The U.S. Department of Justice’s (DOJ) National Drug Intelligence Center (NDIC) released the 2010 National Drug Threat Assessment (NDTA), highlighting trends in production, transportation, distribution, and abuse of drugs.  In addition, the NDTA estimates the economic cost of drug abuse at $215 billion annually.

From the report:

This report provides policymakers, law enforcement executives, resource planners, and counterdrug program coordinators with strategic intelligence regarding the threat posed to the United States by the trafficking and abuse of illicit drugs. The assessment highlights strategic trends in the production, transportation, distribution, and abuse of illegal and controlled prescription drugs. It also presents strategic intelligence regarding the operational trends and tendencies of drug trafficking organizations and street gangs that distribute illegal drugs and highlight drug trafficking trends along the Southwest Border.

Full report: http://www.justice.gov/ndic/pubs38/38661/index.htm

U.S. Department of Justice National Drug Intelligence Center (2010). National drug threat assessment 2010.