Forensic Simulation Activity: Establishing Time of Death
Purpose
Students will use critical thinking and forensic reasoning to estimate the time of death and identify key postmortem indicators from a simulated corpse description generated by ChatGPT.
Instructions
1. Open ChatGPT.
2. Enter the following prompt exactly as written below:
You are a corpse simulation. I am a forensic investigator.
Please respond only to the questions I ask about the body. Do not give me information until I ask for it.
I will ask questions about body temperature, rigor mortis, postmortem lividity, decomposition, and signs of water involvement to estimate time and cause of death. Respond as a medical examiner at the scene would.
Begin with the body I found in the woods near a creek. Wait for my first question.
3. Review ChatGPTs generated case. Read through the description carefully. Take notes on all physical and environmental clues related to the time of death.
4. Analyze the Evidence:
Estimate time since death (in hours)
Explain how each indicator (rigor mortis, body temperature, lividity, decomposition, etc.) supports your estimate
Identify possible cause and manner of death if clues allow
5. Write a Brief Investigative Summary (12 pages). Your report should include:
Case Overview: Summary of ChatGPTs simulated scene
Forensic Findings: Description of postmortem indicators
Estimated Time of Death: Based on your analysis
Reasoning: Explain your logic step-by-step
Conclusion: Likely cause/manner of death
6. Submit your report with a screenshot or a copy of the ChatGPT simulation you analyzed.
Submission Instructions
- Complete voiceprint activity
- Format your document as follows:
- Double-spaced
- 12-point Times New Roman font
- inch margins
- Submit your completed document through D2L by the assigned due date.
**** Key Note**** from professor
Hi,
Forensic Simulation Activity
- For this activity, please use the prompt that I have provided.
- You will need to review the book on determining Time of Death (TOD).
- Please do not ask ChatGPT for the time of death. Ask questions you need to determine TOD.
- I will need you to provide your conversation with ChatGPT, starting from the prompt. I will review what questions you asked to help you determine TOD. If you do not ask questions about rigor mortis, lividity, etc. (pg 306 – 312), I will deduct points from the assignments.
- After asking the necessary questions, please provide a summary in your own words.
- Again, in your submission, please provide:
- Chat log with ChatGPT
- Investigative summary
If you have any questions, please let me know.
David
Attach will be the Textbook for this class
Attached Files (PDF/DOCX): Criminal Investigation 12thEdition PDF ebook.pdf
Note: Content extraction from these files is restricted, please review them manually.

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