont took as its slogan” “Better living through chemistry.”  Du Pont understood this is just what people want to believe.  Take the idea of better policing through technology.  People want to believe this, too, but Matt Stroud in his new book Thin Blue Lie says gizmos from Tasers to Vipers to the latest predictive databases and facial recognition software don’t make police better servants of the people.