Case Scenario:
Field tests can be used at a crime scene rather than sending all suspected evidence to the lab. If the tests show positive results, they are then sent to the lab.
Write 400 to 600 words that answer the following questions with your thoughts, ideas, and comments. Be substantive and clear, and use examples to reinforce your ideas:
- What types of presumptive tests can be used at a crime scene? Explain.
- Which of these tests do you think are most prone to error? Why?
- Which of these tests do you feel is the most important to crime scene investigators? Why?
- Why do you think an investigator would field test something when it can be collected and sent to the lab immediately? Explain.
- Can an investigator field test all evidence? Why or why not? Explain.