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Chapter 2

CRIM 1447 Chapter Notes - Chapter 2: Forcible Entry, Property Crime, Homicide

Course Code
CRIM 1447
Michaela Ruppert

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Chapter Two
Why and how crime is measured:
1. Measuring crime reveals the extent and nature of crime, which serves as one measure
of the well-being of the nation
2. Measuring crime can be used to evaluate the benefits of policy
3. Measuring crime helps identify groups in society that are suffering disproportionate
amounts of victimization and allows efficient and targeted assistance in addition to
addressing the needs of all victims
4. Measuring crime allows researchers to discover the root causes of crime, offending, and
When it comes to measuring the extent and nature of crime for the nation, two
methods are used: gathering data from official law enforcement records and asking
people if they have been victims to crime
o Page 34- UCR, SHR, NIBRS, NCVS
Measuring violent and property crimes
Uniform Crime Reports: UCR- system to gather uniform definitions for a standard set of
o UCR was designed to provide unified, reliable, and systematic information on a
set of frequently committed serious crimes reported to law enforcement
agencies across the country.
o Broken into part I and part II crimes.
Part I crimes include the most serious and regularly occurring crimes
Part II crimes include less serious and less regularly occurring crimes
See page 35 for chart of Part I and Part II crimes
o More recently referred to as the Summary Reporting System (SRS) primarily
offers counts of each type of crime
For example, the SRS data include whether a rape was completed or
attempted, whether a burglary involved forcible entry, the type of motor
vehicle stolen, and whether a robbery included a weapon
Supplementary Homicide Reports: SHR- FBI gathers detail information on homicide’s,
including victim’s age, sex, and race; the offender’s age, sex, race; weapon type (if any);
victim-offender relationship; and circumstances that led to the homicide (page 37)
National Incident-Based Reporting System (NIBRS)(39)
Two major clusters of crimes gathered by the FBI- Group A and Group B.
o Group A includes 23 crimes covering 52 offenses including homicide and robbery
More serious and frequently occurring- those most likely to come to
attention of law enforcement
o Group B includes 10 offenses such as loitering and drunkenness
Hierarchy Rule: used to facilitate counting crime, this rule ranks crimes from least to
most serious. In a criminal incident, only most serious crime committed during the
incident is counted
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