In
criminal justice
Criminal justice is the delivery of justice to those who have been accused of committing crimes. The criminal justice system is a series of government agencies and institutions. Goals include the Rehabilitation (penology), rehabilitation of o ...
, clearance rate is calculated by dividing the number of crimes that are "cleared" (a charge being laid) by the total number of crimes recorded. Clearance rates are used by various groups as a measure of
crime
In ordinary language, a crime is an unlawful act punishable by a State (polity), state or other authority. The term ''crime'' does not, in modern criminal law, have any simple and universally accepted definition,Farmer, Lindsay: "Crime, definit ...
s solved by the police.
Clearance rates can be problematic for measuring the performance of police services and for comparing various police services. This is because a police force may employ a different way of measuring clearance rates. For example, each police force may have a different method of recording when a "crime" has occurred and different criteria for determining when a crime has been "cleared." One police force may appear to have a much better clearance rate because of its calculation methodology.
In
System Conflict Theory, it is argued that clearance rates cause the police to focus on ''appearing ''to solve crimes (generating high clearance rate scores) rather than actually solving crimes. Further focus on clearance rates may result in effort being expended to attribute crimes (correctly or incorrectly) to a criminal, which may not result in retribution, compensation, rehabilitation or deterrence.
References
Further reading
* Schmalleger, Frank. ''Criminal Justice Today, An Introductory Text For The 21st Century''.
External links
* - "The Post has mapped more than 52,000 homicides in major American cities over the past decade and found that across the country, there are areas where murder is common but arrests are rare."
See also
*
Criminal investigation
Criminal investigation is an applied science that involves the study of facts that are then used to inform criminal trials. A complete criminal investigation can include searching, interviews, interrogations, evidence collection and preservatio ...
*
List of unsolved deaths
This list of unsolved deaths includes well-known cases where:
* The cause of death could not be officially determined.
* The person's identity could not be established after they were found dead.
* The cause is known, but the manner of death (homi ...
Criminology
Law enforcement
Crime statistics
Ratios
Social statistics indicators
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