title: The informant: a narcotics enforcement dilemma.
mesh_terms: D003415:Crime; D003416:Criminal Law; D004335:Drug and Narcotic Control / Q000379:methods*; D004532:Ego; D005239:Fear; D006801:Humans; D013287:Illicit Drugs / Q000600:supply & distribution; D009042:Motivation; D014481:United States; D000078329:Workforce
chemical_list: D013287:Illicit Drugs