Flow chart of tests
| Test for hair | |
|---|---|
| Must involve microscope | 5 |
| Must show comparison between animal and human | 5 |
| Test for blood | |
| Involve ABO antisera | 5 |
| Detail where clumping occurs in each type | 5 |
| Test for DNA | |
| Use gel electrophoresis | 5 |
| Comparison of bands from different sources | 5 |
| Test for ink | |
| Use chromatography | 5 |
| Location of bands at same site mean same source | 5 |
| Total | 40 |
Experimental technique
| Make dry mount directly | 5 |
| Set up chromatogram | 5 |
| Load gel properly and follow kit instructions | 5 |
| Mix blood and antiserum without contamination | 5 |
| Group works well, divides tasks, stays on task, cleans up | 10 |
| Total | 30 |
|---|
Conclusion paper
| Correctly identifies who committed crime and why | 10 |
| Gives evidence from lab work to support conclusion | 10 |
| Logically outlines events of evening | 10 |
| Total | 30 |
|---|
RESOURCES
Adkins, Sgt. Tom. Criminal Investigations Department, Hickory Police Department
Foster, Andrea. "Murder in the Science Lab?", Carolina Tips, January, 1996.
Tesar, Jenny. Scientific Crime Investigation. New York: Franklin Watts, 1991.
Walker, Glenn. Evidence Technician, Hickory Police Department
Zupo, Sharon and Deanie Harvey-Anderson. "A Case of Murder." Presentation at
NSTA convention, Portland, OR, October, 1994.