TAILIEUCHUNG - Lecture Criminal investigation - Chapter 19: Recognition, control, and investigation of drug abuse

This chapter identify and describe several opium‑derived drugs; list and describe synthetic narcotics; identify and distinguish among stimulants, depressants, and hallucinogens; outline techniques used in investigating dangerous drugs and narcotics; assess the motives, methods, and management of drug informants;. | NINETEEN Recognition, Control, and Investigation of Drug Abuse LEARNING OBJECTIVES Identify and describe several opium‑derived drugs List and describe synthetic narcotics Identify and distinguish among stimulants, depressants, and hallucinogens Outline techniques used in investigating dangerous drugs and narcotics Assess the motives, methods, and management of drug informants Describe the process of identifying and conducting raids on clandestine labs Explain the type of information necessary to establish probable cause and obtain search warrants Be familiar with drug evidence handling and potential security problems 19-1 OPIUM-DERIVED DRUGS Opium One of the first drugs of abuse was opium Morphine Morphine is obtained from raw opium Heroin (Diacetylmorphine) Heroin was found to be considerably stronger than morphine in 1890 19-2(a) OPIUM-DERIVED DRUGS (cont'd) Codeine The alkaloid codeine is found in raw opium in concentrations from to percent. It was first isolated in 1832 as an impurity in a batch of morphine. Other Opium Derivatives Other opium derivatives abused and stolen from pharmacies, hospitals, and physicians are Dilaudid, Papaverine, and Pantopon. 19-2(b) HEROIN FILLED LATEX BALLOONS Heroin is smuggled into the . in a variety of ways Drug couriers often swallow heroin filled balloons before boarding commercial planes Most heroin is smuggled into the . from Columbia 19-3 (Courtesy Drug Enforcement Administration) SYNTHETIC NARCOTICS Synthetic narcotics, though chemically related to the opium alkaloids, are produced entirely within the laboratory Meperidine (Pethidine) The commercial name for meperidine is Demerol, and it was the first synthetic narcotic Methadone A heroin-dependent person can be treated with doses of methadone as a replacement for heroin 19-4 STIMULANTS Drugs falling into the stimulants group directly stimulate the central nervous system Cocaine Cocaine is a naturally occurring stimulant that is extracted from the leaves of

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