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Crime Scene Investigation: Introduction to Drug Investigation

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38 Questions

What is the primary focus of this lesson plan?

Offense Investigations

What are the three basic categories of drugs classified by their effect on the central nervous system?

Stimulant, Hallucinogenic, and Depressant

What is a possible side effect of depressant drugs?

Slurred speech

What type of drug is cocaine?

Stimulant drug

What is a possible effect of stimulant drugs?

Increased pulse rate and blood pressure

What is a type of hallucinogenic drug?

LSD

What is the objective of identifying conditions or indications of drug activity in a particular area?

To identify drug activity in a particular area

What is the primary objective of a criminal investigation?

To gather evidence and solve a crime

What is the typical purity range of illicit cocaine?

5% to 85%

What is the common method of consumption for crystal methamphetamine?

Injecting

What is the name of the process that separates cocaine from its base, Hydrochloride Salt?

Freebasing

What is the street term for a mixture of cocaine and heroin?

Speedballing

What is the name of the synthetic narcotic used to help dependent heroin users?

Methadone

What is the primary effect of PCP on users?

Illusions and hallucinations

What is the name of the depressant that is no longer produced legally?

Methaqualone

What is the typical packaging for heroin?

Small balloons

What is the withdrawal symptom of heroin that begins 4-6 hours after the last injection?

Shaking

What is the recommended practice when handling powders as an officer?

Don't taste powders and avoid skin contact

What is the primary characteristic of Schedule 1 drugs?

They have no real legal possession

What is the characteristic of marijuana leaves that distinguishes them from others?

Palmated leaves with serrated edges

What is the active chemical ingredient in marijuana?

THC (tetrahydrocannabinol)

What is the typical THC content of sinsemilla?

7% to 10%

What is the average THC content of hash?

2%

What is the typical packaging of hash?

All of the above

What is the effect of low to moderate doses of marijuana on most users?

Pleasurable feelings of well-being

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

Misdemeanor

What is the origin of cocaine?

Coca leaves from South America

What is the typical price of cocaine per gram?

$100.00

What is the street name for Quaaludes?

Ludes

What is the chemical makeup of T's and Blues?

Talwin and Pyrobenzamine

What is the street name for Talwin and Pyrobenzamine?

Ts and Blues

What is the active ingredient in Peyote Cactus?

Mescaline

What is the effect of Psilocybin Mushrooms on the brain?

Kills brain cells

What is the active ingredient in glue and plastic cement?

Toluene

What is the purpose of Amyl Nitrate?

Aid persons with heart spasms

What is the primary use of Butyl Nitrate?

Room deodorizer

What is the characteristic of look-alike drugs?

Sold as real drugs

What is a condition indicating narcotic activity?

Heavy vehicle traffic to certain places

Study Notes

Classification of Drugs

  • Three basic categories of drugs, classified by their effect on the central nervous system:
    • Depressant drugs
      • Examples: opium, morphine, heroin, codeine, analgesics, barbiturates, tranquillizers, alcohol
      • Possible side effects: slurred speech, disorientation, drunken behavior without odor of alcohol
    • Stimulant drugs
      • Examples: anorectic drugs, amphetamine drugs, cocaine
      • Possible effects: increased alertness, excitement, euphoria, increased pulse rate and blood pressure, insomnia, loss of appetite
    • Hallucinogenic drugs
      • Examples: LSD, PCP, psilocybin
      • Possible effects: illusions, hallucinations, poor perception of time and distance, violent, irrational behavior

Cannabis

  • Types: marijuana, hashish
  • Physical characteristics: palmated leaves with serrated edges, unique vein pattern
  • Active chemical ingredient: THC (tetrahydrocannabinol)
  • Effects: relaxed, euphoric, altered perception, increased appetite, red bloodshot eyes, dilated pupils
  • Legal penalties: varies depending on quantity and THC content

Cocaine

  • Types: powder, crack
  • Physical characteristics: yellowish/white powder, shiny crystal flakes
  • Origin: coca bush, mainly from South America
  • Effects: excitement, euphoria, increased pulse rate and blood pressure, anxiety, paranoia, seizures, death
  • Legal penalties: varies depending on quantity and purity

Stimulants

  • Examples: amphetamines, methamphetamine
  • Physical characteristics: white powder with shiny crystal flakes
  • Effects: excitement, euphoria, increased pulse rate and blood pressure, anxiety, paranoia
  • Legal penalties: varies depending on quantity and purity

Heroin

  • Type: opioid
  • Physical characteristics: white or brown powdered substance
  • Origin: Southeast Asia, Middle East, Mexico
  • Effects: euphoria, drowsiness, respiratory depression, constricted pupils
  • Legal penalties: varies depending on quantity and purity

PCP

  • Type: hallucinogenic
  • Physical characteristics: white powdered substance, possible yellow tint
  • Effects: illusions, hallucinations, poor perception of time and distance, wild, erratic behavior
  • Legal penalties: varies depending on quantity and purity

Pills and Capsules

  • Examples: Dexadrine, Methaqualone, Preludin, Percodan, Dilaudid, Valium
  • Physical characteristics: various shapes, colors, and markings
  • Effects: varies depending on type of pill or capsule
  • Legal penalties: varies depending on type and quantity

Other Drug Types

  • LSD: hallucinogenic, varies in form, can be absorbed through skin
  • Peyote Cactus: hallucinogenic, active ingredient is Mescaline
  • Psilocybin Mushrooms: hallucinogenic, affects mood and perception
  • Inhalants: glue, paint, gasoline, Amyl Nitrate, Butyl Nitrate
  • Look-alike drugs: fake drugs sold as real drugs, can be dangerous due to unknown chemicals and quantities

Indications of Narcotic Activity

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

Learn the primary objectives and procedures of a criminal investigation, including the steps taken in a preliminary investigation, with a focus on drug-related offenses.

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