Forensic inestigations

1,225 views

Published on

Published in: Technology, Health & Medicine
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
1,225
On SlideShare
0
From Embeds
0
Number of Embeds
3
Actions
Shares
0
Downloads
14
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

Forensic inestigations

  1. 1. Cocaine <ul><li>Cocaine - plant ( Erythroxylum) . Stimulant </li></ul><ul><li>Origin: Peru, Bolivia, Columbia, Ecuador, Venezuela, Brazil, Argentina and Panama. </li></ul><ul><li>Cocaine - packed in paper or plastic packs of white powder . </li></ul><ul><li>Purpose of analysis ; </li></ul><ul><li>Detect, identify, quantify. </li></ul><ul><li>User of report : </li></ul><ul><li>Police, Prosecutors, Defense lawyers, Judicial officers, Medical Personnel, family members and other interested parties. </li></ul><ul><li>Future plans of analysis: </li></ul><ul><li>Identify the country or region of origin </li></ul>
  2. 2. Production of Heroin <ul><li>Heroin - plant Papaver somniferum ( opium poppy). Depressant </li></ul><ul><li>Origin : Afghanistan, Pakistan, Iran, Burma, Guatemala, Mexico, Columbia. </li></ul><ul><li>Heroin - packed in paper or plastic packs of white or brown powder. </li></ul><ul><li>Purpose of analysis ; </li></ul><ul><li>Detect, identify, quantify, </li></ul><ul><li>User of report : </li></ul><ul><li>Police, Prosecutors, Defense lawyers, Judicial officers, Medical Personnel, family members and other interested parties. </li></ul><ul><li>Future plans of analysis: </li></ul><ul><li>Identify the country or region of origin </li></ul>
  3. 3. Cannabis , cannabis resin <ul><li>Herbal cannabis : plant Cannabis sativa . Hallucinogen </li></ul><ul><li>Origin : Africa, the Caribbean or South East Asia </li></ul><ul><li>Types: Cannabis herbal, Cannabis resin (hashish), Cannabis oil (hash oil) </li></ul><ul><li>Cannabis - packed in paper or plastic packs. </li></ul><ul><li>Purpose of analysis ; </li></ul><ul><li>Detect, identify, quantify, </li></ul><ul><li>User of report : </li></ul><ul><li>Police, Prosecutors, Defense lawyers, Judicial officers, Medical Personnel, family members and other interested parties. </li></ul><ul><li>Future plans of analysis: </li></ul><ul><li>Identify the country or region of origin </li></ul>
  4. 4. Khat <ul><li>Khat – plant (Catha edulis) Stimulant </li></ul><ul><li>Origin : Kenya, Malawi, Uganda, Tanzania, The Arabian Peninsula, Zimbabwe, Zambia and South Africa. </li></ul><ul><li>Active components - cathinone and cathine </li></ul><ul><li>Both (synthetic drugs) cathine and cathinone are scheduled under the UN 1971 Convention, </li></ul><ul><li>But khat itself is only specifically listed in a few jurisdictions. </li></ul><ul><li>Purpose of analysis ; </li></ul><ul><li>Detect, identify, quantify. </li></ul><ul><li>User of report : </li></ul><ul><li>Police, Prosecutors, Defense lawyers, Judicial officers, Medical Personnel, family members and other interested parties </li></ul>
  5. 5. Inhalants <ul><li>This class includes glue, gasoline, and aerosols like nasal sprays. </li></ul><ul><li>Purpose of analysis ; </li></ul><ul><li>Detect, identify, quantify, </li></ul><ul><li>User of report : </li></ul><ul><li>Police, Prosecutors, Defense lawyers, Judicial officers, Medical Personnel, family members and other interested parties. </li></ul>
  6. 6. Risk of drug abuse <ul><li>Adulteration can pose a health threat </li></ul><ul><li>Hepatitis , inflammation of the liver caused by drugs, or toxic chemicals, </li></ul><ul><li>Sharing of contaminated needles is the primary cause of HIV infection </li></ul><ul><li>Mental illness – Psychosis results from substance abuse </li></ul><ul><li>Social issues such as homelessness, poverty as a cause of drug dependence, unemployment. </li></ul><ul><li>Economic issues such as cost of treatment, loss of manpower </li></ul>
  7. 7. Fire and explosions : <ul><li>Purpose of Analysis </li></ul><ul><li>Locate point of origin; determine whether was accidental or intentional. </li></ul><ul><li>Identify type of accelerant/explosive was used. </li></ul><ul><li>Type of cases: </li></ul><ul><li>Explosive cases (e.g. terrorism), accidents, arson, putting a competitor out of business, revenge, insurance fraud, suicide or murder. </li></ul><ul><li>Effects of fire and explosion </li></ul><ul><li>Injuries, deaths, disasters, damage of properties (e.g. buildings) or business, environmental hazards </li></ul><ul><li>User of report </li></ul><ul><li>Police, Prosecutors, Defense lawyers, Judicial officers, Insurance companies, Business Community, Individuals and other interested parties. </li></ul>
  8. 8. Questioned Documents <ul><li>Purpose of Analysis </li></ul><ul><li>To establish that a particular person carried out an activity like signing a check </li></ul><ul><li>Determine whether a document is authentic; assess whether a document has been altered in any way; compare handwriting, signatures, and typewritten or photocopied documents; determine the sources of papers and inks; </li></ul><ul><li>Types of cases </li></ul><ul><li>Cheating, forgery (e.g. currency forgery, art forgery, passport forgery, certificate forgery, check forgery, receipt forgery) frauds. </li></ul><ul><li>User of report </li></ul><ul><li>Police, Prosecutors, Defense lawyers, Judicial officers, Insurance companies, Business Community, Individuals and other interested parties. </li></ul>
  9. 9. Comparing glass fragments and paint flakes <ul><li>Purpose of Analysis </li></ul><ul><li>To establish that a particular person was at a given place at a given time. </li></ul><ul><li>Type of cases </li></ul><ul><li>Cheating, burglary, robbery (e.g. breaking and entering), road traffic accidents, vandalism, hit and run cases, suspected vehicle homicides </li></ul><ul><li>User of report </li></ul><ul><li>Police, Prosecutors, Defense lawyers, Judicial officers, Insurance companies, Business Community, Individuals and other interested parties. </li></ul>
  10. 10. Comparing shoeprints, tire prints <ul><li>Purpose of Analysis </li></ul><ul><li>To establish that a particular person was at a given place at a given time. </li></ul><ul><li>Link a suspect with a crime scene, </li></ul><ul><li>Using shoeprints to identify the suspect, identifying tire tracks as evidence </li></ul><ul><li>Type of cases </li></ul><ul><li>The gunshot residue can indicate that the gun fired; the location of gunshot residue on the suspect’s hand can indicate that s/he handled a gun. </li></ul>
  11. 11. Comparing Soil <ul><li>Purpose of Analysis </li></ul><ul><li>To establish that a particular person was at a given place at a given time. </li></ul><ul><li>Link a suspect with a crime scene </li></ul><ul><li>Type of cases </li></ul><ul><li>Burglary, robbery road traffic accidents, assault, murder, hit and run cases. </li></ul>
  12. 12. Comparing fingerprints <ul><li>Purpose of Analysis </li></ul><ul><li>To establish that a particular person was at a given place at a given time. </li></ul><ul><li>Comparing fingerprints from suspected physical and biological evidences for human identification. </li></ul><ul><li>Type of cases </li></ul><ul><li>Burglary, robbery (e.g. breaking and entering). </li></ul>
  13. 13. Comparing tool marks used <ul><li>Purpose of Analysis </li></ul><ul><li>To establish that something was done with a particular instrument. </li></ul><ul><li>Comparing tool marks used e.g. breaking a door </li></ul><ul><li>Type of cases </li></ul><ul><li>Burglary, robbery (e.g. breaking and entering). </li></ul>
  14. 14. Identification of Gunshot residue (GSR) <ul><li>Purpose of Analysis </li></ul><ul><li>To establish that something was done with a particular instrument. </li></ul><ul><li>GSR can indicate that the gun fired; the location of GSR on the suspect’s hand can indicate that s/he handled a gun. </li></ul><ul><li>Type of cases </li></ul><ul><li>Burglary, robbery, murder. </li></ul>
  15. 15. To Restore Erased Serial numbers on vehicles, firearms. <ul><li>Purpose of Analysis </li></ul><ul><li>To restore erased numbers on vehicles, firearms and other valuable gadgets. </li></ul><ul><li>Type of cases </li></ul><ul><li>Cheating, erased numbers on vehicles </li></ul>
  16. 16. GCLA contributions <ul><li>GCLA contributes to the detection, reduction and prevention of crimes. </li></ul><ul><li>User of our analytical reports for forensic reasons include among others: </li></ul><ul><li>Ministries, Independent Departments and Agencies (MDAs), Police, Prosecutors, Defense lawyers, Judicial officers, Medical Personnel, Plaintiffs, Insurance companies, researchers, business community, family members and individuals. </li></ul>
  17. 17. The evidence linkage triangle <ul><li>The evidence linkage triangle </li></ul>Scene (s) Evidence Victim (s) Suspect (s)

×