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FORENSICS

FORENSICS. RELATING TO OR USED IN LEGAL PROCEEDINGS OR ARGUMENTATION. What does “FORENSIC” mean?. Comes from Latin forens Which comes from forum Forum—ancient Roman gathering place for legal and public business. MEDICAL EXAMINER.

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FORENSICS

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  1. FORENSICS

  2. RELATING TO OR USED IN LEGAL PROCEEDINGS OR ARGUMENTATION

  3. What does “FORENSIC” mean? • Comes from Latin forens • Which comes from forum • Forum—ancient Roman gathering place for legal and public business

  4. MEDICAL EXAMINER • All sudden or unexpected deaths and all deaths that may be due entirely, or in part, to any factor other than natural disease must be reported to the ME for evaluation

  5. AUTOPSY • CAUSE OF DEATH • NATURAL • HOMICIDE • SUICIDE • ACCIDENT • UNDETERMINED

  6. TOXICOLOGY • STUDY OF POISONS

  7. RIGOR MORTIS • MANIFESTS WITHIN THE FIRST 24 HOURS • DISAPPEARS WITHIN 36 HOURS

  8. MUSCLES BECOME RIGID

  9. LIVOR MORTIS • BLOOD SETTLES IN PARTS OF THE BODY CLOSEST TO THE GROUND • APPEAR DARK BLUE OR PURPLE

  10. ALGOR MORTIS • COOLING OF THE BODY • INFLUENCED BY FACTORS OF THE ENVIRONMENT

  11. BLOOD STAIN PATTERN ANALYSIS • A DROP OF BLOOD WILL FORM A PERFECT CIRCLE UNTIL SOMETHING HAPPENS TO IT • INTRODUCE AN ANGLE AND IT BECOMES A TEAR DROP SHAPE

  12. WHAT CAN IT TELL YOU? • Position of victim/suspect • Evidence of a struggle • Areas where blood isn’t • Sequence of events—body moved? • How many impacts and from what direction • Was scene altered?

  13. Whether stains or patterns are consistent with statements • May determine other information that eliminates other avenues of investigation

  14. DIRECTION OF TRAVEL

  15. TARGET SURFACE • SURFACE CAN CHANGE BLOOD SPATTERING • LOW VELOCITY SPATTER—WOUND ON ARM DRIPPING • MEDIUM VELOCITY SPATTER—BLUNT TRAUMA • HIGH VELOCITY SPATTER--GUNSHOT

  16. FORENSIC ANTHROPOLOGY • IDENTIFICATION OF THE HUMAN SKELETAL REMAINS

  17. WHAT CAN BE DETERMINED? • AGE AT DEATH • SEX OF SKELETON • RACE AND STATURE

  18. FORENSIC ENTOMOLOGY • STUDY OF INSECTS

  19. 90 species of blow-flys will find a body with minutes • Entomologists understand bugs life cycle and calculate the time required to get to those stages to determine time of death

  20. FORENSIC PSYCHIATRY • THE RELATIONSHIP BETWEEN HUMAN BEHAVIOR AND THE LAW

  21. FORENSIC ODONTOLOGY • TEETH ARE COMPOSED OF ENAMAL, THE HARDEST SUBSTANCE IN THE BODY

  22. HOW MANY TEETH DO WE HAVE??

  23. ADULT-------32 • CHILD-------20

  24. ANATOMY OF A TOOTH • CROWN • NECK • ROOT

  25. FORENSIC ENGINEERING • FAILURE ANALYSIS, ACCIDENT RECONSTRUCTION, CAUSES OF FIRES OR EXPLOSIONS

  26. “YOU ONLY GET ONE CHANCE TO DO IT RIGHT THE FIRST TIME, SO YOU’D BETTER DO IT RIGHT. IN SHORT, IF YOU THINK OF IT—DO IT—OR HAVE A GOOD REASON WHY YOU DIDN’T. BECAUSE IF YOU DON’T, SOMEONE—WHO GETS PAID CONSIDERABLEY MORE THAN YOU AND BY THE HOUR—WILL ASK WHY

  27. YOU DIDN’T. AND A JURY WILL BE WATCHING”

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