Sociology 1603 - Chapter Two (Measuring Crime) Part ONE

CRIM/SOCI 1603 Introduction to Criminology

CHAPTER TWO - LECTURE ONE: Measuring Crime Official Statistics

Introduction

  • Understanding crime requires distinguishing between the actual reality of crime and public perceptions influenced by the media.

  • To ascertain the empirical reality of crime, observable data must be systematically collected.

  • Crime measurement methods include:

    • Official statistics

    • Self-report surveys

    • Victimization surveys

    • Observational accounts

Part ONE: Official Statistics

  • Most countries measure crime rates through various methods.

  • When crime data are compiled by police, these are termed as 'official crime statistics' or 'police-reported crime statistics'.

  • Includes an objectivist-legalistic definition of crime.

  • Statistics Canada is responsible for collecting and analyzing crime data, specifically through the Canadian Centre for Justice Statistics (CCJS).

  • Canadian police departments provide crime data annually to the CCJS using the Uniform Crime Reporting (UCR) system.

Official Statistics and the UCR System

  • The UCR system:

    • Based on police crime reports.

    • Systematic data collection began in Canada in 1962.

    • Approximately 1,200 police detachments report to the CCJS annually.

    • Crime statistics are typically published within one year of data collection (e.g., 2020 data published in 2021).

    • General categories in the UCR:

      • Violent crime (e.g., homicide, robbery, assault)

      • Property crime (e.g., breaking and entering, arson)

      • Other Criminal Code violations (e.g., disturbing the peace, impaired driving)

UCR Data Representation

  • UCR data reflects "crimes known to the police".

  • The UCR2 survey (since 1988) includes data from victims and accused persons for incident-based reporting.

  • Not all crimes known to police are ultimately counted:

    • UCR classifies incidents based on the most serious offence (MSO).

    • Officers may not fully document reported crimes (e.g., a sex trade worker's assault report may not be recorded).

Case Study: Official Statistics

  • Scenario: A criminal incident involves breaking and entering and assault.

    • Question: Which offence is recorded based on the MSO rule?

    • Answer: Assault is counted; breaking and entering is omitted.

  • MSO is defined as the offence with the longest potential sentence according to the Criminal Code.

  • Violent offences take precedence over non-violent ones, leading to less serious crimes being underrepresented in official statistics.

Official Statistics: The Crime Rate

  • Yearly crime tallies are reported both as absolute numbers and rates.

  • Crime rate is expressed per 100,000 population for standardization purposes, allowing for comparisons across different regions and years.

  • Crime Rate Calculation:

    • Formula:

      of Police-Reported Crimes x 100,000

      = Crime rate per 100,000population size

Crime Severity

  • A major limitation of standard crime rates is that they do not reflect the seriousness of reported crimes.

  • The Police-Reported Crime Severity Index (PRCSI) was introduced in 2009:

    • Each offence is weighted based on actual court sentences.

    • Serious crimes receive higher weights; less serious ones receive lower weights.

    • PRCSI reflects changes in crime trends more robustly by considering weight when calculating the index.

Official Statistics: Problems

  • Official crime statistics can fluctuate annually due to factors beyond actual crime trend changes, such as:

    • Legislative changes (e.g., criminalizing or decriminalizing certain behaviours) can impact statistics significantly.

    • Resource availability (both human and financial) for police departments affects the recording of crime.

    • Priorities in law enforcement can skew reporting based on specific crimes targeted in certain areas.

Limitations of Official Statistics

  • Caution is advised when interpreting police-reported crime statistics:

    • Not all police departments submit data consistently.

    • Many reports of crimes are not captured in the UCR.

    • Victims may refrain from reporting crimes due to:

      • Lack of insurance coverage

      • Fear of retaliation from the perpetrator

      • Economic dependence on the offender

      • Perception that police intervention would yield no results

      • Offences perceived as minor or trivial may not be reported

      • Victims may be unaware they’ve been victimized

      • Concerns about the cost and inconvenience of reporting

      • Distrust or fear of the police and judicial system