Criminal Justice Archive

RFP: Building Rigorous Evidence About How to Improve Public Safety and Other Important Criminal Justice Outcomes

Research Report: Results from the First Six Months of the Public Safety Assessment–Court in Kentucky

UPDATE—Aug. 8, 2016: A report on the results from the first six months of use of the Public Safety Assessment (PSA) throughout the state of Kentucky has been removed from the Laura and John Arnold Foundation website because of an error that was identified in the underlying data file. The error affects a small proportion of … Read More

Research Summary: Pretrial Criminal Justice Research

This research summary presents the results of three research studies, conducted over two years, that found that extended pretrial detention is highly correlated with longer jail and prison terms, increased criminal activity after cases are over, and a decreased likelihood that defendants will return to court.

Research Report: The Effect of Pretrial Detention on Sentencing

This study, using data from Kentucky, found that defendants who were detained for the entire pretrial period were more likely to be sentenced to jail and prison and for longer periods of time.

Research Report: The Hidden Costs of Pretrial Detention

This study, using data from Kentucky, uncovered strong correlations between the length of time low- and moderate-risk defendants were detained before trial and the likelihood that they would reoffend in both the short and long term.