The New York Times: Courts Approved More Than 2,400 Reduced Sentences Under New Law - Justice Department
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Inimai Chettiar, the legislative director at the Justice Action Network, said the tweaks [to the risk assessment] were "minor" and that she still has concerns the law is not being fully implemented.
She pointed to a July 2019 Reuters article, which found that federal prosecutors in some cases have fought back against some petitions for reduced sentences.
https://www.nytimes.com/reuters/2020/01/15/us/15reuters-usa-justice-prison.html