The Uniform Crime Reporting (UCR) Program was established in 1930 by the FBI to generate reliable crime statistics for law enforcement administration, operation, and management. It has been the primary source of crime data in the United States for decades.
The Summary Reporting System
The UCR's Summary Reporting System (SRS) is the best known component of the UCR. About 18,000 law enforcement agencies, including municipal police departments, sheriff's departments, campus police, transit police, park police, and many other agencies, reported monthly counts of Part 1 crimes (murder and nonnegligent manslaughter, forcible rape, robbery, aggravated assault, burglary, ...