Investigator(s): U.S. Sentencing Commission This collection contains information on federal criminal cases sentenced under the Sentencing Guidelines and Policy Statements of the Sentencing Reform Act of 1984. The data files include all cases received by the United States Sentencing Commission that had sentencing dates between November 1, 1987, and September 30, 1995, and were assessed as constitutional. Constitutionality compares each case's sentencing date, circuit, district, and judge to provide uniformity in reporting the cases. The cases are categorized either as New Law, with all offenses occurring after the November 1, 1987, guidelines, or as Mixed Law, with at least one count occurring after the guideline effectiveness date and other counts prior to the guidelines.Years Produced: Updated annually