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
Chapter 7 - Drugs Drugs and Crime • Drug – natural or synthetic, affects humans psychologically or physiologically • When taken for pleasure, they are known as “drugs of abuse” or “illicit drugs” Controlled Substances Act • All drugs covered by law are “controlled” The Problem with Drugs • • • • • • • Dependency Theft Violence Robberies Domestic disputes Health problems Loss of productivity Interesting Facts • Drug use costs society about $110 billion a year • 75% male adults arrested in NY City for violent crimes tested positive for drugs • 64% in Albuquerque and Fort Lauderdale • ¼ to ½ of all domestic violence is drug related • 81% of child neglect cases were associated with drugs • 3.2 % (80,000) of pregnant women are drug users Drugs in the Crime Lab • 75% of evidence examined is drug related • Pharmaceutical companies send samples to the FBI for each new drug 5 Categories of Controlled Drugs • Schedule I – No accepted medical use and high abuse potential – Hashish, marijuana, GHB, peyote • Schedule II – High abuse potential with severe psychic or physical dependence liability – Narcotic, stimulant, depressants – Scripts typewritten or in ink, no renewals – PCP (can be used to reduce blood pressure) 5 Categories of Drugs • Schedule III – Less abuse potential, narcotic and non-narcotic – Scripts may be oral or written – Up to 5 renewals per 6 months – Anabolic steroids • Schedule IV – Less abuse potential – Scripts may be oral or written, up to 5 renewals per 6 months – Rohypnol • Schedule V – Less abuse potential – Scripts may not be required – Antidiarrheals Classification of Illicit Drugs • Hallucinogens – Most widely used is marijuana • “hash oil” can have 50% of the active ingredient • Slows reactions, impairs coordination, reduces the ability to concentrate – LSD (ergot alkaloids) visual and auditory hallucinations • Blotter acid, microdots, window panes • Teratogen • Causes psychosis and flashbacks – PCP • Insensitivity to pain, feelings of superstrength, rage, memory loss, paranoia • Often mixed with marijuana or LSD (angel dust) – MDMA • Ecstasy • Stimulates and causes hallucinations • Confusion, depression, paranoia, anxiety – Ketamine (special K) • Animal tranquilizer • Raves • Delirium, amnesia • Stimulants – Increases energy and suppresses appetite – Restlessness and anxiety then depression – Caffeine to methamphetamines and cocaine • Narcotics – Analgesics – Opium, morphine, codeine, Tylenol, fentanyl (China White), Methadone • Depressants – Ethyl alcohol – Barbiturates (Nembutal), Valium – Highly addictive Physicians Desk Reference (PDR) • Illustrated dictionary of medicines and drugs • Updated each year Tests • Gas, paper, and thinlayer chromatography (TLC) • UV and infrared spectrophotometry • Mass spectrometry • Spot tests • Qualitative analysis Spot Tests • May get false positives • Gives a certain color if a drug is present • Must use another test to confirm Presumptive Test • Duquenois-Levine test – Turns purple when marijuana is present – Presumptive test (spot test) Confirmatory Test • Infrared spectroscopy or mass spectrometry Cocaine IR Spec Aspirin IR Spec Now, look on pg. 155 and answer question on p. 156