Editing Uniform Crime Reports (section)

== Coverage ==
Each month, law enforcement agencies report the number of known index crimes in their jurisdiction to the FBI.  This mainly includes crimes reported to the police by the general public, but may also include crimes that [[police officer]]s discover, and known through other sources.  Law enforcement agencies also report the number of crime cases [[Clearance rate|cleared]].

In 2003, FBI UCR data were compiled from more than 16,000 agencies, representing 93 percent of the population<ref>[https://www.fbi.gov/ucr/ucrquest.htm Frequently Asked Questions]. Federal Bureau of Investigation, U.S. Department of Justice. Washington, D.C.. ''Uniform Crime Reports''. Retrieved on 2008-03-30.</ref> in 46 states and the [[District of Columbia]].<ref>[http://www.ojp.usdoj.gov/bjs/nibrsstatus.htm UCR and NIBRS Participation] {{Webarchive|url=https://web.archive.org/web/20060425085732/http://www.ojp.usdoj.gov/bjs/nibrsstatus.htm |date=2006-04-25 }}. U.S. Department of Justice, Bureau of Justice Statistics. Washington, D.C. Retrieved on 2008-03-30.</ref>  While nationally reporting is not mandated, many states have instituted laws requiring law enforcement within those states to provide UCR data.