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Criminal Investigation Introduction
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Criminal Investigation Introduction

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Questions and Answers

What is the primary objective of a criminal investigation?

  • To understand the effect of drugs on human behavior
  • To discuss the main objectives and steps taken in a preliminary investigation (correct)
  • To identify conditions or indications that suggest drug activity
  • To identify the major classifications of drugs
  • What are the three basic categories of drugs classified by their effect on the central nervous system?

  • Narcotics, Anorectics, and Barbiturates
  • Depressants, Stimulants, and Hallucinogens
  • Tranquillizers, Amphetamines, and Analgesics
  • Depressants, Stimulants, and Narcotics (correct)
  • What is a side effect of depressant drugs?

  • Slurred speech (correct)
  • Improved concentration
  • Increased energy
  • Weight loss
  • What type of drug is anorectic?

    <p>Stimulant drug</p> Signup and view all the answers

    What is a type of non-narcotic depressant drug?

    <p>Barbiturate</p> Signup and view all the answers

    What is the purpose of this lesson plan?

    <p>To provide an overview of criminal investigation objectives</p> Signup and view all the answers

    What is the primary danger with look-alike drugs?

    <p>The amounts in which they are consumed</p> Signup and view all the answers

    Why is heavy vehicle traffic a sign of potential narcotic activity?

    <p>Because it is often accompanied by short visits and late-night activity</p> Signup and view all the answers

    What might officers find in the garbage near a potential drug manufacturing site?

    <p>Chemical containers</p> Signup and view all the answers

    What is a common activity associated with drug manufacturing?

    <p>Late night activity</p> Signup and view all the answers

    What is a possible consequence of consuming high doses of look-alike drugs?

    <p>Heart or respiratory failure</p> Signup and view all the answers

    What is the primary effect of hallucinogenic drugs on the central nervous system?

    <p>To distort reactions</p> Signup and view all the answers

    What is the purpose of the Controlled Substance Act?

    <p>To regulate drugs according to their potential for abuse and misuse</p> Signup and view all the answers

    What is the active chemical ingredient in marijuana?

    <p>THC (tetrahydrocannabinol)</p> Signup and view all the answers

    What is the typical THC content of sinsemilla marijuana?

    <p>4-7%</p> Signup and view all the answers

    What is the purpose of hashish oil?

    <p>To further concentrate cannabis plant materials</p> Signup and view all the answers

    What is a common effect of marijuana use?

    <p>Red bloodshot eyes and dilated pupils</p> Signup and view all the answers

    What is the penalty for possessing under 35 grams of marijuana?

    <p>Misdemeanor</p> Signup and view all the answers

    What is the typical color of hashish?

    <p>Dark brown, blonde, or black</p> Signup and view all the answers

    What is the effect of high doses of marijuana?

    <p>Acute paranoia and severe depression</p> Signup and view all the answers

    What is the packaging of cocaine like?

    <p>Small paper packets or tin foil packets</p> Signup and view all the answers

    What is the primary source of cocaine?

    <p>The leaves of the coca bush</p> Signup and view all the answers

    What is the common method of consuming crack cocaine?

    <p>Snorting through the nostrils</p> Signup and view all the answers

    What is the purpose of cutting cocaine with other substances?

    <p>To increase its weight and profitability</p> Signup and view all the answers

    What is the effect of freebasing on the user?

    <p>It produces a sense of euphoria and excitation</p> Signup and view all the answers

    What is the street term for methamphetamine?

    <p>All of the above</p> Signup and view all the answers

    What is the primary source of heroin?

    <p>The opium poppy plant</p> Signup and view all the answers

    What is the effect of heroin on the user's respiratory system?

    <p>It decreases the user's breathing rate</p> Signup and view all the answers

    What is the purpose of methadone in treating heroin addiction?

    <p>To decrease the user's craving for heroin</p> Signup and view all the answers

    What is the common effect of PCP on the user's behavior?

    <p>It causes wild and erratic behavior</p> Signup and view all the answers

    What is the primary concern for officers handling powders?

    <p>The powder may be absorbed through the skin</p> Signup and view all the answers

    What should be suspected when handling powders?

    <p>All powders</p> Signup and view all the answers

    What is the street name for Dexadrine?

    <p>Speeders</p> Signup and view all the answers

    What is the active ingredient in Peyote Cactus?

    <p>Mescaline</p> Signup and view all the answers

    What is the effect of mixing controlled or prescribed drugs in one container?

    <p>A statute violation</p> Signup and view all the answers

    What is the effect of Amyl Nitrate on the body?

    <p>It produces a rush or physical sensation</p> Signup and view all the answers

    What is the name of the drug that is a super pain killer/narcotic?

    <p>Dilaudid</p> Signup and view all the answers

    What is the name of the tablets marked with 'Lemmon 714' or '712'?

    <p>Quaaludes</p> Signup and view all the answers

    What is the effect of LSD on the body?

    <p>It can be absorbed through the pores in the skin</p> Signup and view all the answers

    What is the name of the drug that is derived from the Psilocybin Mushrooms?

    <p>Psilocybin</p> Signup and view all the answers

    What is the effect of continued use of Butyl Nitrate?

    <p>It causes liver damage, kidney damage, and cancer</p> Signup and view all the answers

    Study Notes

    Introduction to Drug Investigation

    • This presentation covers the primary objectives of a criminal investigation and the procedure for conducting the investigation.

    Classification of Drugs

    • There are three basic categories of drugs, classified by their effect on the central nervous system:
      • Depressant drugs
      • Stimulant drugs
      • Hallucinogenic drugs

    Depressant Drugs

    • Depressant drugs slow down the central nervous system reactions.
    • Examples:
      • Narcotic drugs (opium, morphine, heroin, codeine, analgesics)
      • Non-narcotic depressants (barbiturates, tranquilizers, alcohol)
    • Possible side effects:
      • Slurred speech
      • Disorientation
      • Drunken behavior without the odor of alcohol

    Stimulant Drugs

    • Stimulant drugs increase the central nervous system reactions.
    • Examples:
      • Anorectic drugs (diet pills/weight control)
      • Amphetamine drugs (biphetamine, dexedrine)
      • Cocaine (local anesthetic)
    • Possible effects:
      • Increased alertness
      • Excitation
      • Euphoria
      • Increased pulse rate and blood pressure
      • Insomnia
      • Loss of appetite

    Hallucinogenic Drugs

    • Hallucinogenic drugs distort the central nervous system reactions.
    • Examples:
      • LSD (lysergic acid diethylamide)
      • PCP (phencyclidine)
      • Psilocybin
    • Possible effects:
      • Illusions and hallucinations
      • Poor perception of time and distance
      • Violent, irrational behavior

    Drug Types

    • Cannabis (marijuana, hashish)
      • Easily detected by acrid odor when burned
      • Contains 61 unique chemicals, including THC (tetrahydrocannabinol)
    • Cocaine
      • Yellowish/white powder containing tiny, shiny, crystal-like particles
      • Commonly used as a local anesthetic
    • Heroin
      • White or brown powdered substance from Southeast Asia, Middle East, Mexico
      • Common names include smack, junk, h, horse
    • PCP (phencyclidine)
      • White powdered substance
      • Developed in the 1950s as a veterinary anesthetic
    • Methamphetamine (crystal speed)
      • White powder with shiny crystal flakes
      • Commonly used as a stimulant

    Handling of Powders by Officers

    • Don't taste powders
    • Don't get powders on hands or other skin areas
    • Remember powders can be "dumped" easily by defendants
    • All powders should be suspect

    Pills and Capsules

    • Dexadrine (amphetamine)
      • Commonly seen capsules
      • Street terms: speeders, uppers, black beauties, yellow jackets
    • Methaqualone (Quaaludes)
      • Usually in white tablet form, marked "Lemmon 714" or "712"
      • Street names: ludes
    • Talwin (depressant)
      • Small tan tablet scored with a "W" on one side and T21 on the other
      • When combined with pryobenzamine, the result is a bi-phasic effect like heroin
      • Street term: T's and Blues

    Conditions/Indications Suggesting Narcotic Activity

    • Heavy vehicle traffic to certain places
    • Heavy pedestrian traffic to certain places
    • Short duration of visits
    • Time of activity (late night, after dark)
    • Chemical containers in garbage
    • Strong odors
    • Late night activity
    • Drug residue in area
    • Large quantities of ice, used to cool chemicals in processing

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    Description

    This quiz covers the primary objectives and procedures of a criminal investigation, including the steps taken in a preliminary investigation and the main objectives of a drug investigation.

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