390 Forensic Anthropology: What We Learn from Bones Photo by Susan Van Etten Background: 3. The drugs were confiscated and sealed in a plastic vial and wrapped in evidence envelopes. 4. 2. In what year did Nicholas II abdicate his throne? CALCULATING TRAJECTORY Trajectory can be calculated by finding two reference points along the flight path of the projectile. Remains found in the factory appeared to be fragments of his wife’s skull, finger, and arm. These four types are summarized in Figures 12-6 and 12-7. Forensic Examination of Fibres, 2nd ed. Avoid using sentences. However, all plant fibers share the common polymer cellulose. Present your findings in a written report that will be submitted to the jury before your testimony at the trial. Often several witnesses give different accounts of the crime. Background: The density of glass fragments found at a crime scene can be compared to the glass fragments found on suspects. Explain. Explain your answer. A gun was found on Marquis, but he had already tampered with its barrel, preventing a ballistic match. Identification of the body was based primarily on one of the recovered tooth caps. Fingerprints consist of several main ridge patterns, including whorls, loops, and arches. 20. The official death certificate lists the cause and sometimes the mechanism of death. When real money is marked with the counterfeit-detecting pen, the pen will leave a pale yellow color on the bill, which fades within a very short time. 12. The film begins as a fairly well-worn tale of millennial angst, with a pair of Sydney-sider acquaintances, Ray (Fergus Wilson) and Alice (Emma Diaz), agreeing to camp together on their way back from a trip to Brisbane. for ✔ Describe ho w crime-scene ev idence is proces obtain DNA. 14. Refer to the diagram of adult teeth in your text and your dental impressions. 3. Magnuson was sentenced to life imprisonment. Time Required to Complete Activity: Part Part Part Part Part A: Pre-test (5 minutes) B: $1 examination (30 minutes) C: Hidden feature exploration (30 minutes) D: $10 bill analysis (30 minutes) E: Internet tutorial (30 minutes) Materials: (students should work in pairs) stereo or compound microscopes or hand lens counterfeit-detecting pen (to share with other groups) an assortment of various denominations of U.S. currency ($1, $10, $20, $50) to share computers (optional) digital camera (optional) Safety Precautions: None Handwriting Analysis, Forgery, and Counterfeiting 301 Procedure: 1. Is the ratio of small letters to capital letters consistent? The creation of fingerprints happens in the basal layer, a special layer within the epidermis where new skin cells are produced. She has published a book describing her forensic palynology murder and rape cases. A forensic chemist can perform chemical tests for the presence of various substances. Recorder: Person who will write down each of the discoveries as they are noted. This was determined by using several different probes on the DNA fingerprint. 420 Glass Evidence Data Table: Density of Glass Samples Sample Combined Mass of Two Fragments (mass) Combined Volume of Two Fragments (milliliters) Density (M/V) (grams/ml) Suspect 1 Suspect 2 Suspect 3 Suspect 4 Crime Scene Questions: 1. Place the slides on a clean, white sheet of paper. This skill puts him in high demand by law-enforcement groups around the world, such as the Federal Bureau of Investigation (FBI), Central Intelligence Agency (CIA), Scotland Yard, and Israeli Intelligence. Wheelbase = 2689 mm Turning diameter = 10,739 mm Tire size = 195 Vehicle was probably a ________________________________ Justify your answer. The earliest performed blood transfusions sometimes helped the recipient of the blood, but many times the transfusion killed the person. ✔ Describe ho w to make foot, shoe, and tire im ✔ Use track wi pressions. Suggest other liquids to test for refractive index that you think might give you a higher refractive index than any of the liquids selected in this experiment. (Be specific, which words?) Therefore, when viewing a DNA fingerprint, we identify specific DNA sequences by using radioactive probes (Figures 7-5 and 7-6). Experts cannot agree on a single definition for death. b. 66 The Study of Hair Procedure: Part 1: Observation of Your Own Hair 1. This is known as a submersion test for refractive index. 2. 4. Using a clean, flat toothpick, transfer a pinhead-sized amount of the white powder from Evidence Envelope 1 to your vial labeled Suspect 1. 10. The red blood cells begin to break down, spilling their contents. How was DNA science used to prove the identity of skeletal remains from the Yekaterinburg? In an immature skull, areas of softer tissue, such as the soft spot of the baby’s skull (fontanel), gradually become ossified (harden). Hammers can create indentation marks. The first-responding officer still at the crime scene asks what led her to that conclusion. Blood-typing techniques, which were first developed to make transfusions safe, are now used in forensics. 14. Forensic Pathology in Criminal Cases, 2nd ed. The use of pollen and spore evidence in legal investigations is relatively new. 50 The Study of Hair Investigators recognized the importance of analysis of hair as trace evidence in criminal investigations in the late 1800s. Set your protractor at the zero mark at the end of the clipboard in contact with the floor. • The adjacent side to an angle is the side closest to the angle that is not the hypotenuse. Types of casting material. It is made up mostly of sand and silt. Unique letter combinations is another characteristic that could be added to this list of the 12 exemplars used for handwriting analysis. To dispose of the body, the suspect(s) tossed the body from the car into a ditch. Clostridium tetani is the bacteria that produce tetanus, a potentially deadly nervous system disease (Figure 9-5). The most sophisticated printers cannot reproduce this microscopic detail, because of the built-in security features of money (Figures 10-11 and 10-12). 4. Hofmann was tried and convicted of forgery and murder and is currently serving his life sentence. GETTING STARTED Forensic Science: Fundamentals and Investigations explains the science used in forensic science techniques. Human hair has which type(s) of cuticle? A beating with a pipe will produce blood cast off with a lower-velocity pattern. 12. http://safety-identification-products.com/fingerprint-information.html “High Resolution Scans,” http://csdl2.computer.org/persagen/DLAbsToc.jsp?resourcePath=/dl/ trans/tp/&toc=comp/trans/tp/2007/01/i1toc.xml&DOI=10.1109/TPAMI.2007.17 “The Wrong Man Arrested for Madrid Bombings,” http://www.msnbc.msn.com/id/5092810/site/ newsweek. 6. describes in his book, The Art of the Steal, how a visitor He came up with the idea from Argentina was issued to print his account numa parking ticket on a rental ber in magnetic ink on car in Florida. White blood cells recognize a substance as foreign and try to destroy it. d. How did they identify the individual soldier? Turn it so that the blank side is up. Blood-spatter evidence can also be used to help recreate a crime scene to validate the information provided by a witness or suspect. 6. Nicks, ridge marks, and blemishes may develop on the striking surface of the tool. a. Examples of patent (left), latent, (center), and plastic (right) impressions. Did a doctor prescribe the drugs for medication? Epiphysis Forensic Anthropology: What We Learn from Bones 369 CHAPTER 1 Figure 13-19. These fractures start at the point of impact and radiate, or move outward, from there. How close can you place the suspect to the scene of the crime—in the house, or close to a victim’s body? And the film aligns us with a kind of dualistic worldview that contrasts the fallen, worldly world and the higher sphere represented, if not by God, then by art. Soil Examination 359 CHAPTER CHAPTER 13 1 Forensic Anthropology: What We Learn from Bones 2 3 4 5 6 7 BURN BARREL EVIDENCE LINKS SUSPECT TO MURDER 9 10 11 12 13 14 15 16 17 Four days passed before 25-year-old Teresa Halbach was reported missing. You want to demonstrate that the evidence glass found embedded in a blanket came from a broken headlight of a vehicle suspected to be the vehicle involved in a hit-and-run accident. 11. The light will slow down and bend toward the normal. Sand from differing locations may be unique in appearance. In 1981, in the Green Haven Correctional Facility, a female corrections officer named Donna Payant disappeared. But the burglar was hungry, so he had a bite to eat before leaving. 3. Review the video Remains in Yekaterinburg. However, the evidence Figure 14-8. • not durable • tends to snag and break during wear • shiny surface • high light reflectance • little friction with other garments Twill Weft is woven over three or more warps and then under one. Follow the same directions as in Part B, except: 1. Simulation 179 Activity 7-3 Ward’s DNA Fingerprinting Simulation 185 Activity 7-4 Who Are the Parents? A pathologist The officer did not think to open the basement did not examine the body until more than 18 door, and so did not discover the murdered body hours after the crime took place. Pollen present on the victim that matches pollen from a suspect provides strong evidence that the suspect is guilty. e. Swirl the toothpick with the pollen in the drop of water and apply a coverslip. • Measure the diameter of the field of view to the nearest tenth of a millimeter. Figure 12-2. How is pollen transferred in marijuana plants? If there is a solid rock layer underneath all of the other horizons, it is called the R horizon. 7. Bacteria and other microorganisms also help decompose a human body, just as they decompose plants and animals in the environment. A drop of blood that has a circular shape (equal width and length) indicates that the blood fell straight down. a) kinky with dense, unevenly distributed pigment b) straight with evenly distributed granules c) round cross section with a large diameter d) coarse with a thick cuticle and a continuous medulla 14. How would you describe them? A modern forensics laboratory. An introductory paragraph addressing the following questions: a. The presence or absence of these proteins is inherited from our parents. On the other hand, the fact that babies of a certain age seem compelled to eat dirt has been theorized to be an adaptation allowing the immature immune system to encounter pathogens in the soil. Meanwhile, Test Pattern flashes back as Renesha reflects on moments from their relationship in a new and disturbing light. Be sure to include on your graph the following: • Appropriate title for graph • Set up an appropriate scale on each axis • Label units (cm) on each of the x and y axes • Circle each data point Data Table 3: Comparison of Humerus to Actual Height Name 1 2 3 Length of Humerus (cm) Actual Height (cm) 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Forensic Anthropology: What We Learn from Bones xx How to Use This Book 403 Technology The Instructor’s Resource CD-ROM (IRCD) contains tests, PowerPoint presentations, forms for activities, lesson plans, activity teacher notes, and much more! For example, silk threads found in the hair of a 2,700-yearold corpse buried in Irene Good. He began his life of crime as a consumer fraud, and prevent crime. In addition to the Tsar’s family, who else was executed? Obtain the radioactive probes from your instructor (envelope 6). Casts and Impressions 433 CHAPTER personalize shoes with our own characteristic way of walking and usage. 2. Explain why glass is considered to be a form of class evidence. Bodies decompose most quickly in air and slower in water or if buried. Figure 5-3. a) What is a Becke line? ❑ I called in backup to help the injured. Position a clean, dry, 10 mL graduated cylinder to receive overflow water. • Pollen is examined microscopically and compared with reference collections to identify, if possible, the exact species that produced it. Convert the percentages to decimals. Double click on the Hair sample video. Repeat steps 1 through 7 for location 2 evidence plastic bag. Triangulation of stationary objects should be included in the photos as reference points. That act did not sit well with his friends, and in 1933 he was gunned down by unknown assailants. The color and structure of the hair matched that of Eva Shoen’s hair. Whether observing at a crime scene or examining collected evidence in the laboratory, the forensic examiner must be able to identify the evidence, record it, and determine its significance. Research these military dog tags and describe: a. Re-ink the fingers of the right hand and press them gently into the box labeled “first four” for the right hand. Back 11. Scenario: Because of a recent incident involving the sale of the illegal drug Bertinol to junior high students, a “drug dog” was used to detect drugs in the lockers of four suspects. Label the cards with your initials on the top-right corner, along with the angle of impact that you will be using. 298 Handwriting Analysis, Forgery, and Counterfeiting • Explain how the ransom note writer’s handwriting matched or didn’t match the trait you are describing. a.

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