Name Period Date Forensic Disciplines: Crime Scene and Evidence Processing Directions

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Forensic Disciplines: Crime Scene and Evidence Processing

Directions: Complete by typing your answers into a document using 11pt font print, Times New Roman. You will find assignment on my website. Download the document from my website onto your computer (Microsoft Word ONLY for hyperlinks to work and for it to submit correctly), type answers directly into document, SAVE, then SUBMIT ONLINE (NO paper copies turned in).

Click on the hyperlinked phrases to link to websites!

Important: This document MUST be opened in Microsoft Word in order for the hyperlinks to work. If it doesn’t open in Microsoft Word, close the document, “right click” on the document icon and choose to “Open With  Microsoft Word.

Introduction: Throughout history, detectives have searched for the perfect method of catching law-breakers, but criminals seemingly have the advantage of stealth. A crime can occur in the middle of the night or in an isolated area where no witnesses are present. It's the evidence left behind that is the true witness to their crime. Forensic scientists convert these clues, using the latest technology into evidence admissible in a court of law.   Forensics and Human Biology have a lot in common.  Much of the evidence that is collected is biological—for example:  body fluids and hair.  Other evidence, such as ballistics and trace fibers, is compared using a tool commonly used by biologists:  the microscope.  As you build your knowledge of Forensics, think about other biological connections that can be found. 

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Forensic Websites: 
Be as specific as possible, using correct terminology and complete sentences in your paragraph answers.  USE YOUR OWN WORDS, DO NOT PLAGIARIZE. 

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1.      Forensic Anthropology:  Name six questions that can be answered by bones.

2.      Ballistics (click on Ballistics in the left column):  How are striations (internal ballistics) created? 

3. How can someone’s clothing show that they have fired a gun? Info on Gunshot Residue

4.      Entomology:  What types of insects invade a decaying body? 

5. How can a forensic entomologist tell the time of death?

6.      Hairs and Fibers:  What are five things that can be determined by a single hair

7.      Fingerprints:  Who was the first person to classify fingerprints?

8. What are the seven basic fingerprint patterns?

9. Why is superglue sometimes used to find prints?

10. What four components are needed to superglue fume fingerprints?

11.   Forensic Odontology: What is done in bite-mark analysis?

12.      Pathology:  Name ten things done in an autopsy.

13. Describe the six stages of decay that a body undergoes after death.

14.  DNA Fingerprinting:  Summarize the steps used in DNA Fingerprinting.  In the near future, we will compare these steps with the Fingerprinting Lab we’ll do in class.  (Also view this simulation--you'll need shockwave).

Part 2:  A Landmark Case

The OJ Simpson trial was the “Crime of the Century” and was watched by millions of people around the world. (Note from Mrs, Crumpacker: I can still remember where I was when O.J.’s verdict was read: in high school art class, my sophomore year of high school.)

His acquittal sparked debates about the validity of DNA testing.

A. Using the link above, give an argument that DNA evidence is not good evidence in court.

B. What do you think about the controversy over the validity of DNA testing?  Respond thoughtfully and explain why you feel that way.

 Part 3:  A Recent Case

Read the news story, DNA Dragnet:  Two hundred men were asked to voluntarily give blood samples to prove their innocence.

1. Think about “mandatory” sampling.  Give your opinion about the following:

A.     Do the police have the right to ask you for a blood sample to prove your innocence? Why or why not?

B.      If someone was asked and refused, will the police suspect them of the crime?  Why or why not?

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