This chapter reviews the scientific evidence on the effectiveness of closed-circuit television (CCTV) surveillance cameras to prevent crime in public places. CCTV evaluations were carried out in four main settings: city and town centers, public housing, public transport, and car parks. The overall findings indicate that CCTV reduces crime in some circumstances. In light of these mixed results, the chapter suggests that future CCTV programs should be carefully implemented in different settings and should employ high-quality evaluation designs with long follow-up periods.
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