In early 2001, Australia experienced a sudden, significant reduction in the availability of heroin, following a number of years of unprecedented availability of high-grade heroin. This study examines changes in the scale, method, structure and visibility of heroin and other drug distribution in New South Wales (NSW), and in the incidence of possession and use of heroin and other drugs associated with this reduction in heroin availability. Police incident data on possession/use of illicit drugs and on incidents of acquisitive crime were analysed using time-series analysis. Key informants (n=71) from NSW law enforcement and health agencies and heroin users (n=53) were interviewed regarding changes in the drug market following the reduced availability of heroin. NSW police reports were accessed for information on police investigations into drug crime and related activities. Drug distribution in NSW appeared to change around the time of the heroin shortage. High-level distribution of heroin, cocaine and methamphetamine may have remained somewhat discretely managed by different organized crime groups but greater collaboration occurred between these groups. Among mid-level distributors, there appeared to be a shift in emphasis from heroin to other drug distribution. Low-level dealers may have made a short-term shift from heroin to cocaine distribution. Low-level drug dealing also appeared to shift towards mobile and less overt methods of dealing. The number of street-level dealers reduced and in the longer-term, visibility of the drug markets decreased. There were significant decreases in police incidents of heroin possession/use reported by police, which were more marked among males and younger persons. At the same time, increases were observed in incidents for cocaine possession/use. There was a sustained decrease in theft offences but a temporary increase in robbery offences during the peak period of reduced availability. This appeared to represent a shift in the criminal behaviour of users remaining in the market and was associated with changes in drug-use patterns. Although the motivation behind the offending behaviour remained the same over time, cocaine use was associated with more violent crime. The method and structure of illicit drug distribution changed along with reduced heroin supply and carried implications for the policing of drug markets. Australia does not have a large cocaine market and the findings may have differed in countries where cocaine is in more ready supply. (Abstract Adapted from Source: British Journal of Criminology, 2005. Copyright © 2005 by Oxford University Press) Austalia Foreign Countries Adult Crime Adult Substance Use Adult Offender Drug Possession Drug Related Crime Drug Use Effects Crime Causes Offender Substance Use Heroin Use 01-05
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