Crime Classification Manual Part II Chapter 6 3 A STANDARD SYSTEM FOR INVESTIGATING AND CLASSIFYING VIOLENT CRIMES SECOND EDITION A survey of the figures reported in the UCR for all murders committed between 1976 and 2003 shows that the number of murders in the United States has fluctuated from 16,605 in 1976 to a peak of 21,860 in 1980, drop- ping to 20,613 in 1986 and up to 21,500 in 1989 to a low of 16,503 in 2003 (U.S. Department of Justice, 1977, 1981, 1987, 1989, 2003). The UCR also cites information about age, race, and sex of victims and offenders; types of weapons used; and situations in which killings took place. The current UCR classifies murders as follows: Felony murder (occurs during the commission of a felony) Suspected felony murder (elements of felony are present) Argument-motivated murder (non criminally motivated) Miscellaneous or nonfelony types (any known motivation not included in previous categories) Unknown motives (motiv...