Materials Needed
- Firearms Identification and GSR Analysis Worksheet
- Computer
- Internet connection
Rookie Training (15 pts)
- Type the following web address into your internet browser: https://webadventures.games/archive/step-1.htmlLinks to an external site.
- Download the correct Standalone Flash Player Content Debugger for your operating system.
- Go to step 2 and install the Standalone Flash Player following the instructions for your operating system.
- Go to step 3 and download “CSI: The Experience / Case One: Rookie Training.”
- Go to step 4 and follow the instructions to extract and run the game.
- Play through the section marked “Firearms and Toolmarks.” Start by clicking through the training demos on the bottom right of the screen when Willows asks you what you want to do.
- While playing through the three training demos, be sure to record any definitions.
- These notes may also be useful to you throughout this semester, so be sure to take good notes.
- When you finish the demos, go to the firing range and take the quiz. Please include a screenshot of your final score and include it in the post-lab.
- After the firing range quiz, analyze the firearms evidence provided in the case.
- Answer all the questions in the worksheet, including screenshots of results when required.
- (Optional) Please feel free to continue to use the website as a learning experience by completing other sections.
Muzzle-to-Target Distance Estimation (20 pts)
Use the chart below to determine the approximate muzzle-to-target distance of the images in the worksheet.[Image unavailable: Muzzle Distance Chart.png]
Detection of Primer Residue (15 pts)
The pieces of fabric pictured in the worksheet have been sprayed with Griess Reagent. Using the information from the video lecture, determine if the pieces of fabric are positive or negative for lead-based primer residue.