Major crime drops were experienced in the United States and most other industrialised countries for a decade from the early to mid-1990s. Yet there is little agreement over explanation or lessons for policy. Here it is proposed that change in the quantity and quality of security was a key driver of the crime drop. From evidence relating to vehicle theft in two countries it is concluded that electronic immobilisers and central locking were particularly effective. It is suggested that reduced car theft may have induced drops in other crime including violence. From this platform a broader security hypothesis, linked to routine activity and opportunity theory, is outlined.

This paper examines aggregate crime trends and variation around them from 1988 to 2004 for 26 countries and five main crime types using data from the International Crime Victims Survey. Multilevel statistical analysis is used to identify the main trends. Major drops in crime were experienced in many countries from the early to mid-1990s onwards. The current analysis estimates that between 1995 and 2004, the mean international crime incidence reductions were: 77.1 percent in theft from cars, 60.3 percent in theft from person, 26.0 percent in burglary, 20.6 percent in assault and 16.8 percent in car theft. The study results suggest that, with the exception of burglary, all examined crime types fell by roughly the same rate across countries. The sample’s small number of countries in Latin America, Africa and Asia experienced even steeper reductions in burglary than occurred in Europe, North America and Australia.

This is a repository copy of Explaining and sustaining the crime drop: Clarifying the role of opportunity-related theories.

Anti-theft designs relating to mobile phones are reviewed. The physical and electronic design of handsets includes visual deterrents, owner-identification, and handset tracking options. The systems design of phone networks includes the blacklisting of stolen phones. Other measures include biometric-locking of handsets, and designs that encourage 'safe' phone use and transportation. Characteristics that promote anti-theft designs are proposed and form the acronym 'IN SAFE HANDS': identifiable, neutral, seen, attached, findable, executable, hidden, automatic, necessary, detectable, and secure. The set of characteristics is presented as a heuristic device to aid designing-out crime from frequently stolen electronic goods.

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