An interview form and sample release report of the District of Columbia PSA is included, as are 72 tables that illustrate the PSA's release recommendations, judges' release decisions, defendants' release outcomes, defendant characteristics before and after the new system, PSA's conditions recommendations, nonfinancial release conditions set by judges, bond amounts set by judges, safety outcomes of released defendants, court appearance performance of released defendants, and the PSA's assessments of risk as related to judges' decisions and defendants' outcomes. A methodological note explaining the two types of analyses required by the study is included; one involved comparisons of outcomes before and after the introduction of PSA's new recommendation system, and the other used multivariate statistical techniques to identify the best predictors of pretrial arrest. The major criminal justice agencies in the District of Columbia are described, and the District's statute on pretrial services and pretrial detention is presented. Risk assessment in the District and in other jurisdictions is examined, and a list of risk indicators is provided. Twenty-eight references are supplied.