The effects of CCTV on Crime College of Policing（中央电视台对犯罪警察学院的影响）.pdf

The effects of CCTV on Crime What Works Briefing Overview: The review finds that use of Close Circuit Television (CCTV) can lead to a small reduction in crime. CCTV is more effective when directed against specific types of crime; it is effective at reducing theft of and from vehicles, but has no impact on levels of violent crime. What is a ‘what works briefing’? The review assesses the effectiveness of CCTV as a deterrent, rather than its effectiveness in detecting crime, assisting in The aim of this briefing is to summarise the best available investigations, and bringing criminals to justice. research evidence in relation to the use of CCTV and to highlight its implications for police policy and practice. This document briefly summarises a Campbell Collaboration Systematic Review1 which is a longer and more technical report that focused on the impact of CCTV on personal and property crimes. Applying rigorous selection criteria the review identified 44 projects in which CCTV was installed in an area and changes in crime rates were compared with a similar ‘control’ site where CCTV was not installed. The Review then drew general co