Offense Definitions

Offenses in Uniform Crime Reporting are divided into two groupings, Part I and Part II. Information on the volume of Part I offenses known to law enforcement, those cleared by arrest or exceptional means, and the number of persons arrested is reported monthly. Only arrest data are reported for Part II offenses.

Part I Offenses

Criminal Homicide:
a. Murder and nonnegligent manslaughter:
The willful (nonnegligent) killing of one human being by another. Deaths caused by negligence, attempts to kill, assaults to kill, suicides, accidental deaths, and justifiable homicides are excluded. Justifiable homicides are limited to: (1) the killing of a felon by a law enforcement officer in the line of duty; and (2) the killing of a felon by a private citizen.
b. Manslaughter by negligence:
The killing of another person through gross negligence. Traffic fatalities are excluded. While manslaughter by negligence is a Part I crime, it is not included in the Crime Index.
Forcible Rape:
The carnal knowledge of a female forcibly and against her will. Included are rapes by force and attempts or assaults to rape. Statutory offenses (no force used victim under age of consent) are excluded.
The taking or attempting to take anything of value from the care, custody, or control of a person or persons by force or threat of force or violence and/or by putting the victim in fear.
Aggravated Assault:
The unlawful attack by one person upon another for the purpose of inflicting severe bodily injury usually accompanied by the use of a weapon or other means likely to produce death or serious bodily harm. Attempts are included since it is not necessary that an injury result when a gun, knife, or other weapon is used which could and probably would result in serious personal injury if the crime were successfully completed. Attacks using personal weapons (part of the attacker's body) must result in serious personal completed. Attacks using personal weapons (part of the attacker's body) must result in serious personal injury to be classified as aggravated assault. Simple assaults are excluded from this count.
The unlawful entry of a "structure" to commit a felony or theft. The use of force to gain entry is not required to classify the crime as burglary. Burglary is broken down into three subclassifications: forcible entry, unlawful entry where no force is used, and attempted forcible entry. A "structure" is considered to include the following, but not limited to: dwelling houses, apartments, out buildings, public buildings, offices, factories, barns, cabins, etc.
The unlawful taking or stealing of property or articles without the use of force, violence, or fraud. This includes crimes such as shoplifting, purse snatching, pocket picking, thefts from motor vehicles, thefts of motor vehicle parts and accessories, bicycle theft, etc. This crime category does not include embezzlement, "con" games, forgery, and worthless checks. Motor vehicle theft is excluded from this category inasmuch as it is separate Part 1 offense.
Motor Vehicle Theft:
The unlawful taking or stealing of a motor vehicle, including attempts. This definition excludes taking for temporary use by those persons having lawful access to the vehicle. UCR defines a motor vehicle as a self-propelled vehicle that runs on the ground and not on rails. Examples included automobiles, trucks, buses, motorcycles, mopeds, snowmobiles, etc. Thefts of farm and/or construction equipment, boats, and airplanes are not included in this category but are counted as larcenies.
The willful or malicious burning of property with or without the intent to defraud. Includes attempts.
Part 2 Offenses
Other (Simple) Assaults:
An unlawful attack or attempted attack upon another which does not result in serious injury to the victim and which does not involve the use of a dangerous weapon.
Forgery and Counterfeiting:
The making, altering, using or possession, with intent to defraud, of anything false which is made to appear true. Includes attempts.
Fraudulent conversion and obtaining money or property by false pretenses. Includes bad checks, confidence games, illegal conversion of services, etc., except forgeries and counterfeiting.
Misappropriation or misapplication of money or property entrusted to one's care, custody, or control. Includes larceny from employer.
Stolen Property:
The buying, receiving, and possessing of stolen property, or the attempt to do so.
The willful or malicious destruction, injury, disfigurement or defacement of real or personal property without the consent of the owner or person having custody or control. Includes attempts.
All violations of regulations or statutes that control carrying, using, possessing, furnishing, and manufacturing deadly weapons or silencers. Includes attempts.
Prostitution and Commercialized Vice:
Sex offenses and attempted sex offenses of a commercialized nature. Includes prostitution, keeping houses of ill fame, pandering, detaining women for immoral purposes, etc.
All Other Sex Offenses:
All other offenses against common decency and morals. Includes statutory rape (without force) and all other sex offenses not previously defined.
Drug Laws:
The unlawful possession, sale, use, growth or manufacture of controlled substances. For UCR purposes these offenses are broken down into four subcategories: a. Opium or cocaine and their derivatives (morphine, heroin, codeine), b. Marijuana, c. Synthetic narcotics -- manufactured narcotics which can cause true drug addiction, d. Dangerous non-narcotic drugs.
Promoting, permitting or engaging in illegal gambling. Includes bookmaking, numbers and lottery, etc.
Offenses Against the Family or Children:
All charges of non-support and neglect or abuse of family or children. Note: Most child abuse, especially that resulting in injury, has been classified as either simple or aggravated assault.
Driving While Impaired:
Operating any motor vehicle or common carrier while under the influence of alcohol or drugs.
Liquor Laws:
Violation of state or local regulator laws. Includes sale to minors and drinking on a public conveyance. This category excludes Driving While Impaired and Drunk and Disorderly violations.
Disorderly Conduct:
Breaching the peace or attempting to do so. Includes violations of disturbing the peace, unlawful assembly and drunk and disorderly.
Violation of state or local statutes pertaining to being a "suspicious character or person," vagrancy, etc.

All Other Offenses:

All violations of state or local regulatory laws except traffic offenses and offenses defined above or below. Includes kidnaping, extortion, trespass, etc.

Curfew and Loitering Laws:
Juvenile violations of local curfew and loitering ordinances.
Runaways - (Juveniles):
The unlawful truancy from a legal place of residence by a juvenile.