Closed-Circuit TV Surveillance Evaluation – Statistical Analysis of the Effects on Rates of Crime

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Authors
  1. Verga, S.
Corporate Authors
Defence R&D Canada - Centre for Security Science, Ottawa ONT (CAN)
Abstract
This paper reports on the statistical analysis conducted on crime data provided by the Toronto Police Services in order to assess the impact on crime after implementing the Closed Circuit Television (CCTV) pilot initiative. Over the period May 2007 to October 2008, the Toronto Police Services installed CCTV cameras in a number of selected areas for periods of time between six months and one year. This report documents the results of the application of standard statistical techniques to determine the effectiveness of surveillance cameras in reducing crime, and compares them with findings from previous research studies. The analysis is based on data derived from the Toronto Police Services call-for-service ACCESS database, a comprehensive, geo-coded database that includes all records of demands for policing services involving events of a violent nature from 1995. This report addresses questions related to crime reduction in the targeted areas and diffusion of benefits beyond the targeted areas, and makes some general considerations about displacement and dispersion.

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Keywords
CCTV;Surveillance effectivness;Toronto Police Services;Crime rates;ACCESS database
Report Number
DRDC-CSS-TR-2010-09 — Technical Report
Date of publication
01 Dec 2010
Number of Pages
54
DSTKIM No
CA034556
CANDIS No
534122
Format(s):
Electronic Document(PDF)

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