The Uniform Crime Reports (UCR) is an annual FBI publication that summarizes
the incident and crime rate of reported crimes throughout the United States. The UCR
Program was designed to permit comparison over time through construction of a Crime
Index. The Crime Index is an inclusive measure of the violent and property crime
categories of the UCR. The Uniform Crime Reports also include information on what the
FBI calls Part 1 Offenses. These offenses are also called major crimes.
Part 1 offenses or major crimes are (1) murder, (2) rape, (3) robbery, (4) aggravated
assault, (5) burglary, (6) larceny, (7) motor vehicle theft, (8) arson.
Murder is the defined as the unlawful killing of a human being. This definition
may include 1st and 2nd degree murder and manslaughter, involuntary manslaughter and
other similar kinds of offenses. Murder is the smallest numerical category in the Part 1
offenses. Over the years murder offenses have shown the highest clearance of any crime
The second offense Rape is defined as the unlawful sexual intercourse, achieved
through force and without legal consent. The Uniform Crime Reports define forcible rape
as "the carnal knowledge of a female forcibly and against her will". Forcible rape is the
least reported of all violent crimes.
The third offense is Robbery. It is defined as the unlawful taking or attempted
taking of property that is in immediate possession of another, by force or the threat of
force. Robbery is sometimes confused with burglary. Armed robbery differs from
unarmed robbery or strong-armed robbery with regard to the presence of a weapon.
Aggravated assault is the forth offense that is classified in the Part 1 offenses.
There are two types of assault, aggravated and simple. Assault is the unlawful, intentional
inflicting, or attempted or threatened inflicting, of injury upon the...