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History of Forensic Science
Define forensic. What is today’s meaning of Forensic Science?
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History of Forensic Science
How did the following cases impact Forensic Science? Frye v United States Daubert v Merrill Dow Pharmaceuticals Miranda v Arizona
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History of Forensic Science
How did Arthur Conan Doyle impact crime scene investigation?
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History of Forensic Science
What impacted the development of crime labs? What are the basic units and what do they analyze?
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Important “Firsts” Archimedes Paul Revere Bertillon Galton
Entomology and China Sand and Japan Hans Gross The Body Farm Alec Jefferies
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Crime Scene Investigation
List the members of the C.S.I. team.
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Crime Scene Investigation
Which member is responsible for the body? ADAPT? creating the crime scene sketch? starting the Chain of Custody? testifying in court?
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Crime Scene Investigation
Describe how to package the following types of evidence. hairs fibers dried blood wet blood
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Crime Scene Investigation
Define class and individualized evidence. Determine the category for: hair hair with a follicle tag DNA blood dirt fingerprints fibers
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Crime Scene Investigation
Why are reference samples collected? T or F Hairs and fibers are always collected. How do evidence technicians assure that samples are not contaminated?
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Crime Scene Investigation
What are the requirements for an expert witness? What are the guidelines for eyewitness testimony?
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What is missing?
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Crime Scene Investigation
What is the purpose of a crime scene sketch? Why does a sketch artist create both a rough draft and a final sketch?
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Crime Scene Investigation
What is the meaning of modus operandi? Define means, motive and opportunity. Of the three listed above, which does not have to be proven in court?
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Body as Evidence Define Livor Mortis, Rigor Mortis and Algor Mortis.
Which can indicate that a body has been moved? What location will delay Rigor Mortis? Which factors affect Algor Mortis? Rigor Mortis?
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Body as Evidence What is the time frame for Algor Mortis Livor Mortis
Rigor Mortis
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Body as Evidence Explain the difference between a coroner and a medical examiner. What is the purpose of an autopsy? Why does the M.E. conduct an external examination, take x-rays, draw blood?
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Body as Evidence Define cause, manner and mechanism of death. What is the cause of death for the victims of 9-11 Hindenburg Edmond Fitzgerald Chicago fire
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Decomposition List and define the stages of decay.
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Decomposition What is the first insect to the site of a decomposing body? How quickly does this insect arrive? What is the order in which the rest of the predators/parasites arrive? What factors affect the rate of maggot development?
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Decomposition
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Decomposition
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Decomposition
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Decomposition Why would a Medical Examiner grind up maggots in a blender?
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Soil and Sand Analysis What is the first step in soil/sand analysis?
Why is soil valuable evidence?
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Soil and Sand Evidence What factors determine the composition of soil/sand? What does the color indicate? What is a soil profile?
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Soil and Sand Evidence
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Soil and Sand as Evidence
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Hair and Fiber Evidence
Where are the following hair characteristics located scales medulla pigment melanin root follicle
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Hair and Fiber Evidence
Determine the types of medulla in the picture.
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Hair and Fiber Evidence
Determine the patterns in the picture
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Hair and Fiber Evidence
A suspect hair has a medullary index of .80. Is the hair most likely human or non-human? Justify your answer.
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Hair and Fiber Evidence
Name and define the three stages of hair growth.
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Hair and Fiber Evidence
What is the difference between a fiber and fabric? What are the three most common weave patterns?
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Hair and Fiber Evidence
Which fiber is the warp? Weft?
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Hair and Fiber Evidence
What are the two categories of fibers? Name the most common example for each category.
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Hair and Fiber Evidence
What is the difference between regenerated and synthetic? What was the first regenerated fiber? What was the first synthetic fiber?
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Hair and Fiber Evidence
Why would an evidence technician decide not to collect certain hairs and fibers?
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Bones as Evidence What determinations may be made from a recovered skeleton? Which of those determinations is becoming more difficult and why?
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Bones as Evidence What characteristic of a bone would aid in the determination of Age Gender Race Height
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Bones as Evidence Explain how forces impact a skeleton.
Distinguish between force and trauma.
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Bones as Evidence Which bones of humans and animals are similar?
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WHO AM I? I was exhumed and then identified by my false teeth
Paul Revere performed the identification
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WHO AM I? General Warren
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WHO AM I? I will be called to the crime scene to process and collect the dead body
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WHO AM I? The Medical Examiner
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WHO ARE WE? We are called to consult when a skeletonized body is found
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WHO ARE WE? Anthropologist and Odontologist
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WHO AM I? I am consulted when a body is in an advanced stage of decomposition
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WHO AM I? Entomologist
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WHO AM I? I respond to the 911 call and once on the scene I assess, detain, arrest, protect and take notes.
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WHO AM I? First Officer on the Scene
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WHO AM I? I interview witnesses, verify statements, arrest suspects and testify in court
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WHO AM I? Lead Detective
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WHAT AM I? I am the documentation that records every person that has possessed or analyzed a piece of evidence.
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WHAT AM I? Chain of Custody
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WHICH CATEGORY ? DNA
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WHICH CATEGORY ? Individual
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WHICH CATEGORY ? Blood Type
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WHICH CATEGORY ? Class
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WHICH CATEGORY ? Hair
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WHICH CATEGORY ? Class
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WHICH CATEGORY ? Hair with a follicle tag attached
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WHICH CATEGORY ? Individual
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WHICH CATEGORY ? Broken Glass
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WHICH CATEGORY ? Class
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WHAT AM I MISSING? I am an evidence label. I include the following information: Name of Evidence Technician Date Description and Location of Evidence
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WHAT AM I MISSING? Time (may sure to include am or pm)
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WHAT AM I MISSING? I am the final crime scene sketch. I include the following: Name Date and Time Address Scale Legend/Key
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WHAT AM I MISSING? Compass
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WHAT AM I MISSING? I am a photograph from the crime scene. I include a number marker.
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WHAT AM I MISSING? Ruler
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WHAT DO I MEAN? Autopsy Forensic Anthropometry Exchange Principle
Entomology Odontology
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WHAT IS MY PURPOSE? Firearms Unit Toxicology Unit
Questioned Document Unit Photography Unit Physical Science Unit Latent Fingerprint Unit Biology Unit
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