As part of a collaborative effort to improve the nation’s community corrections system, The Pew Charitable Trusts and the Laura and John Arnold Foundation analyzed the leading research and identified the most pressing problems and some promising solutions. The available data leave many questions unanswered, but this review reveals key insights and challenges many assumptions about supervision.
— Read on www.pewtrusts.org/en/research-and-analysis/issue-briefs/2018/09/probation-and-parole-systems-marked-by-high-stakes-missed-opportunities
Here is more information:
Less is More in New York: An Examination of the Impact of State Parole Violations on Prison and Jail Populations
Failure should not be an option: Grading the parole release systems of all 50 states