Review Questions

1. What are the three types of fingerprints found in the human population? How often does each occur?

2. What is a medulla? What do forensic scientists use this for?

3. What is a precipitation test? What is it used for?

4. What makes fingerprints individual? How do scientists match a fingerprint to a specific person?

5. How are fingerprints discovered at crime scenes?

Critical Thinking Questions

1. Of the three types of physical evidence discussed in this unit, which one do you think you would be most interested in working with in an investigation? Why?

2. What do you think would be the most challenging aspect of collecting and analyzing hair samples? Why?

3. Why do you think forensic scientists study bloodstain patterns? What can be learned from them?

4. Out of the types of evidence discussed in this unit, which one do you think is the most important piece of evidence? Why?

5. Why was the bite mark evidence so important in the Buddy case? If the case happened today, do you think investigators would have more information to work with?

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