Give an example of some porous items that may be found at a crime scene and identify at least four different approaches for processing those items. Discuss where you might expect to find each of these items at a crime scene and explain how that might affect your approach to processing the evidence. Use at least two credible sources beyond the material, yet with minimal quotations, to reference your work. 100-150 words.

Anytime chemicals are being used, there is a health risk. Discuss the safety measures that should be used when applying powders, chemicals, and fuming techniques to evidence.