Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Drugs What is a drug ? Drug Definition • Substance that produces physiological and or psychological effects Are Drugs Bad? Are Drugs Bad? • Medicine • Drug Dependence – Psychological (emotional need, escape reality) – Physical (Absence results in Withdrawal Syndrome=chills, vomiting, cramps, convulsions, dilated pupils, constipation, sweating, insomnia, pain, hallucinations) Are Drugs Bad? • Social Impact: – – – – Neglect: personal health, family responsibilities, economical relationships, public safety risk Types of Drugs • Narcotics: – Relieve Pain and Produce Sleep – Analgesics=suppress nervous system – Lead to physical dependence – Depressant Narcotics Narcotics Unripe pod of Poppy Plant Opium is a gummy, milky juice Morphine Codeine Heroine (synthetic) Heroine Pain Relief “High”-Happiness (3-4hrs) Drowsiness Bitter Taste IV Use 35% Pure! Additives: Street Names: H, Horse, Scag, Smack, Stuff Quinine, starch, lactose, Novocain Heroin Symptoms • Euphoria • Drowsiness • Contracted pupils • Needle marks • Blood stains ($3,600-$7,000/oz) • http://www.youtube.com/watch?v=8rnSsB 0vfCQ http://www.youtube.com/watch?v=KIUbhTwk UOg http://www.youtube.com/watch?v=ELNrGwE E41E http://www.youtube.com/watch?v=CsmbtyoSOw Other Opiates • Methadone – Related to heroine – Eliminates the “high” if taking heroine – Helps break heroine habit Types of Drugs • Hallucinogens= – Drug that causes change in mood, attitude, thought or perception – Example: Cannabis Marijuana Pot, Grass, Wacky Baccy, Hash, Ganja,, Hash Oil, weed, Tree, greens, Wild weed 5-15 ft Odd leaf number, serrated edge Crush leaves with flower, stem and seed Plant Resin=Hashish Marijuana • Active Ingredient: – THC THC Concentration: Resin 2-8% Flower Leaf Stem Roots Seeds Symptoms • • • • • • Lack of coordination-Danger to Drive! Reduced Reaction Time-Danger to Drive! Red eye Dilated pupils Increased heart rate Irrelevant giggling Marijuana • No evidence for short-term physical & psychological dependence • Heavy use results in psychological dependence • Lung Damage from smoke • Used in glaucoma and chemotherapy treatment Marijuana History • • • • • 2737 B.C. Chinese Medicine 1000 B.C. Hindu Culture 500 B.C. Arabian Literature 19th Century Europe 1920 United States from Mexico Other Hallucinogens • LSD – 25 microgram causes hallucinations for 12hrs – Derived from a fungus – Mood swings – Anxiety – tension Other Hallucinogens • MDMA (Ecstasy, E, Adam, XTC, Fantasy, Date-Rape Drug) – – – – – – – – – – – – Get Abundant Energy Increased Color perception Dehydration-Drink a lot Enhanced empathy Brain cell damage Anxiety Panic Insomnia Hallucinations Psychosis Memory loss Hypertension Other Hallucinogens Magic Mushrooms Have Psilocybin Acts like LSD Other Hallucinogens Nitrous Oxide Gas •Loss of motor control •Hallucinations •Brain Damage Risk •Psychologically Addictive Other Depressants • Depress CNS, calm, irritability and may induce sleep – Alcohol (Ethyl Alcohol) • Goes to brain and suppresses thought processes and muscle coordination • Affects judgment, speech, reaction time, memory and concentration • Long-term abuse=liver damage • High dose=coma and death Alcohol • Sedative • Vasodilator=Blood increased to extremities • Diuretic • Respiratory Depression • Gastric irritation • Slur Speech Drinking and Pregnant Drinking and Driving Drinking and Driving Drinking and Driving Before After Other Depressants • Barbiturates (“Downers, Yellow Jackets, Blue Devils, Reds, Barbs”) – Downers- Suppress Central Nervous System – Derived from Barbituric Acid – Sedatives taken orally – Physically Addictive – Ex. Amobarbital, Secobarbital, Phenobarbital etc. Other Depressants • Methaqualone (Quaaludes) – Sedative – Muscle relaxant • Tranquilizers – Relaxed but not impaired or sleepy – Ex. Miltown, Librium, Thorazine and Valium – Physically and mentally addictive Symptoms of Tranquilizer Abuse • • • • • Slurred speech Staggered Gait Poor coordination Poor judgment Appears drunk but no alcohol smell Ketamine =Horse Tranquilizer (Special K, Kit Kat) Other Depressants • Glue Sniffing, Sniff aerosol propellants and solvents – Suppress Central Nervous System – Euphoria – Slurred speech – Impaired judgment – Double vision – Risk liver, heart, brain damage and death Glue Sniffer Meeting Stimulants • Stimulate Central Nervous System • Natural and Synthetic • Interfere with normal neuron to neuron signaling Side Effects: Insomnia, dilated pupils, panic, confusion hallucinations, hypertension, cardiac arrest, increased heart rate • Stimulants Amphetamines (uppers or speed): – Synthetic – Alert, happy, hyperactive then fatigued (excessive sleep) and depressed – Loss of appetite – IV use – Psychologically addictive Amphetamines Methamphetamines ($450-$2,000/oz) “Ice” Other Stimulants • “Ice” – High, then depressed and tired – Smoked – VERY POTENT – Violent, destructive, paranoid schizophreniclike ($3,600-$7,000/oz) ICE (Free-base Cocaine) Before ICE After ICE Other Stimulants • Cocaine Ground to powder and chemicals added Coca Plant 10 pounds of leaves= 1 ounce of cocaine Crack • Effects: – – – – – – – – – – – Cocaine Rush Insomnia Fatigue Headache Nasal problems Sexual dysfunction Paranoia Depression Seizures Loss of consciousness Cardiac arrest • http://channel.nationalgeographic.com/cha nnel/drugs-inc/videos/cocaine/ • drugs inc zombie island - YouTube Other Stimulants • Anabolic Steroids (Roids) Steroids • • • • • • • • Synthetic (Like Testosterone) Enhanced Muscle Growth Risk Liver Damage Reduced sex drive (can cause impotence) Reduce sperm production (can be permanent) Severe Acne Premature baldness Masculinizing in females and infertility (i.e. pronounced jaw) • Feminine characteristics in men (grow breasts) • Teenage suspension of bone growth • Mood swings and aggressive behavior (increases with cycling) Drugs and the Law Federal Controlled Substances Act • Regulation of drugs in these ways: – Registration – Record Keeping – Manufacturing Quotas – Distribution Restrictions – Dispensing Limits – Import/Export abilities Federal Controlled Substances Act – Manner (i.e.. Security) of drug storage – Reports from Manufacturer/Distributor to DEA – Penalties Federal Penalties Trafficking (Sales) 1st Offence Heroin, Marijuana, Methaqualone, LSD – 0-20 years and or $1 million fine Opium+Derivatives, Cocaine, Methadone, PCP,Amphetamines, some barbiturates – 0-5 years and or $1 million fine Federal Penalties Trafficking 1st Offence Some barbiurates,codeine,anabolic steroids – 0-5 years and or $250,000 fine Darvon, Phenobarbitol,Tranqulizers – 0-3 years and or $250,000 fine Opiate drug mixtures that contain nonnarcotic medicinal ingredients – 0-1 year and or $100,000 fine Update (1st Offence) • Cocaine – 500-4,999 g (5-40 years, $2 million) – 500-4,999g (20-life, $5million)-if injury or death involved – 5kgs (10-life, $4 million) – 5kgs (20-life, $10, million)-if injury or death involved Update • Similar penalties for – Heroin – LSD – Meth – PCP • DEA Briefs & Background, Drug Policy, Federal Trafficking Penalties NYS Laws • Sale of small amount of street crack or heroin – Class B nonviolent felony – Min 1-3 years, Max 8-25 years • Sale of significant amount of drugs (ex. 1 once of cocaine) – 15 years to Life NYS and Federal Laws (Possession) • See hand-out Drug Busts (Step 1) Search/Seizure/Legal Issues How do we justify searches? • Search Warrant: Probable Cause (4th) • Warrentless Search: – Plain Site Doctrine – Consent – Incident to arrest Clues that a moving vehicle is driven by a drug-impaired driver? Signs While Moving • Slow reaction • Takes risks • Vision Impairment (weaving) • Coordination problem (weaving) Car Stopped, Now Personal Contact Slurred Speech Eye Analysis Odors Manner exiting vehicle Pre Arrest Screening: Field Tests • Psychophysical Tests: – Test balance (Stand on 1 leg) (Walk and Turn) – Test Coordination (Touch nose) – Information processing (Alphabet) – Gaze Nystagmus (jerking of eyes, alcoholrelated) Pre Arrest Screening: Field Tests – Lack of convergence of eyes when pen brought closer to face – Check pupils with light – Temperature check – Blood Pressure Check – Check Pulse rate (See Hand-out) Screening Failure Search Drugs found in car 7 people in car Who is charged with Possession? Forensic Science and the Law • Science used to determine the qualitative and quantitative nature of drug • 70% of evidence in crime lab is drugrelated Problem! • Soooooooooooo many drugs! Step 1 • Screening Tests (Color Tests) – Marquis (Heroine,Morphine,-phetamines) – Dillie-Koppanyi (Barbiturates) – Duquenois-Levine (Marijuana) – Van Urk (LSD) – Scott (Cocaine) Step 2 • Microcrystalline Tests= – Chemical added to drug on slide to produce a crystal – Examine crystal size, shape Cocaine Step 3 • Chromatography – Thin-Layer, Gas Chromatography – Tentative Identification+Purification • Infrared Spectrophotometry (Need Pure) • Mass Spectrometry (Chemical Fingerprint) Marijuana Identification Most evidence in fragment form: Microscopic analysis See “bear claw” hooks on underside of leaf Thin layer chromatography Duquenois-Levine color test Evidence Collection • Bag and Tag • Prevent loss and cross contamination • Need airtight containers for solvents