Forensics Science- Physical Evidence Test

The basics of forensic science, including physical evidence, its admissibility, notable court cases, and an overview of the some of the classifications and mechansisms

48 cards   |   Total Attempts: 183
  

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Cards In This Set

Front Back
Locard
Pioneered exchange priniciple
Expert witness
An expert in a specific field brought into testify for or against evidence
Autopsy
Literally, "to see for oneself" "to look within" in order to determine the events leading up to the death (death is caused by a lack of O2 in the brain
Scientific method
For investigative purposes:
  1. Define the question
  2. Gather information and resources (observe)
  3. Form hypothesis
  4. Perform experiment and collect data
  5. Analyze data
  6. Interpret data and draw conclusions that serve as a starting point for new hypothesis
Rigor mortis
Rigidity of the body caused by lactic acid- full rigor mortis in 12 hours, no rigor mortis in 24
Algor Mortis
Reduction in body temp following death- 1.5 degrees/hour until surrounding temp
Dr. Baden
NY state medical examiner- doctor who specializes in autopsy
Joan Bent
Killed by her husband, who was convicted because of the physical evidence; namely, the potatoes in her stomach
Rich Rodriguez
Deputy coroner
Wayne williams
Rapist convicted using fiber evidence/probability- green carpet fibers
Blood spatter
Used for evidence, dnadepends on source, surface, angle, speed, and amount
Arterial spurts
Blood gushing from arteries creates a specific pattern
Trigonometry
Used to calculate the angle and height from which blood fell
Ellipse
Greater the angle, the more elliptical the blood drop
Adhesive
Tape- used for collection of evidence