Proportion of reported crimes that are determined by be solved by law enforcement.

The traditional measure of success in criminal investigations for a police agency based on when the police have identified the offender, have sufficient evidence to charge him or her, and actually take the individual into custody.

The primary measure of police effectiveness under the traditional model of police work, expressed as the percentage of cases in which an offence has been committed and a suspect identified.

Clearance rates are used by various criminal justice groups as a measure of crimes solved by the police.