This brief explains how pretrial risk assessments can benefit the community by improving public safety and reducing costs. Sections cover: what a pretrial risk assessment tool is; the risk factors that are on a pretrial risk assessment; why it is important to some a person’s risk level; the effectiveness of pretrial risk assessments; how pretrial risk assessments are developed; the challenges and limitations of a pretrial risk assessment; and the things criminal justice stakeholders can do to implement pretrial risk assessments.