It was observed that at each of the

It was observed that at each of these sites, the number of instances of shoplifting was reduced over a period of 12 months. The reduction was greater in the two shops which were open until 11pm, rather than in the third shop, which closed at 8pm. Further studies are required to examine why this was the case and to consider the role played by the introduction of CCTV on the increased turnover experienced by all three shops over this period.