Each answer per question must be 200 words or more, you must cite/reference your sources

Part A: What is a Trace Metal Detection Test? Explain why one is conducted.

Part B: What is a PCR analysis? What does it refer to? What would happen without the PCR technique?

Part C: Bloodstain evidence has two primary categories of examination important to the crime scene investigator, what are they? Explain the importance of both.

Part D: Explain the transportation of a firearm and ammunition to a laboratory.

Part E: How is saliva produced, what does it contain, what is its contribution to DNA and when is it saliva DNA encountered?

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