## Step 1 - Speaking

Speaking (and Reading)
What do you know about forensic evidence? With your classmate, make a list of the following:

- Different types of forensic evidence
- How easy/difficult it is to collect
- What school subjects would be useful to be a forensic scientist.

Would you like to be a forensic scientist? Why? Why not?
Read the information and complete the chart.

Which school subject helps you: | Subject
identify DNA? |
work out where the bullet came from? |
work out where the body was buried? |
identify drugs? |

Read about trace evidence and hair. Answer the questions.

Find out about Forensics

1. Think of situations where different kinds of hair - not just human - might be good clues.
2. How might a medical examiner conclude that the person died before a fire?
3. Why is fingerprinting not always possible to identify a suspect?
4. Read about fingerprints. Take your own fingerprints. What type have you got?
5. Read about chromatography. How reliable do you think it is? What are the disadvantages?