John Pfaff’s book on mass incarceration was mentioned in a Bloomberg article.
[F]ordham University law professor John Pfaff described in his excellent book “Locked In,” which I wrote about last year, it is local district attorneys and state lawmakers who drove the incarceration boom, so it’s mainly up to them to end it.
And yes, incarceration rates — and their trajectories over the past few decades — differ a lot from state to state.
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Also, Pfaff points out that, from 2015 to 2016 at least, the downward trend seems to be becoming more uniform across the states. Still, the main thing that stands out in the data is how different states have been and remain in their approach to crime and punishment.