Crime has different definitions in different societies. Every crime is done by breaking the law or order but not all the breaking of rules is crime. In this chapter, there are factors which show the decline rate of crime in United States of America in 1990s whereas, there are some other reports which show there was no decline in the crime rate. Before 1990s, the crime rate in USA was very high. The crimes noticed at those times were homicide, rapes, robbery, Property ...