due 500pm tom 2231832 2

Students will be expected to post their first initial discussion board posting by Wednesday of each week. Discussion posts will be graded and late submissions will be assigned a late penalty in accordance with the late penalty policy found in the syllabus. NOTE: All submission posting times are based on midnight Central Time.

Students are expected to post their responses to peers by Sunday. NOTE: All submission posting times are based on midnight Central Time.

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.

Primary Task Response: Within the Discussion Board area, write 400–600 words that respond to the following questions with your thoughts, ideas, and comments. This will be the foundation for future discussions by your classmates. 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.