National Drug Intelligence Center
National Drug Threat Assessment 2006
Map 1. Seven
National Drug Threat
Survey 2005 greatest drug threat as reported by state and local agencies.
Map 3. Areas
of influence of drug trafficking organizations in the United States.
Source: Drug Enforcement Administration; Organized Crime and Drug Enforcement Task Force.
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Map 4. Methamphetamine Threat
Map 5. Vectors
in the Transit Zone--CCDB-documented cocaine flow departing South America,
Source: Interagency Assessment of Cocaine Movement.
Principal drug distribution centers.
Principal Distribution Centers (PDCs) were identified primarily through analysis of domestic drug seizure data; however, law enforcement reporting also was considered. Analysis of EPIC data from 2000 through 2004 revealed the cities that were most often identified as the origin or destination of seized drug shipments. These cities constitute most of the identified PDCs. Other cities, however, were included based on law enforcement reporting that indicates these cities are likely as significant as other PDCs, despite somewhat lower associated drug seizures.
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