I'm getting assigned to the department narcotics unit for the next five months and was just wondering if anyone could recommend any good sources (internet, books, etc.) of information on narcotics and/or gangs. A good portion of the work I was told would be doing reversals, plain clothes details, etc.
             I'm also supposed to be going through a training course prior to starting but i'd like to have as much information as possible before I get out there. Thanks in advance.

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