Page 10 - Shot In The Dark Bullet Striations
P. 10
Post-Lab and
Calculations
Solutions
1. What similarities did you find between 5. What was the most difficult aspect of
the two bullets you examined under your comparing the striations?
microscope or magnifying glass? Answers will vary.
Answers will vary.
6. According to your research, what are land and
2. What differences did you find between groove impressions?
the two bullets you examined under your The negative impressions on the bearing
microscope or magnifying glass? surface of a bullet caused by the rifling in the
Answers will vary. barrel from which it was fired.
3. What conclusion did your group reach? Were 7. When looking at the evidence photographs,
the bullets fired from the same gun? what conclusion did your group come to? Did
No, the same gun did not fire the bullets the same gun fire the bullets? What lead you
to this conclusion?
Answers will vary.
4. What was the easiest way to compare the bullets?
Answers will vary.
10 THE MYSTERY OF LYLE AND LOUISE
