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CHAPTER 2
INTRODUCTION
SECURING THE CRIME SCENE
PHOTOGRAPHY
Sketching the Crime Scene
Taking the Evidences
Before moving the body Take note!!
Suicide Method
Hanging Suicide
Hanging suicide using rope Various knot positions in suicide hanging attempt
Pesticide poisoning Drug overdosing Carbon monoxide poisoning not poison which can act slowly, over a long period of time. immediate effect, within minutes to avoid them from suffering. relatively painless death, no muss, no fuss, no blood to mess up the bedding Poisoning
People rarely shoot themselves in the eye or abdomen. It is also virtually impossible to shoot yourself in the back. Firearms include a wide range of handguns and rifles, revolver, shotguns, semiautomatic pistol. Distance of gun from the body: at contact or near contact range Angle of the shot: Most suicide shots are angled slightly upward. Firearm suicide Number of shots fired: After one shot, even if a suicide victim is not dead, he would likely be unconscious or physically unable to fire a second time Type of wound: A contact wound creates presumption of suicide rather than homicide.
victim left a suicide note, or was known to have personal problems, or if there was evidence of drug use or drinking, suicide is likely. A suicide victim will rarely shoot through clothing Firearm suicide Wound sites often depend on the type of weapon that is used: Evidence of a struggle: If there are scratches, cuts, bruises, homicide is likely. Presence of gunpowder residue and blood on victims’ hand
Cuts and Stabbed
DROWNING
MURDER VS SUICIDE DROWNING
Jumping From High
SUICIDE JUMPER
Ballistics Analysis Latent fingerprints and impressions Analyzing The Evidence Chemical (drug and unknown chemical) Questioned documents  Primer Gunshot Residues (GSR) Analysis  Serology and DNA
Ballistic Analysis
Primer Gunshot Residues (GSR) Analysis
Serology and DNA Conduct body fluid analysis, including DNA analysis for blood stains found on gun in firearm suicides for identification and comparison.
The presence of suicide note must be investigated to detect forgery Conduct handwriting comparisons Questioned documents  An analyst will use a magnifying glass and sometimes even a microscope in the comparison process. An analyst is looking for a wide array of individual traits:
Letter form
Example of Kurt Cobain’s Death note Courtney’s handwriting

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Crime scene investigation (suic

  • 2.
  • 8.
  • 9. Before moving the body Take note!!
  • 10.
  • 11.
  • 12.
  • 15. Hanging suicide using rope Various knot positions in suicide hanging attempt
  • 16. Pesticide poisoning Drug overdosing Carbon monoxide poisoning not poison which can act slowly, over a long period of time. immediate effect, within minutes to avoid them from suffering. relatively painless death, no muss, no fuss, no blood to mess up the bedding Poisoning
  • 17.
  • 18. People rarely shoot themselves in the eye or abdomen. It is also virtually impossible to shoot yourself in the back. Firearms include a wide range of handguns and rifles, revolver, shotguns, semiautomatic pistol. Distance of gun from the body: at contact or near contact range Angle of the shot: Most suicide shots are angled slightly upward. Firearm suicide Number of shots fired: After one shot, even if a suicide victim is not dead, he would likely be unconscious or physically unable to fire a second time Type of wound: A contact wound creates presumption of suicide rather than homicide.
  • 19. victim left a suicide note, or was known to have personal problems, or if there was evidence of drug use or drinking, suicide is likely. A suicide victim will rarely shoot through clothing Firearm suicide Wound sites often depend on the type of weapon that is used: Evidence of a struggle: If there are scratches, cuts, bruises, homicide is likely. Presence of gunpowder residue and blood on victims’ hand
  • 20.
  • 23. MURDER VS SUICIDE DROWNING
  • 24.
  • 27. Ballistics Analysis Latent fingerprints and impressions Analyzing The Evidence Chemical (drug and unknown chemical) Questioned documents Primer Gunshot Residues (GSR) Analysis Serology and DNA
  • 28.
  • 30.
  • 31. Primer Gunshot Residues (GSR) Analysis
  • 32. Serology and DNA Conduct body fluid analysis, including DNA analysis for blood stains found on gun in firearm suicides for identification and comparison.
  • 33. The presence of suicide note must be investigated to detect forgery Conduct handwriting comparisons Questioned documents An analyst will use a magnifying glass and sometimes even a microscope in the comparison process. An analyst is looking for a wide array of individual traits:
  • 35.
  • 36. Example of Kurt Cobain’s Death note Courtney’s handwriting