Joe Piette, #FreeOurMamas rally, Philadelphia, PA, May 15, 2020 (Source: flickr, CC BY-NC-SA 2.0 DEED) This was a car rally held outside the Riverside Correctional Facility. See the full photo album.
Literature reviews are a particularly useful resource when doing research. They address the issues involved in a specific question and the debates among scholars. They map out the intellectual terrain succinctly and give you the major landmarks in terms of key authors and significant titles for greater understanding.
A few examples are listed below. Search in both the Annual Reviews and Oxford Bibliographies Online to find additional literature reviews that address your specific questions.
The following sources summarize political and legal issues and provide some sense of the policy debates surrounding criminal justice. They can serve as an excellent resource for quickly identifying relevant points of view, terminology and changes over time.